2095 search results - page 209 / 419 » Modeling and Querying Semi-structured Data |
168
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SBBD
2003
15 years 8 months ago
2003
A common requirement of many scientific applications is the ability to process queries involving expensive predicates corresponding to user programs. Optimizing such queries is ha...
185
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GIS
2010
ACM
15 years 5 months ago
2010
ACM
With the popularity of location-based services and the abundant usage of smart phones and GPS enabled devices, the necessity of outsourcing spatial data has grown rapidly over the...
215
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IJITN
2010
15 years 3 months ago
2010
With the proliferation of inexpensive cameras and the availability of high-speed wired and wireless networks, systems of distributed cameras are becoming an enabling technology fo...
145
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BNCOD
2004
15 years 8 months ago
2004
While there are many proposals for spatio-temporal data models and query languages, there is a lack of research into application development using spatio-temporal database systems....
151
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SSD
2007
Springer
16 years 19 days ago
2007
Springer
In this paper we study the evaluation of continuous constraint queries (CCQs) for spatiotemporal streams. A CCQ triggers an alert whenever a configuration of constraints between s...