\input zb-basic
\input zb-ioport
\iteman{io-port 70222317}
\itemau{Xiong, Hui; Shekhar, Shashi; Huang, Yan; Kumar, Vipin; Ma, Xiaobin; Yoo, Jin Soung}
\itemti{A framework for discovering co-location patterns in data sets with extended spatial objects}
\itemso{SDM (2004).}
\itemcc{}
\itemut{}
\itemli{http://www.siam.org/meetings/sdm04/proceedings/sdm04\_008.pdf}
\end