176 search results - page 32 / 36 » Answering aggregate queries in data exchange |
SIGMOD
2009
ACM
14 years 10 months ago
2009
ACM
With large amounts of correlated probabilistic data being generated in a wide range of application domains including sensor networks, information extraction, event detection etc.,...
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
ICDCS
2009
IEEE
14 years 7 months ago
2009
IEEE
Users and administrators of large distributed systems are frequently in need of monitoring and management of its various components, data items and resources. Though there exist s...
GIS
2002
ACM
13 years 9 months ago
2002
ACM
The focus of this paper is on interoperability issues to achieve data integration in distributed databases for geographic applications. Our concrete application is in the context ...
SSDBM
1999
IEEE
14 years 2 months ago
1999
IEEE
Multidimensional Analysis in On-Line Analytical Processing (OLAP), and Scientific and statistical databases (SSDB) use operations requiring summary information on multi-dimensiona...