Ali Eid Ali Zidane Elqutaany <br/><br/>
Data cleansing in the virtual data integration environment /  
 تنقية البيانات فى البيئة الافتراضية لتكامل البيانات 
Ali Eid Ali Zidane Elqutaany ; Supervised Osman Hegazy , Ali Hamed Elbastawissy 
 - Cairo :   Ali Eid Ali Zidane Elqutaany ,   2011 
 - 124 Leaves :   charts ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Computers and Information - Department of Information System 
<br/><br/> 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 
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<br/><br/><label>Subjects--Index Terms: </label>Conflict handing Data integration Duplicate detection