Verb Sense Disambiguation using Subordinating Case Information 


Vol. 18,  No. 4, pp. 241-248, Aug.  2011
10.3745/KIPSTB.2011.18.4.241


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  Abstract

Homographs can have multiple senses. In order to understand the meaning of a sentence, it is necessary to identify which sense is used for each word in the sentence. Previous researches on this problem heavily relied on the word co-occurrence information. However, we noticed that in case of verbs, information about subordinating cases of verbs can be utilized to further improve the performance of word sense disambiguation. Different senses require different sets of subordinating cases. In this paper, we propose the verb sense disambiguation using subordinating case information. The case information acquire postposition features in Standard Korean Dictionary. Our experiment on 12 high-frequency verb homographs shows that adding case information can improve the performance of word sense disambiguation by 1.34%, from 97.3% to 98.7%. The amount of improvement may seem marginal, we think it is meaningful because the error ratio reduced to less than a half, from 2.7% to 1.3%.

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[IEEE Style]

Y. S. Park, J. C. Shin, C. Y. Ock, H. R. Park, "Verb Sense Disambiguation using Subordinating Case Information," The KIPS Transactions:PartB , vol. 18, no. 4, pp. 241-248, 2011. DOI: 10.3745/KIPSTB.2011.18.4.241.

[ACM Style]

Yo Sep Park, Joon Choul Shin, Cheol Young Ock, and Hyuk Ro Park. 2011. Verb Sense Disambiguation using Subordinating Case Information. The KIPS Transactions:PartB , 18, 4, (2011), 241-248. DOI: 10.3745/KIPSTB.2011.18.4.241.

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