TY - BOOK AU - Ali Eid Ali Zidane Elqutaany AU - Ali Hamed Elbastawissy , AU - Osman Hegazy Mohamed , TI - Data cleansing in the virtual data integration environment / PY - 2011/// CY - Cairo : PB - Ali Eid Ali Zidane Elqutaany , KW - Conflict handing KW - Data integration KW - Duplicate detection N1 - Thesis (M.Sc.) - Cairo University - Faculty of Computers and Information - Department of Information System; Issued also as CD N2 - Data integration refers to the problem of combining data residing at homogencous, autonomous, and heterogeneous data sources, and providing users with a unified global schema. Users pose their queries in terms of this unified global schema. The unified global schema either materialized with data or virtual where data residing at the data sources UR - http://172.23.153.220/th.pdf ER -