293 search results - page 50 / 59 » Efficiently Querying Relational Databases Using OWL and SWRL |
121
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IPPS
1999
IEEE
15 years 3 months ago
1999
IEEE
Multidimensional Analysis and On-Line Analytical Processing (OLAP) uses summary information that requires aggregate operations along one or more dimensions of numerical data value...
164
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VLDB
2007
ACM
15 years 12 months ago
2007
ACM
In this paper we argue that developing information extraction (IE) programs using Datalog with embedded procedural extraction predicates is a good way to proceed. First, compared ...
167
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VLDB
2007
ACM
15 years 12 months ago
2007
ACM
Ontology, an explicit specification of shared conceptualization, has been increasingly used to define formal data semantics and improve data reusability and interoperability in en...
108
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SIGMOD
2003
ACM
15 years 11 months ago
2003
ACM
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
165
Voted
SIGMOD
2009
ACM
15 years 12 months ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...