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DPD
2006
141views more  DPD 2006»
13 years 7 months ago
Efficient parallel processing of range queries through replicated declustering
A common technique used to minimize I/O in data intensive applications is data declustering over parallel servers. This technique involves distributing data among several disks so...
Hakan Ferhatosmanoglu, Ali Saman Tosun, Guadalupe ...
SSDBM
2010
IEEE
133views Database» more  SSDBM 2010»
13 years 5 months ago
PrefIndex: An Efficient Supergraph Containment Search Technique
Graphs are prevailingly used in many applications to model complex data structures. In this paper, we study the problem of supergraph containment search. To avoid the NP-complete s...
Gaoping Zhu, Xuemin Lin, Wenjie Zhang, Wei Wang, H...
VLDB
2007
ACM
114views Database» more  VLDB 2007»
14 years 7 months ago
XRPC: Interoperable and Efficient Distributed XQuery
We propose XRPC, a minimal XQuery extension that enables distributed yet efficient querying of heterogeneous XQuery data sources. XRPC enhances the existing concept of XQuery func...
Ying Zhang, Peter A. Boncz
VLDB
2005
ACM
87views Database» more  VLDB 2005»
14 years 1 months ago
An Efficient SQL-based RDF Querying Scheme
Devising a scheme for efficient and scalable querying of Resource Description Framework (RDF) data has been an active area of current research. However, most approaches define new...
Eugene Inseok Chong, Souripriya Das, George Eadon,...
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
14 years 7 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...