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    Abstract
2012 (Vol. 4, Issue: 19)
Article Information:

Improvement Tfidf for News Document Using Efficient Similarity

Abdolkarim Elahi, Reza Javanmard Alitappeh and Ali Shokouhi Rostami
Corresponding Author:  Hamid Alinejad-Rokny 

Key words:  Neighbor, news document clustering, link function, weighting improvement, , ,
Vol. 4 , (19): 3592-3600
Submitted Accepted Published
January 30, 2012 March 10, 2012 October 01, 2012
Abstract:

This study proposed a new method about clustering in documents. Clustering is a very powerful data mining technique for topic discovery from documents. In document clustering, it must be more similarity between intra-document and less similarity between intra-document of two clusters. The cosine function measures the similarity of two documents. When the clusters are not well separated, partitioning them just based on the pair wise is not good enough because some documents in different clusters may be similar to each other and the function is not efficient. To solve this problem, a measurement of the similarity in concept of neighbors and links is used. In this study, an efficient method for measurement of the similarity with a more accurate weighting in bisecting k-means algorithms is proposed. Having evaluated by the data set of documents, the efficiency is compared with the cosine similarity criterion and traditional methods. Experimental results show an outstanding improvement in efficiency by applying the proposed criterion.
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  Cite this Reference:
Abdolkarim Elahi, Reza Javanmard Alitappeh and Ali Shokouhi Rostami, 2012. Improvement Tfidf for News Document Using Efficient Similarity.  Research Journal of Applied Sciences, Engineering and Technology, 4(19): 3592-3600.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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