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» Spatio-temporal join selectivity
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VLDB
2005
ACM
121views Database» more  VLDB 2005»
14 years 1 months ago
Online Estimation For Subset-Based SQL Queries
The largest databases in use today are so large that answering a query exactly can take minutes, hours, or even days. One way to address this problem is to make use of approximati...
Chris Jermaine, Alin Dobra, Abhijit Pol, Shantanu ...
DOLAP
2000
ACM
14 years 12 hour ago
Comparing Nested GPSJ Queries in Multidimensional Databases
A multidimensional database can be seen as a collection of multidimensional cubes, from which information is usually extracted by aggregation; aggregated data can be calculated ei...
Matteo Golfarelli, Stefano Rizzi
DMDW
2000
161views Management» more  DMDW 2000»
13 years 9 months ago
View materialization for nested GPSJ queries
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
Matteo Golfarelli, Stefano Rizzi
SIGKDD
2010
101views more  SIGKDD 2010»
13 years 6 months ago
10th international French speaking conference on knowledge discovery and management (EGC2010): conference report
This conference report gives an overview of the 10th International French-speaking conference on Knowledge Discovery and Management (KDM) held in Hammamet, Tunisia, January 26-29,...
Sadok Ben Yahia, Jean-Marc Petit
SIGCOMM
2006
ACM
14 years 1 months ago
Minimizing churn in distributed systems
A pervasive requirement of distributed systems is to deal with churn — change in the set of participating nodes due to joins, graceful leaves, and failures. A high churn rate ca...
Brighten Godfrey, Scott Shenker, Ion Stoica