Actions for GIS '05 : proceedings of the 13th ACM International Workshop on Geographic Information Systems : November 4-5, 2005, Bremen, Germany, co-located with CIKM 2005
GIS '05 : proceedings of the 13th ACM International Workshop on Geographic Information Systems : November 4-5, 2005, Bremen, Germany, co-located with CIKM 2005 / Cyrus Shahabi & Omar Boucelma, editors ; sponsored by ACM Special Interest Group on Information Retrieval (SIGIR) and Gesellschaft fur Informatik e.V. (GI).