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DOLAP
2006
ACM
14 years 1 months ago
Pre-aggregation with probability distributions
Motivated by the increasing need to analyze complex, uncertain multidimensional data this paper proposes probabilistic OLAP queries that are computed using probability distributio...
Igor Timko, Curtis E. Dyreson, Torben Bach Pederse...
PVLDB
2008
138views more  PVLDB 2008»
13 years 7 months ago
A skip-list approach for efficiently processing forecasting queries
Time series data is common in many settings including scientific and financial applications. In these applications, the amount of data is often very large. We seek to support pred...
Tingjian Ge, Stanley B. Zdonik
SIGMOD
2005
ACM
100views Database» more  SIGMOD 2005»
14 years 7 months ago
A Disk-Based Join With Probabilistic Guarantees
One of the most common operations in analytic query processing is the application of an aggregate function to the result of a relational join. We describe an algorithm for computi...
Chris Jermaine, Alin Dobra, Subramanian Arumugam, ...
SSDBM
2005
IEEE
148views Database» more  SSDBM 2005»
14 years 1 months ago
A Fast Approximation Scheme for Probabilistic Wavelet Synopses
Several studies have demonstrated the effectiveness of Haar wavelets in reducing large amounts of data down to compact wavelet synopses that can be used to obtain fast, accurate a...
Antonios Deligiannakis, Minos N. Garofalakis, Nick...
SIGMOD
2010
ACM
267views Database» more  SIGMOD 2010»
14 years 9 days ago
Processing proximity relations in road networks
Applications ranging from location-based services to multi-player online gaming require continuous query support to monitor, track, and detect events of interest among sets of mov...
Zhengdao Xu, Hans-Arno Jacobsen