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Abstract of Jussi Karlgren



Jussi Karlgren, a computational linguist by training, has worked with aspects of usage of information sources in digital information access experiments for the last ten years. His interest is in gaining a closer understanding of the communication process between author and reader through the mediation of information or other forms of discourse -- with the understanding that it is near impossible to improve the overly generalized but consistently mediocre information access systems of today unless the design of systems is based on 1) an informed analysis of usage, context, situation and domain as well as 2) a deeper analysis of the content of the information flow. His research activities have encompassed the study of reading and text assessment, especially in the cross-lingual case, and the study of textual information flow, especially non-topical analysis of textual information.

Jussi Karlgren received a Candidate of Philosophy degree in Computational Linguistics and Mathematics in 1988, a Licentiate of Philosophy degree in Computer and Systems Sciences 1992, and a Doctor of Philosophy degree in Computational Linguistics in 2000 - all at Stockholm university. Since 2006, he is an Adjoint Professor of Language Technology at the University of Helsinki. He has since 1990 been employed at SICS, the Swedish Institute of Computer Science, in various instantiations of the Language and Interaction laboratory. He has has previously worked at SISU, the Swedish Institute for System Development, been a visiting student at Columbia University, a programming assistant at Xerox PARC, and an assistant research scientist in the PROTEUS project at New York University. During the academic years 97-99 Karlgren substituted for Kimmo Koskenniemi as professor of computational linguistics in Helsinki and has also taught and supervised students at Stockholm University and at the Royal Institute of Technology in Stockholm. Karlgren coordinated a EU funded research project in the fifth Frame Program. In addition he is a member of the board of the Joint Group for Swedish Computer Terminology. He is spending the winter of 2007-08 as a visiting researcher at Yahoo! Research in Barcelona.

The past years, his major research project has been to experiment with non-topic information retrieval. The idea is to complement standard information retrieval metrics which are based on a shallow semantic analysis with a genre analysis and a usage or text ecology analysis.