Using semantic classes as document keywords

Authors:
Rubén Izquierdo;Armando Suárez;German Rigau
Affiliations:
GPLSI Group, University of Alicante, Spain;GPLSI Group, University of Alicante, Spain;IXA NLP Group, EHU, Donostia, Spain
Venue:
NLDB'11 Proceedings of the 16th international conference on Natural language processing and information systems
Year:
2011

Citing 4
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Abstract

Keyphrases are mainly words that capture the main topics of a document.We think that semantic classes can be used as keyphrases for a text. We have developed a semantic class-based WSD system that can tag the words of a text with their semantic class. A method is developed to compare the semantic classes of the words of a text with the correct ones based on statistical measures.We find that the evaluation of semantic classes considered as keyphrases is very close to 100% in most cases.