@proceedings {316, title = {Proceedings of the Fifth International Workshop on Neural-Symbolic Learning and Reasoning, NeSy{\textquoteright}09, at the 21st International Joint Conference on Artificial Intelligence, Pasadena, California, July 2009}, journal = {Fifth International Workshop on Neural-Symbolic Learning and Reasoning, NeSy{\textquoteright}09, at the 21st International Joint Conference on Artificial Intelligence}, volume = {481}, year = {2009}, publisher = {CEUR-WS.org}, address = {Pasadena, California}, issn = {1613-0073}, url = {http://ceur-ws.org/Vol-481}, editor = {Artur S. d{\textquoteright}Avila Garcez and Pascal Hitzler} }