@conference {989, title = {The HIP Ontology: a formal framework to support disaster risk reduction and management}, booktitle = {JOWO 2024 at FOIS 2024}, year = {2024}, author = {Shirly Stephen and Mark Schildhauer and Krzysztof Janowicz and Kitty Currier and Pascal Hitzler and Cogan Shimizu and Colby K. Fisher and Dean Rehberger} } @article {913, title = {Bridging RDF and Property Graphs: Linking KnowWhereGraph and SPOKE}, year = {2023}, author = {Shirly Stephen and Cogan Shimizu and Pascal Hitzler and Karthik Soman and Peter W Rose and John H Morris and Sergio E Baranzini and Krzysztof Janowicz and Antrea Christou and Abhilekha Dalal and Kitty Currier and Mark Schildhauer} } @inbook {955, title = {Fast Forward from Data to Insight: (Geographic) Knowledge Graphs and Their Applications. }, booktitle = {Handbook of Geospatial Artificial Intelligence,CRC Press}, year = {2023}, pages = {411-426}, edition = {In: Song Gao, Yinjie Hu, Wenwen Li (eds.)}, author = {Krzysztof Janowicz and Kitty Currier and Cogan Shimizu and Rui Zhu and Meilin Shi and Colby K. Fisher and Dean Rehberger and Pascal Hitzler and Zilong Liu and Shirly Stephen} } @proceedings {956, title = {A Formal Framework for Disaster Risk Properties}, journal = {Proceedings of the Joint Ontology Workshops 2023 Episode IX: The Quebec Summer of Ontology co-located with the 13th International Conference on Formal Ontology in Information Systems (FOIS 2023)}, year = {2023}, publisher = {CEUR Workshop Proceedings 3637,CEUR-WS.org 2023.}, address = {Sherbrooke, Quebec, Canada}, author = {Shirly Stephen and Mark Schildhauer and Kitty Currier and Pascal Hitzler and Cogan Shimizu and Krzysztof Janowicz and Dean Rehberger} } @article {906, title = {The KnowWhereGraph Ontology}, year = {2023}, author = {Cogan Shimizu and Shirly Stephen and Kitty Currier and Pascal Hitzler and Rui Zhu and Krzysztof Janowicz and Mark Schildhauer and Mohammad Saeid Mahdavinejad and Abhilekha Dalal and Adrita Barua and Ling Cai and Gengchen Mai and Zhangyu Wang and Yuanyuan Tian and Sanaz Saki Norouzi and Zilong Liu and Meilin Shi and Colby K. Fisher} } @conference {916, title = {The KnowWhereGraph Ontology: A Showcase}, year = {2023}, author = {Cogan Shimizu and Shirly Stephen and Rui Zhu and Kitty Currier and Mark Schildhauer and Dean Rehberger and Pascal Hitzler and Krzysztof Janowicz and Colby K. Fisher and Mohammad Saeid Mahdavinejad and Antrea Christou and Adrita Barua and Abhilekha Dalal and Sanaz Saki Norouzi and Zilong Liu and Meilin Shi and Ling Cai and Gengchen Mai and Zhangyu Wang and Yuanyuan Tian} } @proceedings {958, title = {The KnowWhereGraph Ontology: A Showcase}, journal = {Proceedings of the Joint Ontology Workshops 2023 Episode IX: The Quebec Summer of Ontology co-located with the 13th International Conference on Formal Ontology in Information Systems (FOIS 2023),}, year = {2023}, month = {2023}, publisher = {CEUR Workshop Proceedings 3637, CEUR-WS.org 2023.}, address = {Sherbrooke, Quebec, Canada}, author = {Cogan Shimizu and Shirly Stephen and Rui Zhu and Kitty Currier and Mark Schildhauer and Dean Rehberger and Krzysztof Janowicz and Pascal Hitzler and Colby Fisher and Mohammad Saeid Mahdavinejad and Antrea Christou and Adrita Barua and Abhilehka Dalal and Sanaz Saki Norouzi and Yuanyuan Tian and Ling Cai and Gengchen Mai and Zhangyu Wang and Zilong Liu and Meilin Shi} } @conference {914, title = {KnowWhereGraph-Lite: A Perspective of the KnowWhereGraph}, booktitle = {KGSWC 2023}, year = {2023}, author = {Cogan Shimizu and Shirly Stephen and Antrea Christou and Kitty Currier and Mohammad Saeid Mahdavinejad and Sanaz Saki Norouzi and Abhilekha Dalal and Adrita Barua and Colby K. Fisher and Anthony D{\textquoteright}Onofrio and Thomas Thelen and Krzysztof Janowicz and Dean Rehberger and Mark Schildhauer and Pascal Hitzler} } @article {915, title = {Openness and Transparency in Academic Publishing: A Decade of Data from the Semantic Web Journal}, year = {2023}, author = {Pascal Hitzler and Krzysztof Janowicz and Cogan Shimizu and Abhilekha Dalal and Aaron Eberhart and Andrew Eells and Sanaz Saki Norouzi} } @article {894, title = {Diverse data! Diverse schemata?}, journal = {Semantic Web}, volume = {13}, year = {2022}, pages = {1{\textendash}3}, doi = {10.3233/SW-210453}, url = {https://doi.org/10.3233/SW-210453}, author = {Krzysztof Janowicz and Cogan Shimizu and Pascal Hitzler and Gengchen Mai and Shirly Stephen and Rui Zhu and Ling Cai and Lu Zhou and Mark Schildhauer and Zilong Liu and Zhangyu Wang and Meilin Shi} } @article {952, title = {Group E: Connecting investments in nutrition security and climate}, year = {2022}, month = {09/2022}, pages = {41-47}, author = {Pascal Hitzler and Sudip Bhattacharjee and John MacMullen and Shashi Shekhar and Ann Stapleton and Ilya Zaslavsky and Krzysztof Janowicz and Douglas Rao and Matthew Lange and Sharat Israni and Ellie Young} } @article {977, title = {Know, Know Where, Knowwheregraph: {A} Densely Connected, Cross-Domain Knowledge Graph and Geo-Enrichment Service Stack for Applications in Environmental Intelligence}, journal = {AI Mag.}, volume = {43}, year = {2022}, pages = {30{\textendash}39}, doi = {10.1609/AIMAG.V43I1.19120}, url = {https://doi.org/10.1609/aimag.v43i1.19120}, author = {Krzysztof Janowicz and Pascal Hitzler and Wenwen Li and Dean Rehberger and Mark Schildhauer and Rui Zhu and Cogan Shimizu and Colby K. Fisher and Ling Cai and Gengchen Mai and Joseph Zalewski and Lu Zhou and Shirly Stephen and Seila Gonzalez Estrecha and Bryce D. Mecum and Anna Lopez-Carr and Andrew Schroeder and Dave Smith and Dawn J. Wright and Sizhe Wang and Yuanyuan Tian and Zilong Liu and Meilin Shi and Anthony D{\textquoteright}Onofrio and Zhining Gu and Kitty Currier} } @article {887, title = {Know, Know Where, KnowWhereGraph: A Densely Connected, Cross-Domain Knowledge Graph and Geo-Enrichment Service Stack for Applications in Environmental Intelligence}, journal = {AI Magazine}, year = {2022}, author = {Krzysztof Janowicz and Pascal Hitzler and Wenwen Li and Dean Rehberger and Mark Schildhauer and Rui Zhu and Cogan Shimizu and Colby K. Fisher and Ling Cai and Gengchen Mai and Joseph Zalewski and Lu Zhou and Shirly Stephen and Seila Gonzalez and Bryce Mecum and Anna Lopez Carr and Andrew Schroeder and Dave Smith and Dawn Wright and Sizhe Wang and Yuanyuan Tian and Zilong Liu and Meilin Shi and Anthony D{\textquoteright}Onofrio and Zhining Gu} } @conference {898, title = {LD Connect: A Linked Data Portal for IOS Press Scientometrics}, booktitle = {The Semantic Web - 19th International Conference, ESWC 2022, Hersonissos, Crete, Greece, May 29 - June 2, 2022}, year = {2022}, month = {2022}, publisher = {Springer}, organization = {Springer}, author = {Zilong Liu and Meilin Shi and Krzysztof Janowicz and Gengchen Mai and Rui Zhu and Stephanie Delbeque and Pascal Hitzler} } @article {950, title = {Open Knowledge Network Roadmap: Powering The Next Data Revolution}, year = {2022}, author = {Chaitan Baru and Lara Campbell and Wo Chang and Tess DeBlank-Knowles and Jemin George and Martin Halbert and Kat Albrecht and Luis Amaral and Nariman Ammar and Todd Bacastow and Sergio Baranzini and Matt Bishop and Michael Cafarella and Silviu Cucerzan and Ying Ding and Brian Handspicker and Oktie Hassanzadeh and Pascal Hitzler and Florence Hudson and Sharat Israni and Angela Rizk-Jackson and Esther Jackson and Eric Jahn and Krzysztof Janowicz and Bandana Kar and Sam Klein and Matthew Lange and Ora Lassila and Chengkai Li and Ryan McGranaghan and Murat Omay and Adam Pah and Louiqa Raschid and Glenn Ricart and Emanuel Sallinger and Greg Seaton and Cogan Shimizu and Amanda Stahopoulos and Paul Wormeli and Lilit Yeghiazarian and Ellie Young and Pamela Livingston and Douglas Maughan and Shelby Smith} } @proceedings {961, title = {A Pattern for Representing Scientific Taxonomies}, journal = {Proceedings of the 13th Workshop on Ontology Design and Patterns, WOP2022, at the 21st International Semantic Web Conference, ISWC 2022}, year = {2022}, month = {10/2022}, author = {Shirly Stephen and Cogan Shimizu and Mark Schildhauer and Rui Zhu and Krzysztof Janowicz and Pascal Hitzler} } @article {863, title = {Advancing Agriculture through Semantic Data Management}, journal = {Semantic Web}, volume = {12}, year = {2021}, type = {Editorial}, chapter = {1}, author = {Pascal Hitzler and Krzysztof Janowicz and Ajay Sharda and Cogan Shimizu} } @conference {869, title = {Environmental Observations in Knowledge Graphs}, booktitle = {DaMaLOS 2021 @ ISWC}, year = {2021}, abstract = {

