Comparing Wikipedia and German wordnet by evaluating semantic relatedness on multiple datasets

Authors:
Torsten Zesch;Iryna Gurevych;Max Mühlhäuser
Affiliations:
Darmstadt University of Technology, Darmstadt, Germany;Darmstadt University of Technology, Darmstadt, Germany;Darmstadt University of Technology, Darmstadt, Germany
Venue:
NAACL-Short '07 Human Language Technologies 2007: The Conference of the North American Chapter of the Association for Computational Linguistics; Companion Volume, Short Papers
Year:
2007

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Abstract

We evaluate semantic relatedness measures on different German datasets showing that their performance depends on: (i) the definition of relatedness that was underlying the construction of the evaluation dataset, and (ii) the knowledge source used for computing semantic relatedness. We analyze how the underlying knowledge source influences the performance of a measure. Finally, we investigate the combination of wordnets and Wikipedia to improve the performance of semantic relatedness measures.