Mohammed Yehia Hassan Dahab <br/><br/>
Extracting ontology from different sources /  
 استخلاص او نتولوجى من المصادر المختلفة 
Mohammed Yehia Hassan Dahab ; Supervised Ahmed Rafea , Khaled Shaalan , Hesham Hassan 
 - Cairo :   Mohammed Yehia Hassan Dahab ,   2007 
 - 180P. ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty Of Computers and Information - Department Of Computer Science 
<br/><br/> Most of existing ontologies construction tools support construction of ontological relations but they do not support construction of domain relations The aim of this thesis is to investigate the automation of the ontology building process from structured and unstructured sources 
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<br/><br/><label>Subjects--Index Terms: </label>Knowledge bases Natural language Ontology