The notion of Linked Open Science rests on the assumption that Linked Data principles contribute to science and scientific data management in several distinct ways (e.g., by adding rich semantics to improve retrieval and reuse of data). This begs the question of the right level of granularity for such semantic enrichment. On the one extreme of the spectrum, one may provide semantic annotations on the level of entire datasets to improve retrieval while leaving the actual data untouched. On the other end, one may semantically describe every single datum, such as a particular observation leading to data that supports reasoning, automated conflation, and so on, while, at the same time, dramatically increasing the size of data, including redundancy. This paper reports on our experience in modeling heterogeneous environmental data using a semantically-enabled observation framework, namely the SOSA ontology and its extensions to handle observation collections. We discuss different means of using these observation collections and compare their pros and cons in terms of data size and ease of querying.\ 

}, author = {Rui Zhu and Shirly Stephen Ambrose and Lu Zhou and Cogan Shimizu and Ling Cai and Gengchen Mai and Krzysztof Janowicz and Pascal Hitzler and Mark Schildhauer} } @article {858, title = {Open Science data and the Semantic Web journal}, journal = {Semantic Web}, volume = {12(3)}, year = {2021}, month = {2021}, type = {Editorial}, chapter = {401-402}, doi = {10.3233/SW-210427}, author = {Pascal Hitzler and Krzysztof Janowicz and Cogan Shimizu and Lu Zhou and Andrew Eells} } @conference {900, title = {A Pattern for Features on a Hierarchical Spatial Grid}, booktitle = {The 10th International Joint Conference on Knowledge Graphs, IJCKG 2021, December 6-8, 2021, Virtual Event, Thailand}, year = {2021}, publisher = {ACM}, organization = {ACM}, author = {Cogan Shimizu and Rui Zhu and Gengchen Mai and Mark Schildhauer and Krzysztof Janowicz and Pascal Hitzler} } @conference {881, title = {A Pattern for Modeling Causal Relations Between Events}, booktitle = {13th Workshop on Ontology Design and Patterns}, year = {2021}, author = {Cogan Shimizu and Rui Zhu and Genchen Mai and Mark Schildhauer and Krzysztof Janowicz and Pascal Hitzler} } @article {864, title = {Semantic Compression with Region Calculi in Nested Hierarchical Grids (Technical Report)}, year = {2021}, abstract = {

We propose the combining of region connection calculi with nested hierarchical grids for representing spatial region data in the context of knowledge graphs, thereby avoiding reliance on vector representations. We present a resulting region calculus, and provide qualitative and formal evidence that this representation can be favorable with large data volumes in the context of knowledge graphs; in particular we study means of efficiently choosing which triples to store to minimize space requirements when data is represented this way, and we provide an algorithm for finding the smallest possible set of triples for this purpose including an asymptotic measure of the size of this set for a special case. We prove that a known constraint calculus is adequate for the reconstruction of all triples describing a region from such a pruned representation, but problematic for reasoning with hierarchical grids in general.

