Bayan Abu Shawar Eric Atwell Accessing an Information System by Chatting. 407-412 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3136&spage=407 2004 conf/nldb/2004 NLDB db/conf/nldb/nldb2004.html#ShawarA04