Experiments with Cross-Language Information Retrieval on a Health Portal for Psychology and Psychotherapy

Andrenucci, AndreaStockholms universitet,Institutionen för data- och systemvetenskap (författare)

Few studies have been performed within cross-language information retrieval (CLIR) in the field of psychology and psychotherapy. The aim of this paper is to to analyze and assess the quality of available query translation methods for CLIR on a health portal for psychology. A test base of 100 user queries, 50 Multi Word Units (WUs) and 50 Single WUs, was used. Swedish was the source language and English the target language. Query translation methods based on machine translation (MT) and dictionary look-up were utilized in order to submit query translations to two search engines: Google Site Search and Quick Ask. Standard IR evaluation measures and a qualitative analysis were utilized to assess the results. The lexicon extracted with word alignment of the portal's parallel corpus provided better statistical results among dictionary look-ups. Google Translate provided more linguistically correct translations overall and also delivered better retrieval results in MT.

Stockholms universitetInstitutionen för data- och systemvetenskap (creator_code:org_t)

Ingår i:Exploring Complexity in Health: IOS Press, s. 75-7997816149967749781614996781

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