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ICDM
2003
IEEE
138views Data Mining» more  ICDM 2003»
15 years 3 months ago
PixelMaps: A New Visual Data Mining Approach for Analyzing Large Spatial Data Sets
PixelMaps are a new pixel-oriented visual data mining technique for large spatial datasets. They combine kerneldensity-based clustering with pixel-oriented displays to emphasize c...
Daniel A. Keim, Christian Panse, Mike Sips, Stephe...
WADS
2007
Springer
128views Algorithms» more  WADS 2007»
15 years 4 months ago
Approximate Range Searching: The Absolute Model
Range searching is a well known problem in the area of geometric data structures. We consider this problem in the context of approximation, where an approximation parameter ε >...
Guilherme Dias da Fonseca
CAISE
2003
Springer
15 years 3 months ago
On the Applicability of Rules to Automate Data Warehouse Logical Design
Data Warehouse logical design involves the definition of structures that enable an efficient access to information. The designer builds relational or multidimensional structures ta...
Verónika Peralta, Alvaro Illarze, Raul Rugg...
TSP
2010
14 years 4 months ago
Double sparsity: learning sparse dictionaries for sparse signal approximation
Abstract--An efficient and flexible dictionary structure is proposed for sparse and redundant signal representation. The proposed sparse dictionary is based on a sparsity model of ...
Ron Rubinstein, Michael Zibulevsky, Michael Elad
WAIM
2007
Springer
15 years 4 months ago
CoXML: A Cooperative XML Query Answering System
Abstract. The heterogeneity nature of XML data creates the need for approximate query answering. In this paper, we present an XML system that cooperates with users to provide user-...
Shaorong Liu, Wesley W. Chu