Romani Farid Ibrahim  <br/><br/>
Comparison of algorithms handling transactions that move among hosts in mobile database /  
 مقارنة الخوارزميات المستخدمة فى معالجة العمليات التى تتحرك بين اكثر من خادم فى قواعد البيانات المتنقلة 
Romani Farid Ibrahim ; Supervised Osman Hegazy Mohammed , Ali Hamed Elbastawissy 
 - Cairo :   Romani Farid Ibrahim ,   2009 
 - 156 Leaves :   facsimiles ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Computers and Information - Department of Information System 
<br/><br/> In This thesis, we introduce a mobile-shadow model (M-shadow), as an enhanced shadow paging technique to handle disconnection in mobile transactions and data changing problem at the primary server while the mobile user is disconnected or working offline. M-shadow transaction is a compound transaction that consists of groups of short duration transactions, which represents some real applications 
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<br/><br/><label>Subjects--Index Terms: </label>Concurrency control  Mobile database Transaction processing