Document (#38643)

Author

Montalvo, S.
Martínez, R.
Fresno, V.
Delgado, A.

Title

Exploiting named entities for bilingual news clustering

Source

Journal of the Association for Information Science and Technology. 66(2015) no.2, S.363-376

Year

2015

Abstract

In this article, we present a new algorithm for clustering a bilingual collection of comparable news items in groups of specific topics. Our hypothesis is that named entities (NEs) are more informative than other features in the news when clustering fine grained topics. The algorithm does not need as input any information related to the number of clusters, and carries out the clustering only based on information regarding the shared named entities of the news items. This proposal is evaluated using different data sets and outperforms other state-of-the-art algorithms, thereby proving the plausibility of the approach. In addition, because the applicability of our approach depends on the possibility of identifying equivalent named entities among the news, we propose a heuristic system to identify equivalent named entities in the same and different languages, thereby obtaining good performance.

Content

Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23175/abstract.

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