716 search results - page 44 / 144 » Optimizing Queries in Extended Relational Databases |
ADC
2007
Springer
15 years 5 months ago
2007
Springer
Structured Query Language (SQL) is the dominant language for querying relational databases today, and is an essential topic in introductory database courses in higher education. E...
106
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ICDE
2009
IEEE
15 years 6 months ago
2009
IEEE
— A paramount challenge in probabilistic databases is the scalable computation of confidences of tuples in query results. This paper introduces an efficient secondary-storage o...
ICDT
2010
ACM
15 years 8 months ago
2010
ACM
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
125
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PODS
2010
ACM
15 years 4 months ago
2010
ACM
For many problems arising in the setting of graph querying (such as finding semantic associations in RDF graphs, exact and approximate pattern matching, sequence alignment, etc.)...
VLDB
1991
ACM
15 years 2 months ago
1991
ACM
In this paper we present a technique to optimize queries on deductive databases that use aggregate operations such as min, max, and “largest Ic values.” Our approach is based ...