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» Efficient computation of personal aggregate queries on blogs
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ICDE
2008
IEEE
161views Database» more  ICDE 2008»
14 years 9 months ago
COLR-Tree: Communication-Efficient Spatio-Temporal Indexing for a Sensor Data Web Portal
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
Yanif Ahmad, Suman Nath
SSDBM
2009
IEEE
174views Database» more  SSDBM 2009»
14 years 2 months ago
Optimization and Execution of Complex Scientific Queries over Uncorrelated Experimental Data
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...
Ruslan Fomkin, Tore Risch
SIGMOD
2001
ACM
158views Database» more  SIGMOD 2001»
14 years 7 months ago
Generating Efficient Plans for Queries Using Views
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
Foto N. Afrati, Chen Li, Jeffrey D. Ullman
VLDB
2002
ACM
114views Database» more  VLDB 2002»
13 years 7 months ago
Tree Pattern Aggregation for Scalable XML Data Dissemination
With the rapid growth of XML-document traffic on the Internet, scalable content-based dissemination of XML documents to a large, dynamic group of consumers has become an important...
Chee Yong Chan, Wenfei Fan, Pascal Felber, Minos N...
WWW
2007
ACM
14 years 8 months ago
Why we search: visualizing and predicting user behavior
The aggregation and comparison of behavioral patterns on the WWW represent a tremendous opportunity for understanding past behaviors and predicting future behaviors. In this paper...
Eytan Adar, Daniel S. Weld, Brian N. Bershad, Stev...