Akira Hiyamizu Koji Okamura Masatoshi Arikawa Internet Camera Selections in Response to Location-Based Requests from Multiple Users. 406-415 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2662&spage=406 2003 conf/icoin/2003 ICOIN db/conf/icoin/icoin2003.html#HiyamizuOA03