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» A SAT approach to query optimization in mediator systems
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ICDE
2007
IEEE
135views Database» more  ICDE 2007»
14 years 3 months ago
Cost-Aware Skyline Queries in Structured Overlays
Recently, systems providing access to extremely large data collections, managed in a distributed manner, gain emerging attention. A promising approach to implement the physical la...
Marcel Karnstedt, Jessica Müller, Kai-Uwe Sat...
LOGCOM
2011
12 years 11 months ago
Introducing Preferences in Planning as Satisfiability
Planning as Satisfiability is one of the most well-known and effective techniques for classical planning: satplan has been the winning system in the deterministic track for optim...
Enrico Giunchiglia, Marco Maratea
WEBI
2010
Springer
13 years 6 months ago
Expertise Matching via Constraint-Based Optimization
Abstract--Expertise matching, aiming to find the alignment between experts and queries, is a common problem in many real applications such as conference paper-reviewer assignment, ...
Wenbin Tang, Jie Tang, Chenhao Tan
SIGMOD
2007
ACM
121views Database» more  SIGMOD 2007»
14 years 8 months ago
Execution strategies for SQL subqueries
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...
César A. Galindo-Legaria, Milind Joshi, Mos...
EDBT
2010
ACM
164views Database» more  EDBT 2010»
13 years 12 months ago
Techniques for efficiently querying scientific workflow provenance graphs
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
Manish Kumar Anand, Shawn Bowers, Bertram Ludä...