572 search results - page 35 / 115 » SQLST: A Spatio-Temporal Data Model and Query Language |
BTW
2007
Springer
15 years 3 months ago
2007
Springer
: Information integration requires manipulating data and metadata in ways that in general go beyond a single existing transformation formalism. As a result, a complete source-to-ta...
IDEAS
2000
IEEE
15 years 2 months ago
2000
IEEE
We present SECONDO, a new generic environment supporting the implementation of database systems for a wide range of data models and query languages. On the one hand, this framewor...
SEMWEB
2009
Springer
15 years 4 months ago
2009
Springer
An important issue for the Semantic Web is how to combine open-world ontology languages with closed-world (non-monotonic) rule paradigms. Several proposals for hybrid languages all...
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JMLR
2012
13 years 6 days ago
2012
Given a point set S and an unknown metric d on S, we study the problem of efficiently partitioning S into k clusters while querying few distances between the points. In our model...
SIGIR
1996
ACM
15 years 1 months ago
1996
ACM
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...