}, keywords = {Hierarchical Grids, Knowledge Graphs, RCC5}, author = {Joseph Zalewski and Pascal Hitzler and Krzysztof Janowicz} } @conference {899, title = {SOSA-SHACL: Shapes Constraint for the Sensor, Observation, Sample, and Actuator Ontology}, booktitle = {The 10th International Joint Conference on Knowledge Graphs, IJCKG 2021, December 6-8, 2021, Virtual Event, Thailand}, year = {2021}, publisher = {ACM}, organization = {ACM}, author = {Rui Zhu and Cogan Shimizu and Shirly Stephen and Lu Zhou and Ling Cai and Gengchen Mai and Krzysztof Janowicz and Mark Schildhauer and Pascal Hitzler} } @article {791, title = {Gold-Level Open Access at the Semantic Web Journal}, journal = {Semantic Web}, volume = {11}, year = {2020}, url = {http://www.semantic-web-journal.net/content/gold-level-open-access-semantic-web-journal}, author = {Krzysztof Janowicz and Pascal Hitzler} } @article {720, title = {A closer look at the Semantic Web journal{\textquoteright}s review process}, year = {2019}, doi = {10.3233/SW-180342}, url = {https://doi.org/10.3233/SW-180342}, author = {Cogan Shimizu and Pascal Hitzler and Krzysztof Janowicz} } @book {796, title = {The Semantic Web. 16th International Conference, ESWC 2019, Portoroz, Slovenia, June 2-6, 2019, Proceedings}, series = {Lecture Notes in Computer Science}, volume = {11503}, year = {2019}, publisher = {Springer}, organization = {Springer}, address = {Heidelberg}, author = {Pascal Hitzler and Miriam Fernandez and Krzysztof Janowicz and Amrapali Zaveri and Alasdair Gray and Vanessa Lopez and Armin Haller and Karl Hammar} } @article {715, title = {The GeoLink Knowledge Graph}, journal = {Big Earth Data}, year = {2018}, author = {Michelle Cheatham and Adila Krisnadhi and Reihaneh Amini and Pascal Hitzler and Krzysztof Janowicz and Adam Shepherd and Tom Narock and Matt Jones and Peng Ji} } @article {691, title = {The GeoLink Knowledge Graph}, journal = {Big Earth Data}, year = {2018}, author = {Michelle Cheatham and Adila Krisnadhi and Reihaneh Amini and Pascal Hitzler and Krzysztof Janowicz and Adam Shepherd and Tom Narock and Matt Jones and Peng Ji} } @article {743, title = {On the Prospects of Blockchain and Distributed Ledger Technologies for Open Science and Academic Publishing}, journal = {Semantic Web}, volume = {9}, year = {2018}, url = {http://www.semantic-web-journal.net/content/prospects-blockchain-and-distributed-ledger-technologies-open-science-and-academic}, author = {Krzysztof Janowicz and Blake Regalia and Pascal Hitzler and Gengchen Mai and Stephanie Delbecque and Maarten Fr{\"o}hlich and Patrick Mertinent and Trevor Lazarus} } @article {394, title = {An Ontology Design Pattern and Its Use Case for Modeling Material Transformation}, journal = {Semantic Web}, volume = {8}, year = {2017}, pages = {731}, chapter = {719}, doi = {10.3233/SW-160231}, author = {Charles Vardeman and Adila Krisnadhi and Michelle Cheatham and Krzysztof Janowicz and Holly Ferguson and Pascal Hitzler and Aimee Buccellato} } @inbook {651, title = {A Spatiotemporal Extent Pattern based on Semantic Trajectories}, booktitle = {Advances in Ontology Design and Patterns}, year = {2017}, publisher = {IOS Press}, organization = {IOS Press}, address = {Amsterdam}, author = {Adila A. Krisnadhi and Pascal Hitzler and Krzysztof Janowicz} } @conference {654, title = {Towards a simple but useful ontology design pattern representation language}, booktitle = {8th Workshop on Ontology Design and Patterns - WOP2017}, year = {2017}, author = {Pascal Hitzler and Aldo Gangemi and Krzysztof Janowicz and Adila A. Krisnadhi and Valentina Presutti} } @inbook {569, title = {Collected Research Questions Concerning Ontology Design Patterns}, booktitle = {Ontology Engineering with Ontology Design Patterns: Foundations and Applications}, year = {2016}, publisher = {IOS Press}, organization = {IOS Press}, address = {Amsterdam}, author = {Karl Hammar and Eva Blomqvist and David Carral and Marieke van Erp and Antske Fokkens and Aldo Gangemi and Willem Robert van Hage and Pascal Hitzler and Krzysztof Janowicz and Nazifa Karima and Adila Krisnadhi and Tom Narock and Roxane Segers and Monika Solanki and Vojtech Svatek} } @article {480, title = {Considerations regarding Ontology Design Patterns}, journal = {Semantic Web}, volume = {7}, year = {2016}, pages = {1-7}, author = {Eva Blomqvist and Pascal Hitzler and Krzysztof Janowicz and Adila Krisnadhi and Thomas Narock and Monika Solanki} } @inbook {538, title = {Geospatial Semantic Web}, booktitle = {The International Encyclopedia of Geography: People, the Earth, Environment, and Technology. Wiley/AAG}, year = {2016}, author = {Krzysztof Janowicz and Pascal Hitzler} } @inbook {416, title = {Geospatial Semantic Web}, booktitle = {The International Encyclopedia of Geography: People, the Earth, Environment, and Technology}, year = {2016}, publisher = {Wiley/AAG}, organization = {Wiley/AAG}, author = {Krzysztof Janowicz and Pascal Hitzler} } @inbook {567, title = {Introduction: Ontology Design Patterns in a Nutshell}, booktitle = {Ontology Engineering with Ontology Design Patterns: Foundations and Applications}, year = {2016}, publisher = {IOS Press}, organization = {IOS Press}, address = {Amsterdam}, author = {Krzysztof Janowicz and Aldo Gangemi and Pascal Hitzler and Adila Krisnadhi and Valentina Presutti} } @article {537, title = {Linked Dataset Description Papers at the Semantic Web Journal: A Critical Assessment}, journal = {Semantic Web}, volume = {7}, year = {2016}, chapter = {105}, author = {Aidan Hogan and Pascal Hitzler and Krzysztof Janowicz} } @inbook {578, title = {Ontology Design Patterns for Linked Data Publishing}, booktitle = {Ontology Engineering with Ontology Design Patterns: Foundations and Applications}, volume = {25}, number = {Studies on the Semantic Web}, year = {2016}, pages = {201 - 232}, chapter = {10}, doi = {10.3233/978-1-61499-676-7-201}, author = {Adila Krisnadhi and Nazifa Karima and Pascal Hitzler and Reihaneh Amini and V{\'\i}ctor Rodr{\'\i}guez-Doncel and Krzysztof Janowicz} } @book {566, title = {Ontology Engineering with Ontology Design Patterns: Foundations and Applications}, series = {Studies On the Semantic Web}, volume = {025}, year = {2016}, publisher = {IOS Press}, organization = {IOS Press}, address = {Amsterdam}, author = {Pascal Hitzler and Aldo Gangemi and Krzysztof Janowicz and Adila Krisnadhi and Valentina Presutti} } @conference {481, title = {EarthCube GeoLink: Semantics and Linked Data for the Geosciences}, booktitle = {2015 American Geophysical Union Fall Meeting, San Francisco, 14-18 December 2015}, year = {2015}, author = {Robert A. Arko and Suzanne Carbotte and Cynthia Chandler and Michelle Cheatham and Douglas Fils and Pascal Hitzler and Krzysztof Janowicz and Peng Ji and Matthew Jones and Adila Krisnadhi and Kerstin Lehnert and Audrey Mickle and Tom Narock and Margaret O{\textquoteright}Brien and Lisa Raymond and Mark Schildhauer and Adam Shepherd and Peter Wiebe} } @conference {393, title = {The {GeoLink} Modular Oceanography Ontology}, booktitle = {The Semantic Web - ISWC 2015. 14th International Semantic Web Conference, Bethlehem, Pennsylvania, United States, October 11-15, 2015}, year = {2015}, month = {10/2015}, publisher = {Springer}, organization = {Springer}, author = {Adila Krisnadhi and Yingjie Hu and Krzysztof Janowicz and Pascal Hitzler and Robert Arko and Suzanne Carbotte and Cynthia Chandler and Michelle Cheatham and Douglas Fils and Timothy Finin and Peng Ji and Matthew Jones and Nazifa Karima and Kerstin Lehnert and Audrey Mickle and Thomas Narock and Margaret O{\textquoteright}Brien and Lisa Raymond and Adam Shepherd and Mark Schildhauer and Peter Wiebe} } @conference {482, title = {Linked Data: Forming Partnerships at the Data Layer}, booktitle = {2015 American Geophysical Union Fall Meeting, San Francisco, 14-18 December 2015}, year = {2015}, author = {Adam Shepherd and Cynthia Chandler and Robert A. Arko and Matthew Jones and Pascal Hitzler and Krzysztof Janowicz and Adila Krisnadhi and Mark Schildhauer and Douglas Fils and Tom Narock and Robert Groman and Margaret O{\textquoteright}Brien and Evan W. Patton and Danie Kinkade and Shannon Rauch} } @conference {388, title = {A Minimal Ontology Pattern for Life Cycle Assessment Data}, booktitle = {Proceedings of the 6th Workshop on Ontology and Semantic Web Patterns (WOP2015) co-located with the 14th International Semantic Web Conference {(ISWC} 2015), Bethlehem, PA, USA, October 11, 2015}, year = {2015}, month = {10/2015}, author = {Krzysztof Janowicz and Adila Krisnadhi and Yingjie Hu and Sangwon Suh and Bo Pedersen Weidema and Beatriz Rivela and Johan Tivander and David E. Meyer and Gary Berg-Cross and Pascal Hitzler and Wesley Ingwersen and Brandon Kuczenski and Charles Vardeman and Yiting Ju} } @conference {321, title = {Ontology Design Patterns: Bridging the Gap Between Local Semantic Use Cases and Large-Scale, Long-Term Data Integration}, booktitle = {European Geosciences Union General Assembly 2015, Vienna, Austria, 12 - 17 April 2015}, year = {2015}, author = {Adam Shepherd and Robert Arko and Adila Krisnadhi and Pascal Hitzler and Krzysztof Janowicz and Cynthia Chandler and Thomas Narock and Michelle Cheatham and Mark Schildhauer and Matthew Jones and Lisa Raymond and Audrey Mickle and Timothy Finin and Douglas Fils} } @conference {484, title = {Ontology Design Patterns for Semantically Enriched LCA}, booktitle = {LCA XV, University of British Columbia, Vancouver, Canada, October 