572 search results - page 54 / 115 » SQLST: A Spatio-Temporal Data Model and Query Language |
102
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ICDT
2012
ACM
13 years 6 days ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
TREC
2001
14 years 11 months ago
2001
We used the YFILTER filtering system for experiments on updating profiles and setting thresholds. We developed a new method of using language models for updating profiles that is ...
HICSS
2000
IEEE
15 years 2 months ago
2000
IEEE
This paper describes an architecture for building distributed information systems from existing information resources, based on software agent and distributed object technologies....
156
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VLDB
2004
ACM
15 years 10 months ago
2004
ACM
With the recent and continuing advances in areas such as wireless communications and positioning technologies, mobile, locationbased services are becoming possible. Such services ...
109
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CORR
2011
Springer
14 years 4 months ago
2011
Springer
We study in this paper provenance information for queries with aggregation. Provenance information was studied in the context of various query languages that do not allow for aggr...