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ICDT
2010
ACM
219views Database» more  ICDT 2010»
14 years 4 months ago
Aggregate Queries for Discrete and Continuous Probabilistic XML
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...
Serge Abiteboul, T.-H Hubert Chan, Evgeny Kharlamo...
SSDBM
2006
IEEE
162views Database» more  SSDBM 2006»
14 years 1 months ago
On-line Aggregation and Filtering of Pattern-based Queries
We consider an environment where a subscription system continuously evaluates pattern-based requests over unbounded sequential data. We propose an extension of the traditional pat...
Cédric du Mouza, Philippe Rigaux, Michel Sc...
APWEB
2008
Springer
13 years 9 months ago
Aggregate Computation over Data Streams
Abstract. Nowadays, we have witnessed the widely recognized phenomenon of high speed data streams. Various statistics computation over data streams is often required by many applic...
Xuemin Lin, Ying Zhang
SSDBM
2008
IEEE
181views Database» more  SSDBM 2008»
14 years 1 months ago
Monitoring Aggregate k-NN Objects in Road Networks
Abstract. In recent years, there is an increasing need to monitor k nearest neighbor (k-NN) in a road network. There are existing solutions on either monitoring k-NN objects from a...
Lu Qin, Jeffrey Xu Yu, Bolin Ding, Yoshiharu Ishik...
DEXA
2005
Springer
124views Database» more  DEXA 2005»
14 years 1 months ago
Scalable Distributed Aggregate Computations Through Collaboration
Computing aggregates over distributed data sets constitutes an interesting class of distributed queries. Recent advances in peer-to-peer discovery of data sources and query process...
Leonidas Galanis, David J. DeWitt