Campus Event Calendar
Event Entry
What and Who
Computing Meaning from Text
Caroline Sporleder
Talk
AG 1, AG 2, AG 3, AG 4, AG 5, SWS, RG1, RG2
Public Audience
English
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Date, Time and Location
Wednesday, 12 November 2008
13:30
30 Minutes
E1 4
024
Saarbrücken
Abstract
To arrive at natural models of interaction, computer systems need to be equipped with the means to efficiently process language and extract meaning from it. However, computing the meaning of an utterance is a complex task, which involves various linguistic levels, e.g. the lexical meaning of individual words, the semantic argument structure of clauses and sentences (who did what to whom?), the discourse context (how does a sentence relate to its neighbouring sentences?), and finally the situational and intentional context (who is speaking/listening? what does the speaker want to achieve by making an utterance?).
In the junior research group on ``Computational Modelling of Discourse and Semantics'' we aim to address this task, focussing on the development of integrated models, which bridge the gap between different levels of linguistic structure. One area where two levels of linguistic structure interact is in the recognition of idioms, such as "spill the beans" or "let the cat out of the sack". While idioms are often treated as a phenomenon of lexical semantics, I will show how discourse structure contributes to the interpretation of an idiomatic expression and how this can be exploited to automatically detect idiomatic (i.e. non-literal) language use in a text.
Contact
Bahareh Kadkhodazadeh
0681-302-70156
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Bahareh Kadkhodazadeh, 11/05/2008 15:22 -- Created document.