Sharma Chakravarthy Enabling Technologies for Harnessing Information Explosion. 21 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3347&spage=21 2004 conf/icdcit/2004 ICDCIT db/conf/icdcit/icdcit2004.html#Chakravarthy04