Sciweavers

3678 search results - page 396 / 736
» Personalization of Queries in Database Systems
Sort
View
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
16 years 6 months ago
High-performance complex event processing over streams
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
Eugene Wu 0002, Yanlei Diao, Shariq Rizvi
SIGMOD
2003
ACM
1527views Database» more  SIGMOD 2003»
16 years 6 months ago
XPRESS: A Queriable Compression for XML Data
Like HTML, many XML documents are resident on native file systems. Since XML data is irregular and verbose, the disk space and the network bandwidth are wasted. To overcome the ve...
Jun-Ki Min, Myung-Jae Park, Chin-Wan Chung
EDBT
2008
ACM
137views Database» more  EDBT 2008»
16 years 6 months ago
Optimizing away joins on data streams
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
Lukasz Golab, Theodore Johnson, Nick Koudas, Dives...
DASFAA
2007
IEEE
134views Database» more  DASFAA 2007»
16 years 1 months ago
Eliciting Matters - Controlling Skyline Sizes by Incremental Integration of User Preferences
Today, result sets of skyline queries are unmanageable due to their exponential growth with the number of query predicates. In this paper we discuss the incremental re-computation ...
Wolf-Tilo Balke, Ulrich Güntzer, Christoph Lo...
ICDE
2006
IEEE
215views Database» more  ICDE 2006»
16 years 8 months ago
cgmOLAP: Efficient Parallel Generation and Querying of Terabyte Size ROLAP Data Cubes
In this demo we present the cgmOLAP server, the first fully functional parallel OLAP system able to build data cubes at a rate of more than 1 Terabyte per hour. cgmOLAP incorporat...
Ying Chen, Andrew Rau-Chaplin, Frank K. H. A. Dehn...