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Logic-based Temporal Inferences in Natural Language

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Authors
Lee, Hsiu-Hui; Lin, I-Peng; Wu, Chien-Ping
Issue Date
1991
Publisher
서울대학교 언어교육원
Citation
어학연구, Vol.27 No.2, pp. 319-335
Abstract
This paper concerns temporal inferences in natural language. The concept of time is crucially important because of its highly frequent use in utterances. However, time can appear in numerous forms, for example,
tense or time adverbials. It also may be implicitly specified by other events associating with some temporal conjunctions, such as when, before, after, etc. A logic-based approach is adopted to represent temporal information. Situations and time adverbials can be formally represented. Lexical knowledge about time and implications of situations also expressed in terms of logical clauses. Then we propose a temporal reasoning model. Various basic types of questions such as "When did event X happen?", "How long did event X last for?", "Did event X happen at time expression T?", etc. can be interpreted into temporal queries. Finally, we also use the same framework of logic to evaluate temporal queries, carry out computation and do the further deduction.
ISSN
0254-4474
Language
English
URI
https://hdl.handle.net/10371/85923
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Language Education Institute (언어교육원)Language Research (어학연구)Language Research (어학연구) Volume 27 Number 1/4 (1991)
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