Malú Castellanos Umeshwar Dayal Song Wang Chetan Gupta Information Extraction, Real-Time Processing and DW2.0 in Operational Business Intelligence. 33-45 2010 DNIS http://dx.doi.org/10.1007/978-3-642-12038-1_4 conf/dnis/2010 db/conf/dnis/dnis2010.html#CastellanosDWG10