At present, numbers of tracks and workshops have been
introduced to support the research in cross-lingual IR area.
Cross-language Evaluation Forum (CLEF) is being
promoting research in multilingual system development
since 2000 and deals mainly with European languages. The
NTCIR (NII Test Collection for IR System) workshop
designed to enhance researches mainly in Japanese and other
Asian languages. Cross-language retrieval track was offered
at Text Retrieval Conference (TREC) only up to the year
2000 but it is still being studied in both CLEF and NTCIR.