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» Query Execution Techniques for Caching Expensive Methods
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EDBT
2010
ACM
189views Database» more  EDBT 2010»
14 years 15 days ago
Efficient physical operators for cost-based XPath execution
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
ICPADS
2005
IEEE
14 years 1 months ago
HON-P2P: A Cluster-based Hybrid Overlay Network for Multimedia Object Management
Abstract— Multimedia centric P2P must take into consideration the main characteristics and the complex relationships among multimedia objects. In this paper, we propose a cluster...
Mouna Kacimi, Kokou Yétongnon, Yinghua Ma, ...
IPPS
2003
IEEE
14 years 20 days ago
So Many States, So Little Time: Verifying Memory Coherence in the Cray X1
This paper investigates a complexity-effective technique for verifying a highly distributed directory-based cache coherence protocol. We develop a novel approach called “witnes...
Dennis Abts, Steve Scott, David J. Lilja
EDBT
2006
ACM
127views Database» more  EDBT 2006»
14 years 7 months ago
Progressive Query Optimization for Federated Queries
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
Stephan Ewen, Holger Kache, Volker Markl, Vijaysha...
SIGMOD
2005
ACM
111views Database» more  SIGMOD 2005»
14 years 7 months ago
Efficient Computation of Multiple Group By Queries
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing many Group By queries on the sets of columns of interest. Since the volume of ...
Zhimin Chen, Vivek R. Narasayya