Information Retrieval performance measures are usually retrospective in nature, representing the effectiveness of an experimental process. However, in the scien

This book constitutes the refereed proceedings of the 11th International Conference on String Processing and Information Retrieval, SPIRE 2004, held in Padova,

Class-tested and coherent, this textbook teaches classical and web information retrieval, including web search and the related areas of text classification and

Many information retrieval (IR) systems suffer from a radical variance in performance when responding to users' queries. Even for systems that succeed very well

I write with pleasurethis forewordto the proceedings of the 7th workshopof the Initiative for the Evaluation of XML Retrieval (INEX). The increased adoption of