6-8, 2015}, year = {2015}, author = {Brandon Kuczenski and Wesley Ingwersen and Krzysztof Janowicz and Pascal Hitzler and Gary Berg-Cross and Charles Vardeman and Sangwon Suh} } @conference {486, title = {Ontology modeling with domain experts: The GeoVoCamp experience}, booktitle = {Diversity++ 2015, Proceedings of the 1st International Diversity++ Workshop co-located with the 14th International Semantic Web Conference (ISWC 2015), Bethlehem, Pennsylvania, USA, October 12, 2015}, year = {2015}, author = {Pascal Hitzler and Krzysztof Janowicz and Adila Krisnadhi} } @inbook {385, title = {Ontology Pattern Modeling for Cross-Repository Data Integration in the Ocean Sciences: The Oceanographic Cruise Example}, booktitle = {The Semantic Web in Earth and Space Science: Current Status and Future Directions}, year = {2015}, pages = {256-284}, publisher = {IOS Press}, organization = {IOS Press}, abstract = {EarthCube is a major effort of the National Science Foundation to establish a next-generation knowledge architecture for the broader geosciences. Data storage, retrieval, access, and reuse are central parts of this new effort. Currently, EarthCube is organized around several building blocks and research coordination networks. OceanLink is a semantics-enabled building block that aims at improving data retrieval and reuse via ontologies, Semantic Web technologies, and Linked Data for the ocean sciences. Cruises, in the sense of research expeditions, are central events for ocean scientists. Consequently, information about these cruises and the involved vessels is of primary interest for oceanographers, and thus, needs to be shared and made retrievable. In this paper, we report the use of a design pattern-centric strategy to model Cruise for OceanLink data integration. We provide a formal axiomatization of the introduced pattern using the Web Ontology Language, explain design choices and discuss the planned deployment and application scenarios of our model.}, author = {Adila Krisnadhi and Robert Arko and Suzanne Carbotte and Cynthia Chandler and Michelle Cheatham and Timothy Finin and Pascal Hitzler and Krzysztof Janowicz and Thomas Narock and Lisa Raymond and Adam Shepherd and Peter Wiebe} } @conference {391, title = {{R2R+BCO-DMO} {\textendash} Linked Oceanographic Datasets}, booktitle = {Proceedings of the 1st International Diversity++ Workshop co-located with the 14th International Semantic Web Conference (ISWC 2015), Bethlehem, Pennsylvania, USA, October 12, 2015}, volume = {1501}, year = {2015}, month = {10/2015}, pages = {15-24}, publisher = {CEUR-WS.org}, organization = {CEUR-WS.org}, abstract = {The Biological and Chemical Oceanography Data Management Office (BCO-DMO) and the Rolling Deck to Repository (R2R) program are two key data repositories for oceanographic research, supported by the U.S. National Science Foundation (NSF). R2R curates digital data and documentation generated by environmental sensor systems installed on vessels from the U.S. academic research fleet, with support from the NSF Oceanographic Technical Services and Arctic Research Logistics Programs. BCO-DMO human-curates and maintains data and metadata including biological, chemical, and physical measurements and results from projects funded by the NSF Biological Oceanography, Chemical Oceanography, and Antarctic Organisms \& Ecosystems Programs. These two repositories have a strong connection, and document several thousand U.S. oceanographic research expeditions since the 1970{\textquoteright}s. Recently, R2R and BCO-DMO have made their metadata collections available as Linked Data, accessible via public SPARQL endpoints. In this paper, we report on these datasets.}, author = {Adila Krisnadhi and Robert Arko and Suzanne Carbotte and Cynthia Chandler and Michelle Cheatham and Pascal Hitzler and Yingjie Hu and Krzysztof Janowicz and Peng Ji and Nazifa Karima and Adam Shepherd and Peter Wiebe}, editor = {Claudia d{\textquoteright}Amato and Freddy L{\'e}cu{\'e} and Raghava Mutharaju and Thomas Narock and Fabian Wirth} } @conference {415, title = {The Semantic Web Journal as Linked Data}, booktitle = {International Semantic Web Conference, ISWC 2015, Posters and Demonstrations Track}, year = {2015}, month = {2015}, publisher = {Springer}, organization = {Springer}, author = {Yingjie Hu and Krzysztof Janowicz and Pascal Hitzler and Kunal Sengupta} } @article {417, title = {The Semantic Web Journal Review Process: Transparent and Open}, journal = {IEEE Computer Society Special Technical Community on Social Networking E-Letter}, volume = {3}, year = {2015}, month = {06/2015}, author = {Pascal Hitzler and Krzysztof Janowicz} } @article {54, title = {Semantics for Big Data}, journal = {AI Magazine}, volume = {36}, year = {2015}, pages = {3{\textendash}4}, url = {http://www.aaai.org/ojs/index.php/aimagazine/article/view/2559}, author = {Frank van Harmelen and James A. Hendler and Pascal Hitzler and Krzysztof Janowicz} } @article {55, title = {Why the Data Train Needs Semantic Rails}, journal = {AI Magazine}, volume = {36}, year = {2015}, pages = {5{\textendash}14}, abstract = {While catchphrases such as big data, smart data, data intensive science, or smart dust highlight different aspects, they share a common theme: Namely, a shift towards a data-centric perspective in which the synthesis and analysis of data at an ever-increasing spatial, temporal, and thematic resolution promises new insights, while, at the same time, reducing the need for strong domain theories as starting points. In terms of the envisioned methodologies, those catchphrases tend to emphasize the role of predictive analytics, i.e., statistical techniques including data mining and machine learning, as well as supercomputing. Interestingly, however, while this perspective takes the availability of data as a given, it does not answer the question how one would discover the required data in today{\textquoteright}s chaotic information universe, how one would understand which datasets can be meaningfully integrated, and how to communicate the results to humans and machines alike. The Semantic Web addresses these questions. In the following, we argue why the data train needs semantic rails. We point out that making sense of data and gaining new insights works best if inductive and deductive techniques go hand-in-hand instead of competing over the prerogative of interpretation.}, url = {http://www.aaai.org/ojs/index.php/aimagazine/article/view/2560}, author = {Krzysztof Janowicz and Frank van Harmelen and James A. Hendler and Pascal Hitzler} } @conference {8, title = {Conference v2.0: An uncertain version of the OAEI Conference benchmark}, booktitle = {13th International Semantic Web Conference (ISWC 2014)}, volume = {8797}, year = {2014}, month = {10/2014}, pages = {148-163}, publisher = {Lecture Notes in Computer Science, Springer}, organization = {Lecture Notes in Computer Science, Springer}, address = {Riva del Garda, Italy}, abstract = {The Ontology Alignment Evaluation Initiative is a set of benchmarks for evaluating the performance of ontology alignment systems. In this paper we re-examine the Conference track of the OAEI, with a focus on the degree of agreement between the reference alignments within this track and the opinion of experts. We propose a new version of this benchmark that more closely corresponds to expert opinion and confidence on the matches. The performance of top alignment systems is compared on both versions of the benchmark. Additionally, a general method for crowdsourcing the development of more benchmarks of this type using Amazon{\textquoteright}s Mechanical Turk is introduced and shown to be scalable, cost-effective and to agree well with expert opinion.}, keywords = {benchmark, OAEI, Ontology Alignment}, author = {Michelle Cheatham and Pascal Hitzler}, editor = {Peter Mika and Tania Tudorache and Abraham Bernstein and Chris Welty and Craig A. Knoblock and Denny Vrandecic and Paul T. Groth and Natasha F. Noy and Krzysztof Janowicz and Carole A. Goble} } @article {56, title = {Five stars of Linked Data vocabulary use}, journal = {Semantic Web}, volume = {5}, year = {2014}, pages = {173{\textendash}176}, abstract = {In 2010 Tim Berners-Lee introduced a 5 star rating to his Linked Data design issues page to encourage data publishers along the road to good Linked Data. What makes the star rating so effective is its simplicity, clarity, and a pinch of psychology {\textendash} is your data 5 star? While there is an abundance of 5 star Linked Data available today, finding, querying, and integrating/interlinking these data is, to say the least, difficult. While the literature has largely focused on describing datasets, e.g., by adding provenance information, or interlinking them, e.g., by co-reference resolution tools, we would like to take Berners-Lee{\textquoteright}s original proposal to the next level by introducing a 5 star rating for Linked Data vocabulary use.}, doi = {10.3233/SW-140135}, url = {http://dx.doi.org/10.3233/SW-140135}, author = {Krzysztof Janowicz and Pascal Hitzler and Benjamin Adams and Dave Kolas and Charles Vardeman} } @conference {132, title = {An Ontology Design Pattern for Activity Reasoning}, booktitle = {Proceedings of the 5th Workshop on Ontology and Semantic Web Patterns (WOP2014) co-located with the 13th International Semantic Web Conference {(ISWC} 2014), Riva del Garda, Italy, October 19, 2014.}, year = {2014}, pages = {78{\textendash}81}, abstract = {

