3969 search results - page 105 / 794 » Query Processing Using Ontologies |
135
Voted
SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
179
Voted
ISEMANTICS
2010
15 years 28 days ago
2010
The Web has evolved from a global information space of linked documents to a web of linked data. The Web of Data enables answering complex, structured queries that could not be an...
199
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SIGMOD
2006
ACM
16 years 2 months ago
2006
ACM
Geographic web search engines allow users to constrain and order search results in an intuitive manner by focusing a query on a particular geographic region. Geographic search tec...
126
Voted
BMCBI
2006
15 years 2 months ago
2006
Background: Through the use of DNA microarrays it is now possible to obtain quantitative measurements of the expression of thousands of genes from a biological sample. This techno...
133
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VLDB
2001
ACM
15 years 7 months ago
2001
ACM
In this paper we propose a new framework for dynamic distributed query processing based on so-called HyperQueries which are essentially query evaluation sub-plans “sitting behin...