271 search results - page 3 / 55 » Access control over uncertain data |
EDBT
2010
ACM
13 years 10 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
13 years 7 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
14 years 7 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 8 months 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
14 years 7 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...