Language Technology Seminar Series
Title: Interpreting Semantic Relations in Noun Compounds via Verb Semantics
Speaker: Sun Nam Kim (University of Melbourne)
Location: ICT Building, Room 2.06
Date: 23 June 2006
Time: 12-1pm ** Note unusual time **
Compound nouns have the semantic relations between their head noun and modifier(s). For instance, with "apple pie",
we can find "MAKE" semantics between apple and pie from the relaion, "pie made by apple".
This lexical information is useful for several NLP applications such as question-answering system and machine
In this work, we propose a novel method for automatically interpreting compound nouns based on a predefined set of
semantic relations. First we map verb tokens in sentential contexts to a fixed set of seed verbs using
WordNet::Similarity and Moby's Thesaurus. We then match the sentences with semantic relations based on the
semantics of the seed verbs and grammatical roles of the head noun and modifier. Based on the semantics of the
matched sentences, we then build a classifier using Timbl 5.
The performance of our final system at interpreting NCs is 52.6%.
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