198 search results - page 22 / 40 » Towards materialized view selection for distributed database... |
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
In this paper we explore database segmentation in the context of a column-store DBMS targeted at a scientific database. We present a novel hardware- and scheme-oblivious segmentati...
VLDB
2004
ACM
14 years 26 days ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
VLDB
1999
ACM
13 years 11 months ago
1999
ACM
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...
PARELEC
2006
IEEE
14 years 1 months ago
2006
IEEE
Usually, theories of surface growth are based on the study of global processes without taking in account the local behaviour of atoms. We have implemented two Montecarlo simulation...