Neamat Abdelhadi Hadi Eltazi  <br/><br/>
Efficient processing of queries in semi - structured data /  
 التشغيل الفعال للاستفسارات فى البيانات شبه المهيكلة 
Neamat Abdelhadi Hadi Eltazi ; Supervised Osman Hegazy , H . V. jagadish , Mohamed Elsharkawi 
 - Cairo :   Neamat Abdelhadi Hadi Eltazi ,   2010 
 - 88Leaves :   charts ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Computers and Information - Department of Information System 
<br/><br/> XML queries are based on path expressions which are composed of some elements connected to each other in a tree pattern structure called Query Tree Pattern (QTP) . Thus the core operation of XML query processing is finding al instances of QTP in the XML document . A number of methods are offered for QTP matching but they process too many elements in XML documentwhile most of them have no opportunity to participate in the final result 
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<br/><br/><label>Subjects--Index Terms: </label>Query processing Twin queries XML