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» Equivalence of queries combining set and bag-set semantics
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WECWIS
2006
IEEE
114views ECommerce» more  WECWIS 2006»
14 years 1 months ago
Large-Scale Service Composition in Semantic Service Discovery
Self-Healing and self-optimizing service based applications are important steps towards the self-organizing Service Oriented Architectures (SOA). Self-Organizing SOAs replace serv...
Steffen Bleul, Thomas Weise, Kurt Geihs
VLDB
2004
ACM
151views Database» more  VLDB 2004»
14 years 21 days ago
Query Rewrite for XML in Oracle XML DB
Oracle XML DB integrates XML storage and querying using the Oracle relational and object relational framework. It has the capability to physically store XML documents by shredding...
Muralidhar Krishnaprasad, Zhen Hua Liu, Anand Mani...
ERSHOV
2006
Springer
13 years 11 months ago
Chase of Recursive Queries
In this work, we present a semantic query optimization technique to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we c...
Nieves R. Brisaboa, Antonio Fariña, Miguel ...
SCIA
2009
Springer
130views Image Analysis» more  SCIA 2009»
14 years 1 months ago
Improving Automatic Video Retrieval with Semantic Concept Detection
We study the usefulness of intermediate semantic concepts in bridging the semantic gap in automatic video retrieval. The results of a series of large-scale retrieval experiments, w...
Markus Koskela, Mats Sjöberg, Jorma Laaksonen
ICLP
2007
Springer
13 years 11 months ago
OnEQL: An Ontology Efficient Query Language Engine for the Semantic Web
Abstract. In this paper we describe the OnEQL system, a query engine that implements optimization techniques and evaluation strategies to speed up the evaluation time of querying a...
Edna Ruckhaus, Maria-Esther Vidal, Eduardo Ruiz