Sciweavers

2854 search results - page 390 / 571
» A Study of the Genus of a Group
Sort
View
VLDB
2007
ACM
114views Database» more  VLDB 2007»
16 years 6 months ago
Optimization and evaluation of shortest path queries
We investigate the problem of how to evaluate efficiently a collection of shortest path queries on massive graphs that are too big to fit in the main memory. To evaluate a shortes...
Edward P. F. Chan, Heechul Lim
SIGMOD
2008
ACM
96views Database» more  SIGMOD 2008»
16 years 6 months ago
OLAP on sequence data
Many kinds of real-life data exhibit logical ordering among their data items and are thus sequential in nature. However, traditional online analytical processing (OLAP) systems an...
Eric Lo, Ben Kao, Wai-Shing Ho, Sau Dan Lee, Chun ...
SIGMOD
2006
ACM
117views Database» more  SIGMOD 2006»
16 years 6 months ago
Database support for matching: limitations and opportunities
We define a match join of R and S with predicate to be a subset of the -join of R and S such that each tuple of R and S contributes to at most one result tuple. Match joins and t...
Ameet Kini, Srinath Shankar, Jeffrey F. Naughton, ...
SIGMOD
2005
ACM
153views Database» more  SIGMOD 2005»
16 years 6 months ago
Multiple Aggregations Over Data Streams
Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. The need for exploratory IP traffic data analysis naturally leads ...
Rui Zhang 0003, Nick Koudas, Beng Chin Ooi, Divesh...
EDBT
2006
ACM
118views Database» more  EDBT 2006»
16 years 6 months ago
Multi-dimensional Aggregation for Temporal Data
Business Intelligence solutions, encompassing technologies such as multi-dimensional data modeling and aggregate query processing, are being applied increasingly to non-traditional...
Christian S. Jensen, Johann Gamper, Michael H. B&o...