1529 search results - page 31 / 306 » Querying for meta knowledge |
182
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CIVR
2004
Springer
15 years 10 months ago
2004
Springer
In this paper we discuss the use of knowledge for the analysis and semantic retrieval of video. We follow a fuzzy relational approach to knowledge representation, based on which we...
222
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Freebase is a practical, scalable tuple database used to structure general human knowledge. The data in Freebase is collaboratively created, structured, and maintained. Freebase c...
172
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CORR
2012
Springer
14 years 1 months ago
2012
Springer
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
211
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AMW
2010
15 years 5 months ago
2010
SPARQL currently does not include any form of nested queries. In this paper we present a proposal to incorporate nested queries into SPARQL along the design philosophy of SQL neste...
168
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PAKDD
2005
ACM
15 years 11 months ago
2005
ACM
Traditional multiple query optimization methods focus on identifying common subexpressions in sets of relational queries and on constructing their global execution plans. In this p...