454 search results - page 21 / 91 » SPARQL Query Processing with Conventional Relational Databas... |
BTW
2003
Springer
15 years 4 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
108
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ICDT
2012
ACM
13 years 1 months ago
2012
ACM
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...
155
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SIGMOD
2008
ACM
15 years 11 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
INFSOF
2002
14 years 10 months ago
2002
In this paper, we present methods of translating transactions from object-oriented database(OODB) to relational database(RDB). The process involves schema mapping in data definiti...
188
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ICDE
1998
IEEE
16 years 12 days ago
1998
IEEE
We have developed a MultiMedia Visual Information Seeking (MMVIS) Environment that is the first system to support an integrated approach to the direct manipulation specification o...