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2. Current approaches to classification and clump-finding at the CLRU;Jones;Comput. J.,1967
3. Is automatic classification a reasonable application of statistical analysis of text?;Doyle;J. Ass. comput. Mach.,1965
4. The use of the theory of clumps for information retrieval;Jones;Report on the OSTI-supported project at the Cambridge Language Research Unit, ML 200,1967
5. The SMART automatic document retrieval system—an illustration;Salton;Comm. Ass. Comput. Mach.,1965