Automatic construction of labeled clusters of named entities for IR

Language: English

Published by LAP LAMBERT Academic Publishing Mai 2011, 2011

3844334726 / 9783844334722

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This item is printed on demand - Print on Demand Titel. Neuware -In this study we have tried to harvest labeled clusters of semantically similar named entities which can be used as a first step for web document clustering. We first collect ~44,000 named entities from a thesaurus which is constructed by Dekang Lin applying a word similarity measure based on their distributional pattern. Using their similarity metrics and CLUTO clustering software, we create 2000 semantically similar clusters of the named entities. Then we collect ~305,500 label-instance pairs from the 2007 English Wikipedia dump and implement a labeling algorithm presented by Benjamin Van Durme and M.Pasça (2008) to assign a label to the clusters. This automatic lableing task is able to assign a label which describes the majority of the named entities in 924 of the clusters, which is 46.2% of the total clusters. Finally we evaluate both the clustering and labeling tasks taking 86 randomly selected clusters and on the bases of two native English speaker evaluators¿ subjective judgment. According to these evaluators, the clustering task has a purity score of 0.7 and 55% of the labels are acceptable with different degree of accuracy.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 64 pp. Englisch.…

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Title
Automatic construction of labeled clusters of named entities for IR
Author
Henock Tilahun Teffera
Publisher
LAP LAMBERT Academic Publishing Mai 2011
Publication year
2011
Condition
Neu
Binding
Taschenbuch
Language
English
ISBN 10
3844334726
ISBN 13
9783844334722
Item weight
113 grams
Dimensions
220x150x4 mm

buchversandmimpf2000

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