7H.E. McNay. Enterprise Content Management: an Overview. In Proc. IEEE Intl. Professional Communication Conf, (IPCC 2002), 2002, pp. 396 - 402.
8D. K. W. Chiu, B. Kwok, R. Wang, E. Kafeza, and S.C. Cheung. "Alert Driven E - Services Management," In Proc. HICSS37, Jan 2004, CDROM,10 pages, and Computing Systems, Minneapolis, Minnesota ,2002, pp:1 - 15.
9Erik hatcher, Otis gospodnetic , Lucene in action,2005.