572 search results - page 5 / 115 » SQLST: A Spatio-Temporal Data Model and Query Language |
108
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DEXAW
2004
IEEE
15 years 1 months ago
2004
IEEE
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...
AAAI
2007
15 years 1 hour ago
2007
In many sensing applications we must continuously gather information to provide a good estimate of the state of the environment at every point in time. A robot may tour an environ...
103
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GIS
2010
ACM
14 years 7 months ago
2010
ACM
Research on Moving Object Databases (MOD) has resulted in sophisticated query mechanisms for moving objects and regions. Wireless Sensor Networks (WSN) support a wide range of app...
73
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VLDB
2004
ACM
15 years 3 months ago
2004
ACM
We study the fundamental limitations of relational algebra (RA) and SQL in supporting sequence and stream queries, and present effective query language and data model enrichments ...
113
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ESWS
2010
Springer
14 years 8 months ago
2010
Springer
Abstract. RDF will often be the metadata model of choice in the Semantic Sensor Web. However, RDF can only represent thematic metadata and needs to be extended if we want to model ...