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» Query Processing Using Ontologies
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156
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DPD
2006
141views more  DPD 2006»
15 years 2 months ago
Efficient parallel processing of range queries through replicated declustering
A common technique used to minimize I/O in data intensive applications is data declustering over parallel servers. This technique involves distributing data among several disks so...
Hakan Ferhatosmanoglu, Ali Saman Tosun, Guadalupe ...
ICDE
1987
IEEE
143views Database» more  ICDE 1987»
15 years 6 months ago
A Query Processing Strategy for the Decomposed Storage Model
Handling parallelism in database systems involves the specification of a storage model, a placement strategy, and a query processing strategy. An important goal is to determine th...
Setrag Khoshafian, George P. Copeland, Thomas Jago...
133
Voted
SEBD
2007
121views Database» more  SEBD 2007»
15 years 4 months ago
Query Answering in Expressive Variants of DL-Lite
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
Alessandro Artale, Diego Calvanese, Roman Kontchak...
WWW
2007
ACM
16 years 3 months ago
Hierarchical, perceptron-like learning for ontology-based information extraction
Recent work on ontology-based Information Extraction (IE) has tried to make use of knowledge from the target ontology in order to improve semantic annotation results. However, ver...
Yaoyong Li, Kalina Bontcheva
DMG
2005
Springer
15 years 8 months ago
Adapting to Changing Resource Performance in Grid Query Processing
The Grid provides facilities that support the coordinated use of diverse resources, and consequently, provides new opportunities for wide-area query processing. However, Grid resou...
Anastasios Gounaris, Jim Smith, Norman W. Paton, R...