Titlebook: Semantics, Web and Mining; Joint International Markus Ackermann,Bettina Berendt,Maarten Someren Conference proceedings 2006 Springer-Verla

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Discovering a Term Taxonomy from Term Similarities Using Principal Component Analysislified mathematical model the criterion does the apparently right thing. We applied our scheme to the reconstruction of a selected part of the open directory project (ODP) hierarchy, with promising results.

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Semi-automatic Construction of Topic Ontologiesywords from a set of documents inside the topic. The first set of descriptive keyword is extracted using document centroid vectors, while the second set of distinctive keyword is extracted from the SVM classification model dividing documents in the topic from the neighboring documents.

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