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Web document clustering is one of the most important research branches of Clustering Analyzing. The objective of web document clustering is to meet the need of retrieving web document efficiently from massive information in Internet. Recently social tagging is the important form of document organization in web 2.0, and the tagging as a document descriptor is used to improve the effectiveness of web...
This paper introduces a new 4D Markov chain model for IEEE 802.15.4 wireless transmission, which corrects errors in an existing 3D model and provides more accurate results. It also introduces an analytical technique for calculating the pdf and mean of the number of time slots required to complete all transmissions, when a set of nodes contend for the channel at the beginning of a superframe. It is...
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