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TKDE
2008
154views more  TKDE 2008»
15 years 6 months ago
Watermarking Relational Databases Using Optimization-Based Techniques
Proving ownership rights on outsourced relational databases is a crucial issue in today internet-based application environments and in many content distribution applications. In th...
Mohamed Shehab, Elisa Bertino, Arif Ghafoor
ICDM
2009
IEEE
147views Data Mining» more  ICDM 2009»
15 years 4 months ago
Greedy Optimization for Contiguity-Constrained Hierarchical Clustering
The discovery and construction of inherent regions in large spatial datasets is an important task for many research domains such as climate zoning, eco-region analysis, public heal...
Diansheng Guo
ICDE
2002
IEEE
106views Database» more  ICDE 2002»
16 years 8 months ago
OSSM: A Segmentation Approach to Optimize Frequency Counting
Computing the frequency of a pattern is one of the key operations in data mining algorithms. We describe a simple yet powerful way of speeding up any form of frequency counting sa...
Carson Kai-Sang Leung, Raymond T. Ng, Heikki Manni...
SIGMOD
2001
ACM
221views Database» more  SIGMOD 2001»
16 years 6 months ago
Adaptable Query Optimization and Evaluation in Temporal Middleware
Time-referenced data are pervasive in most real-world databases. Recent advances in temporal query languages show that such database applications may benefit substantially from bu...
Giedrius Slivinskas, Christian S. Jensen, Richard ...
ATAL
2004
Springer
15 years 10 months ago
Generating Coalition Structures with Finite Bound from the Optimal Guarantees
The coalition formation process, in which a number of independent, autonomous agents come together to act as a collective, is an important form of interaction in multiagent system...
Viet Dung Dang, Nicholas R. Jennings