This volume reports the results of the fourth campaign of the Cross Language Evaluation Forum (CLEF). This campaign consisted of a number of comparative evaluations for multilingual systems (and system components) performing document retrieval (on open-domain or domain-specific collections, and involving both batch and interactive systems), and for cross-language question answering, image and spoken document retrieval.
KeywordsImage Retrieval Question Answering Document Retrieval Text Retrieval Multilingual Text
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