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VLDB
2000
ACM
155views Database» more  VLDB 2000»
13 years 11 months ago
ICICLES: Self-Tuning Samples for Approximate Query Answering
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...
Venkatesh Ganti, Mong-Li Lee, Raghu Ramakrishnan
MOBISYS
2010
ACM
13 years 10 months ago
ParkNet: drive-by sensing of road-side parking statistics
Urban street-parking availability statistics are challenging to obtain in real-time but would greatly benefit society by reducing traffic congestion. In this paper we present the ...
Suhas Mathur, Tong Jin, Nikhil Kasturirangan, Jana...
NSDI
2008
13 years 10 months ago
Phalanx: Withstanding Multimillion-Node Botnets
Large-scale distributed denial of service (DoS) attacks are an unfortunate everyday reality on the Internet. They are simple to execute and with the growing prevalence and size of...
Colin Dixon, Thomas E. Anderson, Arvind Krishnamur...
CIKM
2008
Springer
13 years 9 months ago
The query-flow graph: model and applications
Query logs record the queries and the actions of the users of search engines, and as such they contain valuable information about the interests, the preferences, and the behavior ...
Paolo Boldi, Francesco Bonchi, Carlos Castillo, De...
DOLAP
2008
ACM
13 years 9 months ago
Solving summarizability problems in fact-dimension relationships for multidimensional models
Multidimensional analysis allows decision makers to efficiently and effectively use data analysis tools, which mainly depend on multidimensional (MD) structures of a data warehous...
Jose-Norberto Mazón, Jens Lechtenbörge...