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271 search results - page 3 / 55 » Access control over uncertain data |
EDBT
2010
ACM
13 years 3 months ago
2010
ACM
Probabilistic top-k ranking queries have been extensively studied due to the fact that data obtained can be uncertain in many real applications. A probabilistic top-k ranking quer...
JSAC
2007
12 years 11 months ago
2007
—The availability of optical network infrastructure and appropriate user control software has recently made it possible for scientists to establish end-to-end circuits across mul...
EDBT
2006
ACM
13 years 12 months ago
2006
ACM
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
CNL
2009
13 years 28 days ago
2009
Abstract. As it is well-known, querying and managing structured data in natural language is a challenging task due to its ambiguity (syntactic and semantic) and its expressiveness....
SIGMOD
2003
ACM
13 years 12 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
