This book constitutes the thoroughly refereed postproceedings of the 6th Workshop of the Cross-Language Evaluation Forum, CLEF 2005, held in Vienna, Austria in September 2005.

The 111 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, cross-language and more, monolingual experiments, domain-specific information retrieval, interactive cross-language information retrieval, multiple language question answering, cross-language retrieval in image collections, cross-language speech retrieval, multilingual Web track, cross-language geographical retrieval, and evaluation issues.

This book constitutes the refereed proceedings of the Second MICCAI Workshop on Medical Content-Based Retrieval for Clinical Decision Support, MCBR-CBS 2011, held in Toronto, Canada, in September 2011. The 11 revised full papers presented together with 2 invited talks were carefully reviewed and selected from 17 submissions. The papers are divided on several topics on medical image retrieval with textual approaches, visual word based approaches, applications and multidimensional retrieval.