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In recent years, wireless sensor networks (WSNs) have gained increasing attention from researchers and scholars. One of the major issues in wireless sensor network is developing an energy-efficient clustering protocol. Hierarchical clustering algorithms are very important in increasing the network's life time. Each clustering algorithm is composed of two(More)
Clustering through organizing large text corpora has a key role in an easy navigation and browsing of massive amounts of text data and in particular in search engines. The documents comparison using the conventional clustering techniques is based on the surface similarities of words or extracted morphemes. This leads to non-semantic clusters usually. In(More)
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