454 search results - page 19 / 91 » SPARQL Query Processing with Conventional Relational Databas... |
127
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IDEAS
2010
IEEE
14 years 9 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
111
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DEBS
2009
ACM
15 years 5 months ago
2009
ACM
The nature of data in enterprises and on the Internet is changing. Data used to be stored in a database first and queried later. Today timely processing of new data, represented ...
201
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ICDE
2002
IEEE
16 years 12 days ago
2002
IEEE
We study the problem of query optimization in federated relational database systems. The nature of federated databases explicitly decouples many aspects of the optimization proces...
DATAMINE
2000
14 years 11 months ago
2000
Data mining on large data warehouses is becoming increasingly important. In support of this trend, we consider a spectrum of architectural alternatives for coupling mining with da...
110
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ICDE
2011
IEEE
14 years 2 months ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...