The information retrieval tool presented in this report is intended to be used by research people having to represent the content of their papers or inquiries with the help of keywords belonging to the vocabulary of multicriteria decision aid. This tool has been developed in the framework of the European Working Group "Multicriteria Aid for Decisions" of the Association of European Operational Research Societies (EURO). The work of 16 experts from 8 different countries (Belgium, France, Great-Britain, Greece, Italy, Poland, Switzerland, United States of America) resulted in a multilingual thesaurus providing more than 400 terms. The English version of this thesaurus is presented in this report, a French version has been completed already (VAN ASBROECK & CHAMP-BRUNET, 1993). The thesaurus is an alphabetical list of terms showing each term, in its linguistic equivalence and its relationship to other terms. English-French and French-English indexes are provided in order to help the searcher find information.
Keywords : multicriterion decision aid, bilingual thesaurus, index generation, information retrieval, documentology.