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	Ozkarahan, Esen     Options: All Media Types Journals Proceedings Div Books Whole Books Other Date Reviewed Title Author Publisher Published Date Descending Ascending Date Reviewed     1 - 4 of 4 reviews       Concepts and effectiveness of the cover-coefficient-based clustering methodology for text databases Can F. (ed), Ozkarahan E. ACM Transactions on Database Systems 15(3): 483-517, 1990.  Type: Article I have two points in response to the authors. First, they were correct in their statement about disjoint databases. R. Needham misunderstood their paper and offers his apologies. My second point concerns clustering for recall or precis...... Dec 1 1992     Computation of term/document discrimination values by use of the cover coefficient Can F. (ed), Ozkarahan E. Journal of the American Society for Information Science 38(3): 171-183, 1987.  Type: Article This paper reviews one method of calculating the term discrimination parameter (a measure of document separability). This method, the cosine coefficient, is compared with another method devised by the authors, the coverage coefficient....... Mar 1 1988     Database machines and database management Ozkarahan E., Prentice-Hall, Inc., Upper Saddle River, NJ, 1986.  Type: Book (9789780131960312) A field of research has reached a certain level of maturity when the first true textbook on the subject appears. This book is the first textbook on database machines. Ozkarahan, as a pioneer in database machine research, is well qualif...... Jun 1 1987     An integrated fact/document information system for office automation Ozkarahan E., Can F. (ed) Information Technology Research Development Applications 3(3): 142-156, 1984.  Type: Article In this article, Ozkarahan and Can attempt to combine relational database processing with document retrieval (textual searches) into a single, theoretical system. The paper is an extension of the research work done previously by the tw...... Oct 1 1985
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