Temporal and Event Information in Natural Language Text

In this paper, we discuss the role that temporal information plays in natural language text, specifically in the context of question answering systems. We define a descriptive framework with which we can examine the temporally sensitive aspects of natural language queries. We then investigate broadl...

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Bibliographic Details
Published in:Language Resources and Evaluation 2005-05, Vol.39 (2/3), p.123-164
Main Authors: Pustejovsky, James, Knippen, Robert, Littman, Jessica, Saurí, Roser
Format: Article
Language:English
Subjects:
Grammatical clauses
Grammatical tenses
Information economics
Knowledge bases
Linguistics
Natural language
Natural language processing
Programming languages
Questions
Rainy seasons
Ramadan
Reasoning
Specification and description languages
Temporal data
Text editing
Verbs
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Summary:In this paper, we discuss the role that temporal information plays in natural language text, specifically in the context of question answering systems. We define a descriptive framework with which we can examine the temporally sensitive aspects of natural language queries. We then investigate broadly what properties a general specification language would need, in order to mark up temporal and event information in text. We present a language, TimeML, which attempts to capture the richness of temporal and event related information in language, while demonstrating how it can play an important part in the development of more robust question answering systems.
ISSN:1574-020X
1572-8412
1574-0218
DOI:10.1007/s10579-005-7882-7