572 search results - page 49 / 115 » SQLST: A Spatio-Temporal Data Model and Query Language |
170
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ICDT
2011
ACM
14 years 1 months ago
2011
ACM
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...
ESWS
2007
Springer
15 years 4 months ago
2007
Springer
The Semantic Web seems to be evolving into a property-linked web of RDF data, conceptually divorced from (but physically housed in) the hyperlinked web of HTML documents. We discus...
163
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ICDT
2009
ACM
15 years 10 months ago
2009
ACM
The need to manage diverse information sources has triggered the rise of very loosely structured data models, known as "dataspace models." Such information management sy...
162
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PODS
2009
ACM
15 years 10 months ago
2009
ACM
In this work we investigate the satisfiability problem for the logic XPath( , , =), that includes all downward axes as well as equality and inequality tests. We address this probl...
DBPL
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. We propose a framework in which query sizes can be estimated from arbitrary statistical assertions on the data. In its most general form, a statistical assertion states t...