John I. Tait Preface.- Mark T. Maybury Karen Spärck Jones.- Yorick A. Wilks and John I. Tait A Retrospective View of Synonymy and Semantic Classification.- Stephen Robertson On the Early History of Evaluation in IR.- C.J. van Rijsbergen The Emergence of Probabilistic Accounts of Information Retrieval.- Martin F. Porter Lovins Revisited.-Donna Harman The History of IDF and its Influences on IR and Other Fields.- Gareth J. F. Jones Beyond English Text: Multilingual and Multimedia Information Retrieval.- Mark T. Maybury Karen Spärck Jones and Summarization.- Arthur W.S. Cater Question Answering.- A. Copestake and E.J. Briscoe Noun Compounds Revisited.- Stephen G. Pulman Lexical Decomposition: For and Against.- Donna Harman The Importance of Focused Evaluations: a Case Study of TREC and DUC.- Robert Gaizauskas and Emma J. Barker Mice from a Mountain: Reflections on Current Issues in Evaluation of Written Language Technology.- Peter Willett The Evaluation of Retrieval Effectiveness in Chemical Database Searching.- Yorick A. Wilks Unhappy bedfellows: the relationship of AI and IR.- Index.