Activity is an important concept in many fields, and a number of activity-related ontologies have been developed. While suitable for their designated use cases, these ontologies cannot be easily generalized to other applications. This paper aims at providing a generic ontology design pattern to model the common core of activities in different domains. Such a pattern can be used as a building block to construct more specific activity ontologies.

}, keywords = {Activity, Ontology Design Pattern, OWL}, url = {http://ceur-ws.org/Vol-1302/paper8.pdf}, author = {Amin Abdalla and Yingjie Hu and David Carral and Naicong Li and Krzysztof Janowicz} } @conference {145, title = {An Ontology Design Pattern for Cooking Recipes - Classroom Created}, booktitle = {Proceedings of the 5th Workshop on Ontology and Semantic Web Patterns (WOP2014) co-located with the 13th International Semantic Web Conference (ISWC 2014), Riva del Garda, Italy, October 19, 2014.}, volume = {1302}, year = {2014}, month = {10/2014}, pages = {49-60}, publisher = {CEUR-WS.org}, organization = {CEUR-WS.org}, abstract = {We present a description and result of an ontology modeling process taken to the classroom. The application domain considered was cooking recipes. The modeling goal was to bridge heterogeneity across representational choices by developing a content ontology design pattern which is general enough to allow for the integration of information from different web sites. We will discuss the pattern developed, and report on corresponding insights and lessons learned.}, url = {http://ceur-ws.org/Vol-1302}, author = {Monica Sam and Adila Krisnadhi and Cong Wang and John C. Gallagher and Pascal Hitzler}, editor = {de Boer, Victor and Aldo Gangemi and Krzysztof Janowicz and Agnieszka Lawrynowicz} } @conference {146, title = {An Ontology Design Pattern for Material Transformation}, booktitle = {Proceedings of the 5th Workshop on Ontology and Semantic Web Patterns (WOP2014) co-located with the 13th International Semantic Web Conference (ISWC 2014), Riva del Garda, Italy, October 19, 2014.}, volume = {1302}, year = {2014}, month = {10/2014}, pages = {73-77}, publisher = {CEUR-WS.org}, organization = {CEUR-WS.org}, abstract = {In this work we discuss an ontology design pattern for material transformations. It models the relation between products, resources, and catalysts in the transformation process. Our axiomatization goes beyond a mere surface semantics. While we focus on the construction domain, the pattern can also be applied to chemistry and other domains.}, url = {http://ceur-ws.org/Vol-1302}, author = {Charles Vardeman and Adila Krisnadhi and Michelle Cheatham and Krzysztof Janowicz and Holly Ferguson and Pascal Hitzler and Aimee Buccellato and Krishnaprasad Thirunarayan and Gary Berg-Cross and Torsten Hahmann}, editor = {de Boer, Victor and Aldo Gangemi and Krzysztof Janowicz and Agnieszka Lawrynowicz} } @conference {93, title = {Ontology Design Patterns for Large-Scale Data Interchange and Discovery}, booktitle = {19th International Conference on Knowledge Engineering and Knowledge Management (EKAW 2014)}, volume = {8876}, year = {2014}, pages = {XIX-XX}, publisher = {Springer}, organization = {Springer}, address = {Link{\"o}ping, Sweden}, author = {Pascal Hitzler}, editor = {Krzysztof Janowicz and Stefan Schlobach and Patrick Lambrix and Eero Hyv{\"o}nen} } @conference {399, title = {Ontology Design Patterns for Ocean Science Data Discovery}, booktitle = {Spatial reference in the Semantic Web and in Robotics (Dagstuhl Seminar 14142)}, volume = {3}, year = {2014}, author = {Pascal Hitzler and Adila Krisnadhi and Robert Arko and Suzanne Carbotte and Cynthia Chandler and Michelle Cheatham and Timothy Finin and Krzysztof Janowicz and Thomas Narock and Lisa Raymond and Adam Shepherd and Peter Wiebe}, editor = {Aldo Gangemi and Verena V. Hafner and Werner Kuhn and Simon Scheider and Luc Steels} } @article {306, title = {An Ontology Pattern for Oceanograhic Cruises: Towards an Oceanographer{\textquoteright}s Dream of Integrated Knowledge Discovery}, year = {2014}, abstract = {

EarthCube is a major effort of the National Science Foundation to establish a next-generation knowledge architecture for the broader geosciences. Data storage, retrieval, access, and reuse are central parts of this new effort. Currently, EarthCube is organized around several building blocks and research coordination networks. OceanLink is a semanticsenabled building block that aims at improving data retrieval and reuse via ontologies, Semantic Web technologies, and Linked Data for the ocean sciences. Cruises, in the sense of research expeditions, are central events for ocean scientists. Consequently, information about these cruises and the involved vessels has to be shared and made retrievable. For example, the ability to find cruises in the vicinity of physiographic features of interest, e.g., a hydrothermal vent field or a fracture zone, is of primary interest for oceanographers. In this paper, we use a design pattern-centric strategy to engineer ontologies for OceanLink. We provide a formal axiomatization of the introduced patterns and ontologies using the Web Ontology Language, explain design choices, discuss the re-usability of our models, and provide lessons learned for the future geo-ontologies.

