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» Computing Iceberg Queries Efficiently
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CINQ
2004
Springer
116views Database» more  CINQ 2004»
14 years 1 months ago
A Survey on Condensed Representations for Frequent Sets
Abstract. Solving inductive queries which have to return complete collections of patterns satisfying a given predicate has been studied extensively the last few years. The specific...
Toon Calders, Christophe Rigotti, Jean-Franç...
TKDE
2008
378views more  TKDE 2008»
13 years 10 months ago
Modeling Image Data for Effective Indexing and Retrieval in Large General Image Databases
In this paper, we propose an image semantic model based on the knowledge and criteria in the field of linguistics and taxonomy. Our work bridges the "semantic gap" by sea...
Xiaoyan Li, Lidan Shou, Gang Chen, Tianlei Hu, Jin...
CGF
2000
110views more  CGF 2000»
13 years 10 months ago
Directional Discretized Occluders for Accelerated Occlusion Culling
We present a technique for accelerating the rendering of high depth-complexity scenes. In a preprocessing stage, we approximate the input model with a hierarchical data structure ...
Fausto Bernardini, James T. Klosowski, Jihad El-Sa...
SIGMOD
2008
ACM
236views Database» more  SIGMOD 2008»
14 years 10 months ago
Approximate embedding-based subsequence matching of time series
A method for approximate subsequence matching is introduced, that significantly improves the efficiency of subsequence matching in large time series data sets under the dynamic ti...
Vassilis Athitsos, Panagiotis Papapetrou, Michalis...
ICDE
2006
IEEE
266views Database» more  ICDE 2006»
14 years 11 months ago
Approximation Techniques for Indexing the Earth Mover's Distance in Multimedia Databases
Todays abundance of storage coupled with digital technologies in virtually any scientific or commercial application such as medical and biological imaging or music archives deal w...
Ira Assent, Andrea Wenning, Thomas Seidl