2675 search results - page 374 / 535 » From Ontology to Relational Databases |
167
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PODS
2001
ACM
16 years 6 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...
179
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PODS
2004
ACM
16 years 6 months ago
2004
ACM
We present the Lixto project, which is both a research project in database theory and a commercial enterprise that develops Web data extraction (wrapping) and Web service definiti...
172
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WEBDB
2009
Springer
16 years 1 months ago
2009
Springer
We study the problem of schema evolution in the RDF data model. RDF and the RDFS schema language are W3C standards for flexibly modeling and sharing data on the web. Although sch...
172
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
On photo sharing websites like Flickr and Zooomr, users are offered the possibility to assign tags to their uploaded pictures. Using these tags to find interesting groups of sem...
165
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
Personalized PageRank, related to random walks with restarts and conductance in resistive networks, is a frequent search paradigm for graph-structured databases. While efficient ba...