793 search results - page 45 / 159 » Continuously adaptive continuous queries over streams |
139
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SSD
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. Massive data streams of positional updates become increasingly difficult to manage under limited memory resources, especially in terms of providing near real-time respons...
155
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CODCRY
2009
Springer
15 years 11 months ago
2009
Springer
We give two impossibility results regarding strong encryption over an infinite enumerable domain. The first one relates to statistically secure one-time encryption. The second on...
207
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
133
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ICDT
2010
ACM
16 years 1 months ago
2010
ACM
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
136
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JSS
2011
14 years 7 months ago
2011
Location-based services have attracted the attention of important research in the field of mobile computing. Specifically, different mechanisms have been proposed to process loc...