}, author = {Adila Krisnadhi and Robert Arko and Suzanne Carbotte and Cynthia Chandler and Michelle Cheatham and Timothy Finin and Pascal Hitzler and Krzysztof Janowicz and Thomas Narock and Lisa Raymond and Adam Shepherd and Peter Wiebe} } @conference {318, title = {Provenance Usage in the OceanLink Project}, booktitle = {American Geophysical Union Fall Meeting, San Francisco, 15-19 December 2014.}, year = {2014}, author = {Thomas Narock and Robert Arko and Suzanne Carbotte and Cynthia Chandler and Michelle Cheatham and Douglas Fils and Timothy Finin and Pascal Hitzler and Krzysztof Janowicz and Matthew Jones and Adila Krisnadhi and Kerstin Lehnert and Audrey Mickle and Lisa Raymond and Mark Schildhauer and Adam Shepherd and Peter Wiebe} } @article {57, title = {Reports on the 2013 AAAI Fall Symposium Series}, journal = {AI Magazine}, volume = {35}, year = {2014}, pages = {69{\textendash}74}, url = {http://www.aaai.org/ojs/index.php/aimagazine/article/view/2538}, author = {Gully Burns and Yolanda Gil and Yan Liu and Natalia Villanueva-Rosales and Sebastian Risi and Joel Lehman and Jeff Clune and Christian Lebiere and Paul S. Rosenbloom and Frank van Harmelen and James A. Hendler and Pascal Hitzler and Krzysztof Janowicz and Samarth Swarup} } @conference {7, title = {Revisiting default description logics {\textendash} and their role in aligning ontologies}, booktitle = {Semantic Technology, 4th Joint International Conference, JIST 2014}, volume = {8943}, year = {2014}, month = {11/2014}, pages = {3-18}, publisher = {Lecture Notes in Computer Science, Springer}, organization = {Lecture Notes in Computer Science, Springer}, address = {Chiang Mai, Thailand}, abstract = {We present a new approach to extend the Web Ontology Language (OWL) with the capabilities to reason with defaults. This work improves upon the previously established results on integrating defaults with description logics (DLs), which were shown to be decidable only when the application of defaults is restricted to named individuals in the knowledge base. We demonstrate that the application of defaults (integrated with DLs) does not have to be restricted to named individuals to retain decidability and elaborate on the application of defaults in the context of ontology alignment and ontology-based systems.}, keywords = {default logic, defaults, description logics, Ontology Alignment}, doi = {10.1007/978-3-319-15615-6_1}, author = {Kunal Sengupta and Pascal Hitzler and Krzysztof Janowicz}, editor = {T. Supnithi and T. Yamaguchi and Jeff Z. Pan and V. Wuwongse and M. Buranarach} } @inbook {91, title = {Semantic Web}, booktitle = {Computing Handbook, Third Edition: Computer Science and Software Engineering}, volume = {I}, year = {2014}, pages = {50-1 - 50-13}, publisher = {Chapman and Hall/CRC}, organization = {Chapman and Hall/CRC}, edition = {3}, author = {Pascal Hitzler and Krzysztof Janowicz}, editor = {Allen Tucker and Teofilo Gonzalez and Jorge Diaz-Herrera} } @article {58, title = {Semantic Web and Big Data meets Applied Ontology - The Ontology Summit 2014}, journal = {Applied Ontology}, volume = {9}, year = {2014}, pages = {155{\textendash}170}, doi = {10.3233/AO-140135}, url = {http://dx.doi.org/10.3233/AO-140135}, author = {Leo Obrst and Michael Gr{\"u}ninger and Ken Baclawski and Mike Bennett and Dan Brickley and Gary Berg-Cross and Pascal Hitzler and Krzysztof Janowicz and Christine Kapp and Oliver Kutz and Christoph Lange and Anatoly Levenchuk and Francesca Quattri and Alan Rector and Todd Schneider and Simon Spero and Anne Thessen and Marcela Vegetti and Amanda Vizedom and Andrea Westerinen and Matthew West and Peter Yim} } @conference {319, title = {Using Linked Open Data and Semantic Integration to Search Across Geoscience Repositories.}, booktitle = {American Geophysical Union Fall Meeting, San Francisco, 15-19 December 2014}, year = {2014}, author = {Lisa Raymond and Adam Shepherd and Robert Arko and Suzanne Carbotte and Cynthia Chandler and Michelle Cheatham and Douglas Fils and Pascal Hitzler and Krzysztof Janowicz and Matthew Jones and Adila Krisnadhi and Kerstin Lehnert and Audrey Mickle and Thomas Narock and Mark Schildhauer and Peter Wiebe} } @conference {400, title = {Crowdsourcing Semantics for Big Data in Geoscience Applications}, booktitle = {Semantics for Big Data: Papers from the AAAI Symposium}, year = {2013}, month = {11/2013}, address = {Arlington, Virginia}, author = {Tom Narock and Pascal Hitzler}, editor = {Frank van Harmelen and Jim Hendler and Pascal Hitzler and Krzysztof Janowicz} } @conference {130, title = {A Geo-ontology Design Pattern for Semantic Trajectories}, booktitle = {Spatial Information Theory - 11th International Conference, COSIT 2013, Scarborough, UK, September 2-6, 2013. Proceedings}, year = {2013}, pages = {438{\textendash}456}, abstract = {

Trajectory data have been used in a variety of studies, including human behavior analysis, transportation management, and wildlife tracking. While each study area introduces a different perspective, they share the need to integrate positioning data with domain-specific information. Semantic annotations are necessary to improve discovery, reuse, and integration of trajectory data from different sources. Consequently, it would be beneficial if the common structure encountered in trajectory data could be annotated based on a shared vocabulary, abstracting from domain-specific aspects. Ontology design patterns are an increasingly popular approach to define such flexible and self-contained building blocks of annotations. They appear more suitable for the annotation of interdisciplinary, multi-thematic, and multi-perspective data than the use of foundational and domain ontologies alone. In this paper, we introduce such an ontology design pattern for semantic trajectories. It was developed as a community effort across multiple disciplines and in a data-driven fashion. We discuss the formalization of the pattern using the Web Ontology Language (OWL) and apply the pattern to two different scenarios, personal travel and wildlife monitoring.

