Push Singh Thomas Lin Erik T. Mueller Grace Lim Travell Perkins Wan Li Zhu Open Mind Common Sense: Knowledge Acquisition from the General Public. 1223-1237 2002 conf/coopis/2002 CoopIS/DOA/ODBASE http://link.springer.de/link/service/series/0558/bibs/2519/25191223.htm db/conf/coopis/coopis2002.html#SinghLMLPZ02