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» A Genetic Algorithm for Database Query Optimization
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SIGMOD
2000
ACM
236views Database» more  SIGMOD 2000»
13 years 12 months ago
XTRACT: A System for Extracting Document Type Descriptors from XML Documents
XML is rapidly emerging as the new standard for data representation and exchange on the Web. An XML document can be accompanied by a Document Type Descriptor (DTD) which plays the...
Minos N. Garofalakis, Aristides Gionis, Rajeev Ras...
CIKM
2009
Springer
13 years 11 months ago
Provenance query evaluation: what's so special about it?
While provenance has been extensively studied in the literature, the efficient evaluation of provenance queries remains an open problem. Traditional query optimization techniques...
Anastasios Kementsietsidis, Min Wang
WWW
2005
ACM
14 years 8 months ago
Executing incoherency bounded continuous queries at web data aggregators
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
Rajeev Gupta, Ashish Puri, Krithi Ramamritham
TKDE
2011
234views more  TKDE 2011»
13 years 2 months ago
The World in a Nutshell: Concise Range Queries
—With the advance of wireless communication technology, it is quite common for people to view maps or get related services from the handheld devices, such as mobile phones and PD...
Ke Yi, Xiang Lian, Feifei Li, Lei Chen 0002
ICDE
2003
IEEE
120views Database» more  ICDE 2003»
14 years 9 months ago
PBiTree Coding and Efficient Processing of Containment Joins
This paper addresses issues related to containment join processing in tree-structured data such as XML documents. A containment join takes two sets of XML node elements as input a...
Wei Wang 0011, Haifeng Jiang, Hongjun Lu, Jeffrey ...