Classification as a Tool for Research: Proceedings of the by Sanjoy Dasgupta (auth.), Hermann Locarek-Junge, Claus Weihs

By Sanjoy Dasgupta (auth.), Hermann Locarek-Junge, Claus Weihs (eds.)

Clustering and class, information research, info dealing with and company Intelligence are examine parts on the intersection of records, arithmetic, laptop technology and synthetic intelligence. They disguise basic equipment and methods that may be utilized to an unlimited set of purposes resembling in company and economics, advertising and finance, engineering, linguistics, archaeology, musicology, biology and clinical technological know-how. This quantity comprises the revised types of chosen papers provided throughout the 11th Biennial IFCS convention and 33rd Annual convention of the German class Society (Gesellschaft für Klassifikation - GfKl). The convention was once geared up in cooperation with the overseas Federation of category Societies (IFCS), and used to be hosted via Dresden college of know-how, Germany, in March 2009.

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Additional info for Classification as a Tool for Research: Proceedings of the 11th IFCS Biennial Conference and 33rd Annual Conference of the Gesellschaft für Klassifikation e.V., Dresden, March 13-18, 2009

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1 The Curse of Dimension for Spatial Data Structures A k-d tree (Bentley 1975) is a spatial data structure that partitions RD into hyperrectangular cells. It is built in a recursive manner, splitting along one coordinate direction at a time (Fig. 1, left). The succession of splits corresponds to a binary tree whose leaves contain the individual cells in RD . Hierarchical Clustering with Performance Guarantees q 5 q Fig. 1 Left: A spatial partitioning of R2 induced by a k-d tree with three levels.

Learning the structure of manifolds using random projections. Advances in Neural Information Processing Systems, 20, Vancouver, British Columbia, Canada. González, T. F. (1985). Clustering to minimize the maximum intercluster distance. Theoretical Computer Science, 38, 293–306. , & Neuhoff, D. (1998). Quantization. IEEE Transactions on Information Theory, 44(6), 2325–2383. Kpotufe, S. (2009). Escaping the curse of dimensionality with a tree-based regressor. Conference on Learning Theory. Montreal, Quebec, Canada.

X; r/ for some x 2 C . Our theorem gives an upper bound on the rate at which the radius of cells in an RP tree decreases as one moves down the tree. Theorem 1 (Dasgupta and Freund 2008). There is a constant c1 with the following property. C /=2. There is no dependence at all on the extrinsic dimension D. Since they were introduced, RP trees have been shown to yield algorithms for tree-based vector quantization (Dasgupta and Freund 2009) and regression (Kpotufe 2009) that are adaptive to intrinsic low dimensionality.

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