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» Supporting Exploratory Queries in Databases
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MTA
1998
119views more  MTA 1998»
13 years 8 months ago
A New Indexing Scheme for Content-Based Image Retrieval
We propose a new efficient indexing scheme, called the HG-tree, to support content-based retrieval in image databases. Image content is represented by a point in a multidimensional...
Guang-Ho Cha, Chin-Wan Chung
TVCG
2012
178views Hardware» more  TVCG 2012»
11 years 11 months ago
Human Motion Retrieval from Hand-Drawn Sketch
—The rapid growth of motion capture data increases the importance of motion retrieval. The majority of the existing motion retrieval approaches are based on a labor-intensive ste...
Min-Wen Chao, Chao-Hung Lin, Jackie Assa, Tong-Yee...
PODS
2009
ACM
86views Database» more  PODS 2009»
14 years 9 months ago
Reverse data exchange: coping with nulls
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
DOLAP
2003
ACM
14 years 2 months ago
Achieving adaptivity for OLAP-XML federations
Motivated by the need for more flexible OLAP systems, this paper presents work on logical integration of external data in OLAP databases, carried out in cooperation between the D...
Dennis Pedersen, Torben Bach Pedersen
MM
2003
ACM
113views Multimedia» more  MM 2003»
14 years 2 months ago
R-Histogram: quantitative representation of spatial relations for similarity-based image retrieval
Representation of relative spatial relations between objects is required in many multimedia database applications. Quantitative representation of spatial relations taking into acc...
Yuhang Wang, Fillia Makedon