Efficient bilingual lexicon extraction from comparable corpora based on formal concepts analysis. (4th January 2023)

• Record Type: Journal Article
• Authors: Chebel, Mohamed; Latiri, Chiraz; Gaussier, Eric
• Is Part Of: Natural language engineering. Volume 29:Number 1(2023)
• Page Start: 138
• Page End: 161
• Publication Date: 2023-01-04
• Subjects: Corpus linguistics -- Evaluation -- Information extraction -- Information retrieval -- Multilinguality; Natural language processing (Computer science) -- Periodicals; Software engineering -- Periodicals; 006.35
• DOI: 10.1017/S135132492100022X
• Languages: English
• ISSNs: 1351-3249

Abstract

Abstract: Bilingual corpora are an essential resource used to cross the language barrier in multilingual natural language processing tasks. Among bilingual corpora, comparable corpora have been the subject of many studies as they are both frequent and easily available. In this paper, we propose to make use of formal concept analysis to first construct concept vectors which can be used to enhance comparable corpora through clustering techniques. We then show how one can extract bilingual lexicons of improved quality from these enhanced corpora. We finally show that the bilingual lexicons obtained can complement existing bilingual dictionaries and improve cross-language information retrieval systems.