789 search results - page 122 / 158 » On Theory Revision with Queries |
168
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AMW
2009
15 years 4 months ago
2009
We address schema design in uncertain databases. Since uncertain data is relational in nature, decomposition becomes a key issue in design. Decomposition relies on dependency theo...
241
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GIS
2007
ACM
16 years 7 months ago
2007
ACM
The collection of moving object data is becoming more and more common, and therefore there is an increasing need for the efficient analysis and knowledge extraction of these data ...
287
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GIS
2004
ACM
16 years 7 months ago
2004
ACM
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
152
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CHI
2009
ACM
16 years 6 months ago
2009
ACM
This paper investigates the role of online resources in problem solving. We look specifically at how programmers--an exemplar form of knowledge workers--opportunistically interlea...
311
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POPL
2006
ACM
16 years 6 months ago
2006
ACM
Web applications typically interact with a back-end database to retrieve persistent data and then present the data to the user as dynamically generated output, such as HTML web pa...