}, keywords = {Ontology Design Pattern, OWL, Trajectory}, doi = {10.1007/978-3-319-01790-7_24}, url = {http://dx.doi.org/10.1007/978-3-319-01790-7_24}, author = {Yingjie Hu and Krzysztof Janowicz and David Carral and Simon Scheider and Werner Kuhn and Gary Berg-Cross and Pascal Hitzler and Mike Dean and Dave Kolas} } @article {63, title = {Linked Data, Big Data, and the 4th Paradigm}, journal = {Semantic Web}, volume = {4}, year = {2013}, pages = {233{\textendash}235}, abstract = {It appears to be uncontroversial that Linked Data is part of the Big Data landscape. We even go a bit further and claim that Linked Data is an ideal testbed for researching some key Big Data challenges and to experience the 4th paradigm of science in action.}, doi = {10.3233/SW-130117}, url = {http://dx.doi.org/10.3233/SW-130117}, author = {Pascal Hitzler and Krzysztof Janowicz} } @conference {153, title = {Linked Scientometrics: Designing Interactive Scientometrics with Linked Data and Semantic Web Reasoning}, booktitle = {Proceedings of the ISWC 2013 Posters \& Demonstrations Track, Sydney, Australia, October 23, 2013}, volume = {1035}, year = {2013}, pages = {53{\textendash}56}, publisher = {CEUR-WS.org}, organization = {CEUR-WS.org}, author = {Grant McKenzie and Krzysztof Janowicz and Yingjie Hu and Kunal Sengupta and Pascal Hitzler}, editor = {Eva Blomqvist and Tudor Groza} } @conference {49, title = {A Linked-Data-Driven and Semantically-Enabled Journal Portal for Scientometrics}, booktitle = {The Semantic Web - ISWC 2013 - 12th International Semantic Web Conference, Sydney, NSW, Australia, October 21-25, 2013, Proceedings, Part II}, volume = {8219}, year = {2013}, pages = {114{\textendash}129}, publisher = {Springer}, organization = {Springer}, author = {Yingjie Hu and Krzysztof Janowicz and Grant McKenzie and Kunal Sengupta and Pascal Hitzler}, editor = {Harith Alani and Lalana Kagal and Achille Fokoue and Paul T. Groth and Chris Biemann and Josiane Xavier Parreira and Lora Aroyo and Natasha F. Noy and Chris Welty and Krzysztof Janowicz} } @article {64, title = {The New Manuscript Review System for the Semantic Web Journal}, journal = {Semantic Web}, volume = {4}, year = {2013}, pages = {117}, doi = {10.3233/SW-130095}, url = {http://dx.doi.org/10.3233/SW-130095}, author = {Pascal Hitzler and Krzysztof Janowicz and Kunal Sengupta} } @conference {129, title = {An Ontology Design Pattern for Cartographic Map Scaling}, booktitle = {The Semantic Web: Semantics and Big Data, 10th International Conference, ESWC 2013, Montpellier, France, May 26-30, 2013. Proceedings}, volume = {7882}, year = {2013}, pages = {76{\textendash}93}, publisher = {Springer}, organization = {Springer}, abstract = {

The concepts of scale is at the core of cartographic abstraction and mapping. It defines which geographic phenomena should be displayed, which type of geometry and map symbol to use, which measures can be taken, as well as the degree to which features need to be exaggerated or spatially displaced. In this work, we present an ontology design pattern for map scaling using the Web Ontology Language (OWL) within a particular extension of the OWL RL profile. We explain how it can be used to describe scaling applications, to reason over scale levels, and geometric representations. We propose an axiomatization that allows us to impose meaningful constraints on the pattern, and, thus, to go beyond simple surface semantics. Interestingly, this includes several functional constraints currently not expressible in any of the OWL profiles. We show that for this specific scenario, the addition of such constraints does not increase the reasoning complexity which remains tractable.

}, keywords = {Map Scaling, Ontology Design Patterns, OWL}, doi = {10.1007/978-3-642-38288-8_6}, url = {http://dx.doi.org/10.1007/978-3-642-38288-8_6}, author = {David Carral and Simon Scheider and Krzysztof Janowicz and Charles Vardeman and Adila Krisnadhi and Pascal Hitzler}, editor = {Philipp Cimiano and {\'O}scar Corcho and Valentina Presutti and Laura Hollink and Sebastian Rudolph} } @proceedings {310, title = {Semantics for Big Data: Papers from the AAAI Symposium, November 15-17, 2013, Arlington, Virginia}, journal = {AAAI Symposium on Semantics for Big Data}, year = {2013}, address = {Arlington, Virginia, USA}, editor = {Frank van Harmelen and James A. Hendler and Pascal Hitzler and Krzysztof Janowicz} } @article {308, title = {There{\textquoteright}s No Money in Linked Data}, year = {2013}, institution = {DaSe Lab, Department of Computer Science and Engineering, Wright State University}, address = {Dayton, OH, USA}, abstract = {

Linked Data (LD) has been an active research area for more than 6 years and many aspects about publishing, retrieving, linking, and cleaning Linked Data have been investigated. There seems to be a broad and general agreement that in principle LD datasets can be very useful for solving a wide variety of problems ranging from practical industrial analytics to highly specific research problems. Having these notions in mind, we started exploring the use of notable LD datasets such as DBpedia, Freebase, Geonames and others for a commercial application. However, it turns out that using these datasets in realistic settings is not always easy. Surprisingly, in many cases the underlying issues are not technical but legal barriers erected by the LD data publishers. In this paper we argue that these barriers are often not justified, detrimental to both data publishers and users, and are often built without much consideration of their consequences.

}, author = {Prateek Jain and Pascal Hitzler and Krzysztof Janowicz and Chitra Venkatramani} } @conference {401, title = {Thoughts on the Complex Relation Between Linked Data, Semantic Annotations, and Ontologies}, booktitle = {ESAIR{\textquoteright}13, Proceedings of the Sixth International Workshop on Exploiting Semantic Annotations in Information Retrieval, co-located with {CIKM} 2013, San Francisco, CA, USA, October 28, 2013}, year = {2013}, pages = {41{\textendash}44}, publisher = {ACM}, organization = {ACM}, address = {San Francisco, CA}, abstract = {The relation between data, annotations, and schemata seems straightforward at first: Data are annotated with additional meta information according to some schemata in order to expose additional non-intrinsic characteristics relevant to the meaningful interpretation of said data. However, on closer examination, things are not as simple. Focusing on geo-information retrieval, we will try to disentangle the aforementioned relations. We will report from our own experience and from observations gathered by editing papers about ontologies and Linked Data for the Semantic Web journal.}, doi = {10.1145/2513204.2513218}, url = {http://doi.acm.org/10.1145/2513204.2513218}, author = {Krzysztof Janowicz and Pascal Hitzler}, editor = {Paul N. Bennett and Evgeniy Gabrilovich and Jaap Kamps and Jussi Karlgren} } @article {68, title = {Cognitive Approaches for the Semantic Web (Dagstuhl Seminar 12221)}, journal = {Dagstuhl Reports}, volume = {2}, year = {2012}, pages = {93{\textendash}116}, doi = {10.4230/DagRep.2.5.93}, url = {http://dx.doi.org/10.4230/DagRep.2.5.93}, author = {Dedre Gentner and Frank van Harmelen and Pascal Hitzler and Krzysztof Janowicz and Kai-Uwe K{\"u}hnberger} } @article {66, title = {The Digital Earth as Knowledge Engine}, journal = {Semantic Web}, volume = {3}, year = {2012}, pages = {213{\textendash}221}, abstract = {The Digital Earth aims at developing a digital representation of the planet. It is motivated by the need for integrating and interlinking vast geo-referenced, multi-thematic, and multi-perspective knowledge archives that cut through domain boundaries. Complex scientific questions cannot be answered from within one domain alone but span over multiple scientific disciplines. For instance, studying disease dynamics for prediction and policy making requires data and models from a diverse body of science ranging from medical science and epidemiology over geography and economics to mining the social Web. The naive assumption that such problems can simply be addressed by more data with a higher spatial, temporal, and thematic resolution fails as long as this more on data is not supported by more knowledge on how to combine and interpret the data. This makes semantic interoperability a core research topic of data-intensive science. While the Digital Earth vision includes processing services, it is, at its very core, a data archive and infrastructure. We propose to redefine the Digital Earth as a knowledge engine and discuss what the Semantic Web has to offer in this context and to Big Data in general.}, doi = {10.3233/SW-2012-0070}, url = {http://dx.doi.org/10.3233/SW-2012-0070}, author = {Krzysztof Janowicz and Pascal Hitzler} } @conference {402, title = {Key Ingredients For Your Next Semantics Elevator Talk}, booktitle = {Advances in Conceptual Modeling - {ER} 2012 Workshops CMS, ECDM-NoCoDA, MoDIC, MORE-BI, RIGiM, SeCoGIS, WISM, Florence, Italy, October 15-18, 2012. Proceedings}, volume = {7518}, year = {2012}, pages = {213{\textendash}220}, publisher = {Springer}, organization = {Springer}, address = {Florence, Italy}, abstract = {

2012 brought a major change to the semantics research community. Discussions on the use and benefits of semantic technologies are shifting away from the why to the how. Surprisingly this more in stakeholder interest is not accompanied by a more detailed understanding of what semantics research is about. Instead of blaming others for their (wrong) expectations, we need to learn how to emphasize the paradigm shift proposed by semantics research while abstracting from technical details and advocate the added value in a way that relates to the immediate needs of individual stakeholders without overselling. This paper highlights some of the major ingredients to prepare your next Semantics Elevator Talk.

