EXPLOITING N-GRAM IMPORTANCE AND WIKIPEDIA BASED ADDITIONAL KNOWLEDGE FOR IMPROVEMENTS IN GAAC BASED DOCUMENT CLUSTERING

Niraj Kumar, Venkata Vinay Babu Vemula, Kannan Srinathan, Vasudeva Varma

Abstract

This paper provides a solution to the issue: “How can we use Wikipedia based concepts in document clustering with lesser human involvement, accompanied by effective improvements in result?” In the devised system, we propose a method to exploit the importance of N-grams in a document and use Wikipedia based additional knowledge for GAAC based document clustering. The importance of N-grams in a document depends on a many features including, but not limited to: frequency, position of their occurrence in a sentence and the position of the sentence in which they occur, in the document. First, we introduce a new similarity measure, which takes the weighted N-gram importance into account, in the calculation of similarity measure while performing document clustering. As a result, the chances of topical similarity in clustering are improved. Second, we use Wikipedia as an additional knowledge base both, to remove noisy entries from the extracted N-grams and to reduce the information gap between N-grams that are conceptually-related, which do not have a match owing to differences in writing scheme or strategies. Our experimental results on the publicly available text dataset clearly show that our devised system has a significant improvement in performance over bag-of-words based state-of-the-art systems in this area.

References

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Paper Citation


in Harvard Style

Kumar N., Vinay Babu Vemula V., Srinathan K. and Varma V. (2010). EXPLOITING N-GRAM IMPORTANCE AND WIKIPEDIA BASED ADDITIONAL KNOWLEDGE FOR IMPROVEMENTS IN GAAC BASED DOCUMENT CLUSTERING . In Proceedings of the International Conference on Knowledge Discovery and Information Retrieval - Volume 1: KDIR, (IC3K 2010) ISBN 978-989-8425-28-7, pages 182-187. DOI: 10.5220/0003081201820187


in Bibtex Style

@conference{kdir10,
author={Niraj Kumar and Venkata Vinay Babu Vemula and Kannan Srinathan and Vasudeva Varma},
title={EXPLOITING N-GRAM IMPORTANCE AND WIKIPEDIA BASED ADDITIONAL KNOWLEDGE FOR IMPROVEMENTS IN GAAC BASED DOCUMENT CLUSTERING },
booktitle={Proceedings of the International Conference on Knowledge Discovery and Information Retrieval - Volume 1: KDIR, (IC3K 2010)},
year={2010},
pages={182-187},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003081201820187},
isbn={978-989-8425-28-7},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Knowledge Discovery and Information Retrieval - Volume 1: KDIR, (IC3K 2010)
TI - EXPLOITING N-GRAM IMPORTANCE AND WIKIPEDIA BASED ADDITIONAL KNOWLEDGE FOR IMPROVEMENTS IN GAAC BASED DOCUMENT CLUSTERING
SN - 978-989-8425-28-7
AU - Kumar N.
AU - Vinay Babu Vemula V.
AU - Srinathan K.
AU - Varma V.
PY - 2010
SP - 182
EP - 187
DO - 10.5220/0003081201820187