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WIDM
2003
ACM
16 years 1 days ago
Answering imprecise database queries: a novel approach
A growing number of databases especially those published on the Web are becoming available to external users. Users of these databases are provided simple form-based query interfa...
Ullas Nambiar, Subbarao Kambhampati
COCO
2003
Springer
162views Algorithms» more  COCO 2003»
16 years 1 days ago
Near-Optimal Lower Bounds on the Multi-Party Communication Complexity of Set Disjointness
We study the communication complexity of the set disjointness problem in the general multi-party model. For t players, each holding a subset of a universe of size n, we establish ...
Amit Chakrabarti, Subhash Khot, Xiaodong Sun
181
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CGO
2010
IEEE
15 years 12 months ago
Taming hardware event samples for FDO compilation
Feedback-directed optimization (FDO) is effective in improving application runtime performance, but has not been widely adopted due to the tedious dual-compilation model, the difï...
Dehao Chen, Neil Vachharajani, Robert Hundt, Shih-...
EDBT
2010
ACM
151views Database» more  EDBT 2010»
15 years 12 months ago
Warm cache costing: a feedback optimization technique for buffer pool aware costing
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...
H. S. Ramanujam, Edwin Seputis
IPPS
2002
IEEE
15 years 11 months ago
Performance Prediction Technology for Agent-Based Resource Management in Grid Environments
Resource management constitutes an important infrastructural component of a computational grid environment. The aim of grid resource management is to efficiently schedule applicat...
Junwei Cao, Stephen A. Jarvis, Daniel P. Spooner, ...