Pavel Makagonov Alejandro Ruiz Figueroa Study of Knowledge Evolution in Parallel Computing by Short Texts Analysis. 439-445 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3287&spage=439 2004 conf/ciarp/2004 CIARP db/conf/ciarp/ciarp2004.html#MakagonovF04