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» Planning as Satisfiability with Relaxed $-Step Plans
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SIGMOD
2004
ACM
173views Database» more  SIGMOD 2004»
14 years 6 months ago
Relaxed Currency and Consistency: How to Say "Good Enough" in SQL
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...
Hongfei Guo, Jonathan Goldstein, Per-Åke Lar...
IADIS
2004
13 years 7 months ago
Preliminary Steps in Designing and Implementing a Privilege Verifier for PMI
We have designed and deployed a system that uses X.509 public-key certificates (PKC) and attribute certificates (AC) for access control. This includes an authorization service for...
Diana Berbecaru, Antonio Lioy
DATE
2002
IEEE
69views Hardware» more  DATE 2002»
13 years 10 months ago
Flip-Flop and Repeater Insertion for Early Interconnect Planning
We present a unified framework that considers flipflop and repeater insertion and the placement of flipflop/repeater blocks during RT or higher level design. We introduce the...
Ruibing Lu, Guoan Zhong, Cheng-Kok Koh, Kai-Yuan C...
CP
2007
Springer
13 years 12 months ago
Structural Relaxations by Variable Renaming and Their Compilation for Solving MinCostSAT
Searching for optimal solutions to a problem using lower bounds obtained from a relaxation is a common idea in Heuristic Search and Planning. In SAT and CSPs, however, explicit rel...
Miquel Ramírez, Hector Geffner
ICDE
2010
IEEE
211views Database» more  ICDE 2010»
14 years 20 days ago
ROX: The robustness of a run-time XQuery optimizer against correlated data
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...
Riham Abdel Kader, Peter A. Boncz, Stefan Manegold...