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» QPipe: A Simultaneously Pipelined Relational Query Engine
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SIGMOD
2005
ACM
138views Database» more  SIGMOD 2005»
14 years 11 months ago
QPipe: A Simultaneously Pipelined Relational Query Engine
Relational DBMS typically execute concurrent queries independently by invoking a set of operator instances for each query. To exploit common data retrievals and computation in con...
Stavros Harizopoulos, Vladislav Shkapenyuk, Anasta...
ICDE
2006
IEEE
128views Database» more  ICDE 2006»
15 years 10 days ago
Simultaneous Pipelining in QPipe: Exploiting Work Sharing Opportunities Across Queries
Kun Gao, Stavros Harizopoulos, Ippokratis Pandis, ...
ICDE
2006
IEEE
193views Database» more  ICDE 2006»
15 years 10 days ago
On Pushing Multilingual Query Operators into Relational Engines
To effectively support today's global economy, database systems need to manage data in multiple languages simultaneously. While current database systems do support the storag...
A. Kumaran, Pavan K. Chowdary, Jayant R. Haritsa
SIGMOD
2007
ACM
120views Database» more  SIGMOD 2007»
14 years 11 months ago
Xpath on steroids: exploiting relational engines for xpath performance
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...
Haris Georgiadis, Vasilis Vassalos
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
14 years 11 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...