Tengku M. T. Sembok Character Strings to Natural Language Processing in Information Retrieval. 26-33 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2911&spage=26 2003 conf/icadl/2003 ICADL db/conf/icadl/icadl2003.html#Sembok03