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» Modeling and Querying Semi-structured Data
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GRID
2007
Springer
15 years 2 months ago
Optimizing multiple queries on scientific datasets with partial replicas
We propose strategies to efficiently execute a query workload, which consists of multiple related queries submitted against a scientific dataset, on a distributed-memory system in...
Li Weng, Ümit V. Çatalyürek, Tahs...
DPD
1998
117views more  DPD 1998»
14 years 9 months ago
Solving Local Cost Estimation Problem for Global Query Optimization in Multidatabase Systems
To meet users’ growing needs for accessing pre-existing heterogeneous databases, a multidatabase system (MDBS) integrating multiple databases has attracted many researchers recen...
Qiang Zhu, Per-Åke Larson
111
Voted
JIDM
2010
160views more  JIDM 2010»
14 years 8 months ago
Evaluation of Conditional Preference Queries
The need for incorporating preference querying in database technology is a very important issue in a variety of applications ranging from e-commerce to personalized search engines....
Fabiola S. F. Pereira, Sandra de Amo
ICDE
2008
IEEE
162views Database» more  ICDE 2008»
15 years 11 months ago
Querying Complex Spatio-Temporal Sequences in Human Motion Databases
Content-based retrieval of spatio-temporal patterns from human motion databases is inherently nontrivial since finding effective distance measures for such data is difficult. These...
Yueguo Chen, Shouxu Jiang, Beng Chin Ooi, Anthony ...
NOMS
2010
IEEE
136views Communications» more  NOMS 2010»
14 years 8 months ago
Supporting System-wide Similarity Queries for networked system management
Abstract— Today’s networked systems are extensively instrumented for collecting a wealth of monitoring data. In this paper, we propose a framework called System-wide Similarity...
Songyun Duan, Hui Zhang 0002, Guofei Jiang, Xiaoqi...