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Conjunctive Query Optimization in OWL2-DL
done in the area of optimizing conjunctive query answering for RDF and OWL2-DL variables efficiently. These optimizations are implemented in the Pellet query engine and our experimental evaluation shows that the n...
IN - Informatika
- 2011 •
- D •
- Link
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D - Stať ve sborníku
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Database query optimizer ? introduction
The article deals with the query optimizer. This theme belongs to the area of the process called query optimizer and symptoms of problems which show the necessity of monitoring the query plans. Other chapt...
IN - Informatika
- 2001 •
- D
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D - Stať ve sborníku
A Method of Optimizing Multi-tenant Database Query Access
Main topics of the document: SaaS; multi-tenant databases; query optimization...
IN - Informatika
- 2014 •
- D •
- Link
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SPARQL Compiler for Bobox
be used as a database query evaluation engine. However, it does not contain the means necessary to compile and optimize the queries. A specialized front-end is needed. This paperpresents one such front-end, which handles <...
IN - Informatika
- 2010 •
- D
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D - Stať ve sborníku
Optimizing Query Performance with Inverted Cache in Metric Spaces
queue that optimizes access to data partitions for repetitive queries. This concept of multimedia content. Querying such systems starts with either a query object provided to improve user's satisfaction with q...
IN - Informatika
- 2016 •
- D •
- Link
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Query optimization in deductive programs with aggregates
This paper addresses the problem of aggregates in an extended version of Datalog. It concentrates especially on the problem of aggregate arguments in the process of efficient query evaluation....
JC - Počítačový hardware a software
- 2001 •
- D
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D - Stať ve sborníku
Evolutionary improvement of search queries and its parameters
in an optimal way. In this paper, we investigate evolutionary algorithms (in particular genetic programming) as a tool for the optimization of user queries and seek for itsThe formulation of user queries is an imp...
IN - Informatika
- 2010 •
- D •
- Link
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Query Optimization Strategies in Similarity-Based Databases
are optimization techniques for efficient evaluation of queries involving similarity-basedWe deal with algorithmic aspects and implementation issues of query execution in relational similarity-based databases. We are conce...
IN - Informatika
- 2013 •
- D •
- Link
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Towards Cost-based Optimizations of Twig Content-based Queries
. These approaches attempt to process XML queries efficiently and sufficient query plans are built for this purpose. Some effort has been expended in the optimization of XML query processing. There are not many wor...
IN - Informatika
- 2008 •
- D
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D - Stať ve sborníku
Occlusion Culling with Statistically Optimized Occlusion Queries
This paper presents an effective algorithm for occlusion culling using hardware occlusion queries. The number of queries is optimized according to the results of the queries from several preceeding frames. Parts of...
IN - Informatika
- 2005 •
- D
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D - Stať ve sborníku
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