The CLEF Test Suite contains the data used for the main tracks of the CLEF campaigns carried out from 2000 to 2003: Multilingual text retrieval, Bilingual text retrieval, Monolingual text retrieval, and Domain-specific text retrieval. The CLEF Test Suite is composed of: • The multilingual document collections; • A Step-by-Step documentation on how to perform a system evaluation (EN); • Tools for results computation; • Multilingual Sets of topics; • Multilingual Sets of relevance assessments; • Guidelines for participants (in English); • Tables of the results obtained by the participants; • Publications. Multilingual corpora: • English • French • German • Italian • Spanish • Dutch • Swedish • Finnish • Russian • Portuguese The data consists of 1.62 Gb stored on 1 DVD.