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内容説明 This book constitutes the thoroughly refereed postproceedings of the 7th Workshop of the Cross-Language Evaluation Forum， CLEF 2006， held in Alicante， Spain， September 20-22， 2006. The revised papers presented together with an introduction were carefully reviewed and selected for inclusion in the book. The papers are organized in topical sections on Multilingual Textual Document Retrieval， Domain-Specifig Information Retrieval， i-CLEF， QA@CLEF， ImageCLEF， CLSR， WebCLEF and GeoCLEF.