Hany Harb

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Ontology is a specification of conceptualization. This paper introduces an environment to develop semantic web applications. This environment integrates a lot of tools such as an editing capability, logic reasoner and semantic search engine. Design and implementation of a generalized ontology editor is presented in this paper through which the user may(More)
Despite the enormous number of documents and the huge amount of information contained in the Internet, the information search process is still difficult and unsatisfactory. The main reason behind this is that the search engines use the traditional search which depends on the keywords not on the concepts as semantic search engines. Tim Berners-Lee invented(More)
Recently, some problems related to using the Real-time Control Protocol (RTCP) in a very large dynamic group have arisen. Some of these problems are: feedback delay, increasing storage state at every member, and ineffective RTCP bandwidth usage, especially for the receivers that obtain incoming RTCP reports through low bandwidth links. More schemes are(More)
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