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Paradox in applications of semantic similarity models in information retrieval

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Authors
Dong, Hai
Hussain, Farookh Khadeer
Chang, Elizabeth
Date
2008
Type
Conference Paper

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Dong, Hai and Hussain, Farookh Khadeer and Chang, Elizabeth. 2008. Paradox in applications of semantic similarity models in information retrieval, in Ulieru, M. (ed), IT Revolutions 2008, Dec 17 2008, Venice, Italy: Institute of Electrical and Electronics Engineers (IEEE).
Source Title
Proceedings of the IT Revolutions 2008
Source Conference
IT Revolutions 2008
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Curtin Business School
Centre for Extended Enterprises and Business Intelligence
School of Information Systems
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Abstract

Semantic similarity models are a series of mathematical models for computing semantic similarity values among nodes in a semantic net. In this paper we reveal the paradox in the applications of these semantic similarity models in the field of information retrieval, which is that these models rely on a common prerequisite ? the words of a user query must correspond to the nodes of a semantic net. In certain situations, this sort of correspondence cannot be carried out, which invalidates the further working of these semantic similarity models. By means of two case studies, we analyze these issues. In addition, we discuss some possible solutions in order to address these issues. Conclusion and future works are drawn in the final section.