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» An extensive math query language
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DBPL
1995
Springer
106views Database» more  DBPL 1995»
15 years 7 months ago
On Impossibility of Decremental Recomputation of Recursive Queries in Relational Calculus and SQL
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
Guozhu Dong, Leonid Libkin, Limsoon Wong
124
Voted
ECOOP
2006
Springer
15 years 7 months ago
Automatic Prefetching by Traversal Profiling in Object Persistence Architectures
Object persistence architectures support transparent access to persistent objects. For efficiency, many of these architectures support queries that can prefetch associated objects ...
Ali Ibrahim, William R. Cook
142
Voted
EDBT
2009
ACM
110views Database» more  EDBT 2009»
15 years 8 months ago
A sampling approach for XML query selectivity estimation
As the Extensible Markup Language (XML) rapidly establishes itself as the de facto standard for presenting, storing, and exchanging data on the Internet, large volume of XML data ...
Cheng Luo, Zhewei Jiang, Wen-Chi Hou, Feng Yu, Qia...
JIDM
2010
160views more  JIDM 2010»
15 years 2 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
EDBTW
2004
Springer
15 years 9 months ago
XML Query Processing and Optimization
—Over the past few years, XML (eXtensible Mark-up Language) has emerged as the standard for information representation and data exchange over the Internet. This paper provides a ...
Ning Zhang 0002