2070 search results - page 42 / 414 » Querying Communities in Relational Databases |
OWLED
2008
15 years 7 days ago
2008
We study conjunctive query answering in the description logic EL, the core of the designated OWL2-EL profile of OWL2. In particular, we present an approach that allows the use of c...
105
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GEOINFO
2003
15 years 6 days ago
2003
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
177
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ICDE
2008
IEEE
16 years 5 days ago
2008
IEEE
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
SIGMOD
2012
ACM
13 years 1 months ago
2012
ACM
A relational database often yields a large set of tuples as the result of a query. Users browse this result set to find the information they require. If the result set is large, ...
103
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KES
2005
Springer
15 years 4 months ago
2005
Springer
Much of the world’s data is in the form of time series, and many other types of data, such as video, image, and handwriting, can easily be transformed into time series. This fact...