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CADE
2002
Springer
16 years 6 months ago
Testing Satisfiability of CNF Formulas by Computing a Stable Set of Points
We show that a conjunctive normal form (CNF) formula F is unsatisfiable iff there is a set of points of the Boolean space that is stable with respect to F. So testing the satisfiab...
Eugene Goldberg
CADE
2002
Springer
16 years 6 months ago
The Quest for Efficient Boolean Satisfiability Solvers
The classical NP-complete problem of Boolean Satisfiability (SAT) has seen much interest in not just the theoretical computer science community, but also in areas where practical s...
Lintao Zhang, Sharad Malik
SIGMOD
2008
ACM
96views Database» more  SIGMOD 2008»
16 years 6 months ago
OLAP on sequence data
Many kinds of real-life data exhibit logical ordering among their data items and are thus sequential in nature. However, traditional online analytical processing (OLAP) systems an...
Eric Lo, Ben Kao, Wai-Shing Ho, Sau Dan Lee, Chun ...
PODS
2008
ACM
141views Database» more  PODS 2008»
16 years 6 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
EDBT
2006
ACM
157views Database» more  EDBT 2006»
16 years 6 months ago
Caching Complementary Space for Location-Based Services
In this paper, we propose a novel client-side, multi-granularity caching scheme, called "Complementary Space Caching" (CS caching), for location-based services in mobile ...
Ken C. K. Lee, Wang-Chien Lee, Baihua Zheng, Jianl...
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