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ACM SIGIR 2004 WORKSHOP ON MATHEMATICAL/FORMAL METHODS IN INFORMATION RETRIEVAL MF/IR 2004 OBJECTIVE The previous four workshops (ACM SIGIR MF/IR 2000, Athens, Greece; ACM SIGIR MF/IR 2001, New Orleans, USA; ACM SIGIR MF/IR 2002, Tampere, Finland; ACM SIGIR MF/IR 2003, Toronto, Canada) showed that the mathematical/formal results achieved in Information Retrieval (IR) could be organized into a coherent theoretical framework, that they brought new knowledge to IR, and that mathematical/formal research in IR has established itself as a specialized research area of IR. The increased attendance and rising interest indicate that MF/IR is viable. The purpose of the MF/IR 2004 workshop is, on the one hand, to continue and enhance the results obtained so far, and on the other hand, to present, discuss, analyze, integrate the newer/newest results. Therefore MF/IR 2004 aims at promoting discussion and interaction among those with theoretical and applicative research interests in mathematical/formal aspects of Information Retrieval coming from a ľ potentially and relatively ľ large spectrum of different IR fields, and also at being a forum for the presentation of both theoretical and applicative results (e.g., foundational issues; description and/or integration of models; retrieval applications; mathematical/formal techniques, properties and structures in IR; existing and/or new theories and theoretical aspects). There will be paper presentations, and it is planned to have an invited speaker. Although the presentations should follow a conference style, however, interaction and discussion are also of primary importance. The presentations will be followed by a Discussion Panel, which has been very successful in the previous MF/IR workshops. Due to high interest in this workshop in previous years, paper presentations will be selected on a peer review basis, just as in previous workshops. Due to time constraints (one day workshop), the number of presentations seems to be limited to around 15 papers, whereas the number of participants between 30 and 40. The members of the PC usually attend the workshop. It was also very important to see in previous workshops that more and more young researchers attended, and also more and more new research groups seemed to establish themselves in the field of MF/IR. The previous MF/IR workshops have been successful also financially, and got good rating from participants. The best papers from the four previous MF/IR events, once enhanced and revised, were selected for publication in special topic issues by the Journal of the American Society of Information Science and Technology, Journal of Information Retrieval, and Information Processing & Management. TOPICS OF INTEREST Contributions are solicited dealing with, but not limited to, the following areas: Information Retrieval Information Filtering Information Mining Indexing and Retrieval Hypermedia World Wide Web Retrieval Digital Libraries Evaluation User Modeling, and User Tasks Semantic Web and Ontologies Web Link Topology where the different entities involved (e.g., documents, queries, relevance, effectiveness, users, etc.) are modeled using any of, but not necessarily limited to, the following approaches: Classical Sets Fuzzy Sets Rough Sets Vectors Linear Space Similarity Functions Probability Theory of Uncertainty Functional Analysis Algebra Topology Metric Spaces Euclidean Geometry Non-Euclidean Geometries Boolean Logic Non-standard Logics Fuzzy Logic Quantum Logic Matroid Theory Graph Theory Theory of Computation Recursion Theory Information Theory Artificial Intelligence Statistical and Physical Methods WORKSHOP CHAIRS · Sandor Dominich (University of Veszprém, Hungary) · C.J. “Keith” van Rijsbergen (University of Glasgow, Scotland, U.K.) PROGRAM COMMITTEE · Peter Bruza (Distr. Sys. Tech. Centre, Queensland, Australia) · Steven Cater (Kettering University, U.S.A.) · Fabio Crestani (University of Strathclyde, Scotland) · Sandor Daranyi (University of Gothenburg, Boras, Sweden) · Leo Egghe (Limburgs Universitair Centrum, Belgium) · Norbert Fuhr (University of Dortmund, Germany) · Donald H. Kraft (Louisiana State University, Baton Rouge, U.S.A.) · Eduard Hoenkamp (A.C.M., the Netherlands) · Theo Huibers (KPMG Bus. Adv. Serv., the Netherlands) · April Konthostathis (Ursinus College, U.S.A.) · Mounia Lalmas (Queen Mary London, U.K.) · David Losada (University of Corunna, Spain) · Jian-Yun Nie (University of Montreal, Canada) · Gabriella Pasi (ITIM-CNR, Milan, Italy) · Vijay Raghavan (University of Louisiana at Lafayette, U.S.A.) · Michael Wong (University of Regina, Canada SUBMISSION Submitted papers should be of at most 15 normal (A4) pages in length. Please submit the paper in PDF or PS by e-mail to the following e-mail address [log in to unmask] using "MF/IR 2004 Submission" as the e-mail subject line. The format for the paper should follow a usual format in IR publishing. All submissions will be reviewed by two referees. All accepted papers will be made available in a printed and/or electronic proceedings. It is planned that a selected number of accepted papers, once expanded and revised, be included in a post-workshop journal issue. CORRESPONDENCE Direct correspondence, inquires and submissions relating to this workshop should be addressed to: Sandor Dominich, e-mail: [log in to unmask] IMPORTANT DATES Submission of papers: 31 May 2004 Notification of acceptance: 15 June 2004 Final submission: 30 June 2004 FURTHER INFORMATION Further information can be found on the SIGIR 2004 Web site at http://www.sigir2004.org/