Time expressions ontology for information seeking dialogues in the public transport domain

Authors:
Agnieszka Mykowiecka
Affiliations:
Institute of Computer Science, Polish Academy of Sciences, Warsaw, Poland
Venue:
IceTAL'10 Proceedings of the 7th international conference on Advances in natural language processing
Year:
2010

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Abstract

The paper presents an ontology of natural language temporal expressions which occur in dialogues led by users of a public transport call center. It was elaborated on the basis of analysis of 500 transliterated dialogues and contains a multihierarchy of concepts representing semantics of time referring fragments of interlocutors' utterances. The paper contains also an analysis of frequencies of all types of time relevant expressions within the analyzed data.