The Role of Different Types of Homograph Contexts in Measuring Documents Similarities

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SOTUDEH HAJAR; Houshyar Mojgan

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Information Processing & Management Year:2018 | Volume:33 | Issue:3 Page(s): 1195-1220

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Title

The Role of Different Types of Homograph Contexts in Measuring Documents Similarities

Author(s)

SOTUDEH HAJAR | Houshyar Mojgan | Issue Writer Certificate

Keywords

HomographsQ1

SimilarityQ1

Word Sense DisambiguationQ1

Title ContextQ1

Reference-Title ContextQ1

Text-Citation ContextQ1

Text ContextQ2

Reference ContextQ2

Discriminant AnalysisQ2

Abstract

Automatic information retrieval is based on the assumption that texts contain content or structural elements that can be used in Word Sense Disambiguation and thereby improving the effectiveness of the results retrieved. Homographs are among the words requiring sense disambiguation. Depending on their roles and positions in texts, homograph contexts could be divided to different types, with probably different potency in determination of Similarity of documents. Using a content analysis method, the present research aims to compare the powers of five kinds of contexts including text citations, references, reference titles, paper titles and texts in homograph sense disambiguation. Applying a content analysis method, the present paper concentrates on a document test collection built on English Homographs by choosing a sample consisted of 3637 articles containing 19 Homographs about 54 subjects published during 2000-2015. Discriminant Analysis was used to determine the Similarity within or differentiation between the 54 document clusters. According to the results of the discriminant analyses carried out within each of the clusters, sub-clusters of documents can be observed, though with a very little differentiation in terms of the homograph contexts. Textcitation and Reference Contexts are revealed to have minimum role in differentiating between the documents within the clusters. Documents containing synonymous Homographs form clusters within which documents are rather similar in terms of their homograph contexts. Furthermore, homograph context types are not equ al in their power to determine similarities. Text-Citation Context and Reference Context types showed the highest degree of similarities within the clusters. These two context types, which show high Similarity within clusters, can be used to improve retrieval results. It is suggested that the results of the comparison of these two contexts can be used as a tool for secondary ranking or clustering of information retrieval results. This is the first research of its kind to define different Text Contexts and compare them in terms of their power to determine Similarity of texts containing synonymous Homographs.

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APA: Copy

SOTUDEH, HAJAR, & Houshyar, Mojgan. (2018). The Role of Different Types of Homograph Contexts in Measuring Documents Similarities. IRANIAN JOURNAL OF INFORMATION PROCESSING & MANAGEMENT (INFORMATION SCIENCES AND TECHNOLOGY), 33(3 ), 1195-1220. SID. https://sid.ir/paper/378632/en

Vancouver: Copy

SOTUDEH HAJAR, Houshyar Mojgan. The Role of Different Types of Homograph Contexts in Measuring Documents Similarities. IRANIAN JOURNAL OF INFORMATION PROCESSING & MANAGEMENT (INFORMATION SCIENCES AND TECHNOLOGY)[Internet]. 2018;33(3 ):1195-1220. Available from: https://sid.ir/paper/378632/en

IEEE: Copy

HAJAR SOTUDEH, and Mojgan Houshyar, “The Role of Different Types of Homograph Contexts in Measuring Documents Similarities,” IRANIAN JOURNAL OF INFORMATION PROCESSING & MANAGEMENT (INFORMATION SCIENCES AND TECHNOLOGY), vol. 33, no. 3 , pp. 1195–1220, 2018, [Online]. Available: https://sid.ir/paper/378632/en

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