TY - JOUR T1 - Semantics for Big Data JF - AI Magazine Y1 - 2015 A1 - Frank van Harmelen A1 - James A. Hendler A1 - Pascal Hitzler A1 - Krzysztof Janowicz VL - 36 UR - http://www.aaai.org/ojs/index.php/aimagazine/article/view/2559 ER -