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» Practical Reasoning Using Values
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TIME
2003
IEEE
15 years 7 months ago
A Novel Approach to Model NOW in Temporal Databases
In bitemporal databases, current facts and transaction states are modelled using a special value to represent the current time (such as a minimum or maximum timestamp or NULL). Pr...
Bela Stantic, John Thornton, Abdul Sattar
DAIS
2009
15 years 2 days ago
Automated Assessment of Aggregate Query Imprecision in Dynamic Environments
Queries are widely used for acquiring data distributed in opportunistically formed mobile networks. However, when queries are executed in such dynamic settings, the returned result...
Vasanth Rajamani, Christine Julien, Jamie Payton
ICPR
2002
IEEE
16 years 3 months ago
Improved MSEL and its Medical Application
Edge detection is the basic operation in the image processing and analysis. Multiresolution Sequential Edge Linking (MSEL), which is proposed by Edward J.Delp of Purdue University...
Huiguang He, Jie Tian, Jing Wang, Hong Chen, X. P....
DOCENG
2007
ACM
15 years 6 months ago
XML version detection
The problem of version detection is critical in many important application scenarios, including software clone identification, Web page ranking, plagiarism detection, and peer-to-...
Deise de Brum Saccol, Nina Edelweiss, Renata de Ma...
118
Voted
CCO
2001
Springer
157views Combinatorics» more  CCO 2001»
15 years 6 months ago
Lagrangian Relaxation
Lagrangian relaxation is commonly used in combinatorial optimization to generate lower bounds for a minimization problem. We propose a modified Lagrangian relaxation which used i...
Claude Lemaréchal