}, doi = {10.1007/978-3-642-33999-8_27}, url = {http://dx.doi.org/10.1007/978-3-642-33999-8_27}, author = {Krzysztof Janowicz and Pascal Hitzler}, editor = {Silvana Castano and Panos Vassiliadis and Laks V. S. Lakshmanan and Mong-Li Lee} } @conference {126, title = {A logical geo-ontology design pattern for quantifying over types}, booktitle = {SIGSPATIAL 2012 International Conference on Advances in Geographic Information Systems (formerly known as GIS), SIGSPATIAL{\textquoteright}12, Redondo Beach, CA, USA, November 7-9, 2012}, year = {2012}, pages = {239{\textendash}248}, keywords = {Biodiversity, description logics, Ontology Design Patterns, OWL}, doi = {10.1145/2424321.2424352}, url = {http://doi.acm.org/10.1145/2424321.2424352}, author = {David Carral and Krzysztof Janowicz and Pascal Hitzler} } @article {71, title = {Open and transparent: the review process of the Semantic Web journal}, journal = {Learned Publishing}, volume = {25}, year = {2012}, pages = {48-55}, abstract = {

While open access is established in the world of academic publishing, open reviews are rare. The Semantic Web journal goes further than just open review by implementing an open and transparent review process in which reviews are publicly available, the assigned editors and reviewers are known by name, and are published together with accepted manuscripts. In this article we introduce the steps to realize such a process from the conceptual design, over the implementation, a overview of the results so far, and up to lessons learned.

}, author = {Krzysztof Janowicz and Pascal Hitzler} } @article {307, title = {Semantic Aspects of EarthCube}, year = {2012}, abstract = {

In this document, we give a high-level overview of selected Semantic (Web) technologies, methods, and other important considerations, that are relevant for the success of EarthCube. The goal of this initial document is to provide entry points and references for discussions between the Semantic Technologies experts and the domain experts within EarthCube. The selected topics are intended to ground the EarthCube roadmap in the state of the art in semantics research and ontology engineering.

We anticipate that this document will evolve as EarthCube progresses. Indeed, all EarthCube parties are asked to provide topics of importance that should be treated in future versions of this document.

}, author = {Pascal Hitzler and Krzysztof Janowicz and Gary Berg-Cross and Leo Obrst and Amit Sheth and Timothy Finin and Isabel Cruz} } @conference {403, title = {Semantics and Ontologies for EarthCube}, booktitle = {Workshop on GIScience in the Big Data Age, In conjunction with the seventh International Conference on Geographic Information Science 2012 (GIScience 2012)}, year = {2012}, address = {Columbus, Ohio, USA}, abstract = {

Semantic technologies and ontologies play an increasing role in scientific workflow systems and knowledge infrastructures. While ontologies are mostly used for the semantic annotation of metadata, semantic technologies enable searching metadata catalogs beyond simple keywords, with some early evidence of semantics used for data translation. However, the next generation of distributed and interdisciplinary knowledge infrastructures will require capabilities beyond simple subsumption reasoning over subclass relations. In this work, we report from the EarthCube Semantics Community by highlighting which role semantics and ontologies should play in the EarthCube knowledge infrastructure. We target the interested domain scientist and, thus, introduce the value proposition of semantic technologies in a non-technical language. Finally, we commit ourselves to some guiding principles for the successful implementation and application of semantic technologies and ontologies within EarthCube.

}, author = {Gary Berg-Cross and Isabel Cruz and Mike Dean and Tim Finin and Mark Gahegan and Pascal Hitzler and Hook Hua and Krzysztof Janowicz and Naicong Li and Philip Murphy and Bryce Nordgren and Leo Obrst and Mark Schildhauer and Amit Sheth and Krishna Sinha and Anne Thessen and Nancy Wiegand and Ilya Zaslavsky}, editor = {Krzysztof Janowicz and C. Kessler and T. Kauppinen and Dave Kolas and Simon Scheider} } @article {75, title = {Semantic Web surveys and applications}, journal = {Semantic Web}, volume = {2}, year = {2011}, pages = {65{\textendash}66}, doi = {10.3233/SW-2011-0047}, url = {http://dx.doi.org/10.3233/SW-2011-0047}, author = {Pascal Hitzler and Krzysztof Janowicz} } @article {76, title = {Semantic Web tools and systems}, journal = {Semantic Web}, volume = {2}, year = {2011}, pages = {1{\textendash}2}, doi = {10.3233/SW-2011-0035}, url = {http://dx.doi.org/10.3233/SW-2011-0035}, author = {Pascal Hitzler and Krzysztof Janowicz} } @article {79, title = {Semantic Web - Interoperability, Usability, Applicability}, journal = {Semantic Web}, volume = {1}, year = {2010}, pages = {1{\textendash}2}, abstract = {

The Semantic Web journal is set up to be a forum for highest-quality research contributions on all aspects of the Semantic Web. Its scope encompasses work in neighboring disciplines which is motivated by the Semantic Web vision. Besides the publishing of research contributions, it is also an outlet for reports on tools, systems, applications, and ontologies which enable research, rather than being direct research contributions. The journal also publishes top-quality surveys which serve as introductions to core topics of Semantic Web research.

}, doi = {10.3233/SW-2010-0017}, url = {http://dx.doi.org/10.3233/SW-2010-0017}, author = {Pascal Hitzler and Krzysztof Janowicz} } @conference {115, title = {Towards Reasoning Pragmatics}, booktitle = {GeoSpatial Semantics, Third International Conference, GeoS 2009}, volume = {5892}, year = {2009}, pages = {9{\textendash}25}, publisher = {Springer}, organization = {Springer}, address = {Mexico City, Mexico}, abstract = {

The realization of Semantic Web reasoning is central to substantiating the Semantic Web vision. However, current mainstream research on this topic faces serious challenges, which force us to question established lines of research and to rethink the underlying approaches.

}, doi = {10.1007/978-3-642-10436-7_2}, url = {http://dx.doi.org/10.1007/978-3-642-10436-7_2}, author = {Pascal Hitzler}, editor = {Krzysztof Janowicz and Martin Raubal and Sergei Levashkin} } @article {966, title = {Knowledge Explorer: Exploring the 12-Billion-Statement KnowWhereGraph Using Faceted Search (demo paper)}, pages = {Proceedings of the 30th International Conference on Advances in Geographic Information Systems, SIGSPATIAL 2022}, address = {Seattle, Washington}, author = {Zilong Liu and Zhining Gu and Thomas Thelen and Seila Estrecha and Rui Zhu and Colby Fisher and Anthony D{\textquoteright}Onofrio and Cogan Shimizu and Krzysztof Janowicz and Mark Schildhauer and Shirly Stephen and Dean Rehberger and Wenwen Li and Pascal Hitzler} }