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» Query Processing Using Ontologies
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127
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VLDB
1999
ACM
97views Database» more  VLDB 1999»
15 years 9 months ago
Relational Databases for Querying XML Documents: Limitations and Opportunities
XML is fast emerging as the dominant standard for representing data in the World Wide Web. Sophisticated query engines that allow users to effectively tap the data stored in XML d...
Jayavel Shanmugasundaram, Kristin Tufte, Chun Zhan...
ICDE
2004
IEEE
148views Database» more  ICDE 2004»
16 years 6 months ago
Approximate Selection Queries over Imprecise Data
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
Iosif Lazaridis, Sharad Mehrotra
WEBDB
2005
Springer
107views Database» more  WEBDB 2005»
15 years 10 months ago
Freshness-Aware Scheduling of Continuous Queries in the Dynamic Web
The dynamics of the Web and the demand for new, active services are imposing new requirements on Web servers. One such new service is the processing of continuous queries whose ou...
Mohamed A. Sharaf, Alexandros Labrinidis, Panos K....
194
Voted
DBISP2P
2006
Springer
195views Database» more  DBISP2P 2006»
15 years 8 months ago
XML Query Routing in Structured P2P Systems
Abstract. This paper addresses the problem of data placement, indexing, and querying large XML data repositories distributed over an existing P2P service infrastructure. Our archit...
Leonidas Fegaras, Weimin He, Gautam Das, David Lev...
ICDT
2010
ACM
147views Database» more  ICDT 2010»
15 years 8 months ago
Querying Parse Trees of Stochastic Context-Free Grammars
Stochastic context-free grammars (SCFGs) have long been recognized as useful for a large variety of tasks including natural language processing, morphological parsing, speech reco...
Sara Cohen, Benny Kimelfeld