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» Query Processing Using Ontologies
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158
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JIDM
2010
131views more  JIDM 2010»
14 years 9 months ago
Processing Queries over Distributed XML Databases
The increasing volume of data stored as XML documents makes fragmentation techniques an alternative to the performance issues in query processing. Fragmented databases are feasible...
Guilherme Figueiredo, Vanessa P. Braganholo, Marta...
150
Voted
BDA
2001
15 years 4 months ago
Rewriting and Evaluating Tree Queries with XPath
A Community Web portal is a set of tools for a community of people who want to share information on a certain domain via the Web. The backbone of this system is an ontology which ...
Bernd Amann, Catriel Beeri, Irini Fundulaki, Miche...
IJMSO
2006
77views more  IJMSO 2006»
15 years 2 months ago
Ontology based document annotation: trends and open research problems
: Metadata is used to describe documents and applications, improving information seeking and retrieval and its understanding and use. Metadata can be expressed in a wide variety of...
Óscar Corcho
132
Voted
ICDE
2007
IEEE
125views Database» more  ICDE 2007»
15 years 9 months ago
Privacy Protected Query Processing on Spatial Networks
With the proliferation of mobile devices (e.g., PDAs, cell phones, etc.), location-based services have become more and more popular in recent years. However, users have to reveal ...
Wei-Shinn Ku, Roger Zimmermann, Wen-Chih Peng, Sus...
136
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ICDE
2011
IEEE
238views Database» more  ICDE 2011»
14 years 6 months ago
Join queries on uncertain data: Semantics and efficient processing
— Uncertain data is quite common nowadays in a variety of modern database applications. At the same time, the join operation is one of the most important but expensive operations...
Tingjian Ge