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» Indexing the Distance: An Efficient Method to KNN Processing
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ISI
2008
Springer
13 years 7 months ago
Improving quality and performance of schema matching in large scale
ABSTRACT. Schema matching is a crucial task to gather information of the same domain. However, this process is still largely performed manually or semi-automatically, discouraging ...
Fabien Duchateau, Zohra Bellahsene, Mathieu Roche
ICDE
2009
IEEE
115views Database» more  ICDE 2009»
14 years 9 months ago
Efficient Evaluation of Multiple Preference Queries
Consider multiple users searching for a hotel room, based on size, cost, distance to the beach, etc. Users may have variable preferences expressed by different weights on the attri...
Leong Hou U, Nikos Mamoulis, Kyriakos Mouratidis
CAGD
2005
88views more  CAGD 2005»
13 years 7 months ago
An efficient bit allocation for compressing normal meshes with an error-driven quantization
We propose a new wavelet compression algorithm based on the rate-distortion optimization for densely sampled triangular meshes. Exploiting the normal remesher of Guskov et al., th...
Frédéric Payan, Marc Antonini
EDBT
2004
ACM
162views Database» more  EDBT 2004»
14 years 7 months ago
Non-contiguous Sequence Pattern Queries
Abstract. Non-contiguous subsequence pattern queries search for symbol instances in a long sequence that satisfy some soft temporal constraints. In this paper, we propose a methodo...
Nikos Mamoulis, Man Lung Yiu
CIVR
2008
Springer
204views Image Analysis» more  CIVR 2008»
13 years 9 months ago
Image clustering based on a shared nearest neighbors approach for tagged collections
Browsing and finding pictures in large-scale and heterogeneous collections is an important issue, most particularly for online photo sharing applications. Since such services know...
Pierre-Alain Moëllic, Jean-Emmanuel Haugeard,...