Abstract-Arabic language is very different and difficult structure than other languages, that's because it is a very rich language with complex morphology. Many stemmers have been developed for Arabic language but still there are many weakness and problems. There is still lack of usage of Arabic stemming in search engines. This paper introduces a rooted word Arabic stemmer technique. The results of the introduced technique for six Arabic sentences are used in famous search engines Google Chrome, Internet Explore and Mozilla Firefox to check the effect of using Arabic stemming in these search engines in terms of the total number of searched pages and the search time ratio for actual sentences and their stemming results. The results show that Arabic words stemming increase and accelerate the search engines output.
Recent advances in computer communications, especially highly interactivedistributed applications and those relying on the transfer of multimedia information and in particular, continuous media flows. It is essential that QoS is guaranteed in a system, considering distributed system area, the transport protocol and themultiservice network. Quality of Service (QoS) in distributed multimedia systems provides a unifying theme on which the functions and facilities of the new integrated standards can be constructed. The objective of thispaper is tofocusonseveral QoS parametersat different levelsand Enhanced Adaptive Mechanismis proposed in order to improve the performance in distributed multimediaapplications.
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