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Ingeniare. Revista chilena de ingeniería

versión On-line ISSN 0718-3305


COBO, Ángel  y  ROCHA, Rocío. Identification of related multilingual documents using ant clustering algorithms. Ingeniare. Rev. chil. ing. [online]. 2011, vol.19, n.3, pp.351-358. ISSN 0718-3305.

This paper presents a document representation strategy and a bio-inspired algorithm to cluster multilingual collections of documents in the field of economics and business. The proposed approach allows the user to identify groups of related economics documents written in Spanish and English using techniques inspired on clustering and sorting behaviours observed in some types of ants. In order to obtain a language independent vector representation of each document two multilingual resources are used: an economic glossary and a thesaurus. Each document is represented using four feature vectors: words, proper names, economic terms in the glossary and thesaurus descriptors. The proper name identification, word extraction and lemmatization are performed using specific tools. The tf-idf scheme is used to measure the importance of each feature in the document, and a convex linear combination of angular separations between feature vectors is used as similarity measure of documents. The paper shows experimental results of the application of the proposed algorithm in a Spanish-English corpus of research papers in economics and management areas. The results demonstrate the usefulness and effectiveness of the ant clustering algorithm and the proposed representation scheme.

Palabras clave : Clustering; ant-based algorithms; multilingual documents; text mining; document management.

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