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Finding Groups in Data: An Introduction to Cluster Analysis Leonard Kaufman, Peter J. Rousseeuw
Publisher: Wiley-Interscience

Introduction to Classification. Maybe you have a table with all your customers, for each . SIAM J Comput 1982, 11(4):721-736. Imaging you have your data in a database. The exponential accumulation of DNA and protein sequencing data has demanded efficient tools for the comparison, analysis, clustering, and classification of novel and annotated sequences [1,2]. Let me give you an example for an application first. The identification of the cluster centroid or the most representative [voucher or barcode] .. Clustering tries to find groups of data in a given dataset so that rows in the same group are more “similar” to each other than rows of different groups. So “Classification” – what's that? Kaufman L, Rousseeuw P: Finding Groups in Data: An Introduction to Cluster Analysis. It may disappoint you but there is no text understanding and very little semantic analysis in place.