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ICPR
2002
IEEE
16 years 7 months ago
Spatial Color Component Matching of Images
Color and color neighborhood statistics have been used extensively in image matching and retrieval. However, the effective incorporation of color layout information remains a chal...
Jianying Hu, Efstathios Hadjidemetriou
GIS
2007
ACM
16 years 7 months ago
Cluster By: a new sql extension for spatial data aggregation
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
Chengyang Zhang, Yan Huang
PODS
2009
ACM
134views Database» more  PODS 2009»
16 years 7 months ago
Equivalence of nested queries with mixed semantics
We consider the problem of deciding query equivalence for a conjunctive language in which queries output complex objects composed from a mixture of nested, unordered collection ty...
David DeHaan
KDD
2008
ACM
142views Data Mining» more  KDD 2008»
16 years 6 months ago
Weighted graphs and disconnected components: patterns and a generator
The vast majority of earlier work has focused on graphs which are both connected (typically by ignoring all but the giant connected component), and unweighted. Here we study numer...
Mary McGlohon, Leman Akoglu, Christos Faloutsos
KDD
2005
ACM
139views Data Mining» more  KDD 2005»
16 years 6 months ago
Reasoning about sets using redescription mining
Redescription mining is a newly introduced data mining problem that seeks to find subsets of data that afford multiple definitions. It can be viewed as a generalization of associa...
Mohammed Javeed Zaki, Naren Ramakrishnan