349 search results - page 29 / 70 » Query Rewriting for Semistructured Data |
123
Voted
CIKM
2010
Springer
15 years 2 months ago
2010
Springer
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
143
Voted
PODS
2000
ACM
15 years 8 months ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
154
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ADC
2008
Springer
15 years 10 months ago
2008
Springer
This article describes how to implement efficient memory resident path indexes for semi-structured data. Two techniques are introduced, and they are shown to be significantly fas...
152
Voted
ADC
2008
Springer
15 years 5 months ago
2008
Springer
Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/...
142
Voted
DEXAW
2007
IEEE
15 years 10 months ago
2007
IEEE
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...