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» Managing Personal Tasks with Time Constraints and Preference...
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PODS
2007
ACM
159views Database» more  PODS 2007»
14 years 7 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...
SIGMOD
2012
ACM
203views Database» more  SIGMOD 2012»
11 years 9 months ago
Optimizing index for taxonomy keyword search
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
Bolin Ding, Haixun Wang, Ruoming Jin, Jiawei Han, ...
SIGMOD
2007
ACM
124views Database» more  SIGMOD 2007»
14 years 7 months ago
Query suspend and resume
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and we need to ru...
Badrish Chandramouli, Christopher N. Bond, Shivnat...
EMSOFT
2007
Springer
13 years 10 months ago
A unified practical approach to stochastic DVS scheduling
This paper deals with energy-aware real-time system scheduling using dynamic voltage scaling (DVS) for energy-constrained embedded systems that execute variable and unpredictable ...
Ruibin Xu, Rami G. Melhem, Daniel Mossé
CAD
2000
Springer
13 years 6 months ago
The Enterprise-Web portal for life-cycle support
As we enter the new millennium, the approach to product development is evolving rapidly. Companies are in the process of creating a distributed design and manufacturing environmen...
Mohsen Rezayat