2070 search results - page 222 / 414 » Querying Communities in Relational Databases |
169
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FQAS
2000
Springer
15 years 10 months ago
2000
Springer
- We investigate extensions of the classical measurement of effectiveness in information retrieval systems, precision and recall, to situations where the answer is modeled by a fuz...
186
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SEMWEB
2009
Springer
16 years 1 months ago
2009
Springer
RDF Schema (RDFS) as a lightweight ontology language is gaining popularity and, consequently, tools for scalable RDFS inference and querying are needed. SPARQL has become recently ...
136
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ICDT
1990
ACM
15 years 10 months ago
1990
ACM
Ordinary logical implication is not enough for answering queries in a logic database, since especially negative information is only implicitly represented in the database state. M...
170
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Online communities have become popular for publishing and searching content, as well as for finding and connecting to other users. User-generated content includes, for example, pe...
344
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
With the advance of the Semantic Web, varying RDF data were increasingly generated, published, queried, and reused via the Web. For example, the DBpedia, a community effort to extr...