Mario A. Bochicchio Antonella Longo Conceptual Modeling of Data Intensive and Information Intensive Web Applications. 292-299 2004 conf/mmm/2004 MMM http://csdl.computer.org/comp/proceedings/mmm/2004/2084/00/20840292abs.htm db/conf/mmm/mmm2004.html#BochicchioL04