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Lee, Y.-H.; Wei, C.-P.; Hu, P.J.-H.: ¬An ontology-based technique for preserving user preferences in document-category evolutions (2011)
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Wei, C.-P.; Lee, Y.-H.; Chiang, Y.-S.; Chen, C.-T.; Yang, C.C.C.: Exploiting temporal characteristics of features for effectively discovering event episodes from news corpora (2014)
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