2299 search results - page 1 / 460 » Logical Data Expiration |
TIME
2002
IEEE
13 years 9 months ago
2002
IEEE
VLDB
1998
ACM
13 years 9 months ago
1998
ACM
Data warehouses collect data into materialized views for analysis. After some time, some of the data may no longer be needed or may not be of interest. In this paper, we handle th...
AMW
2009
13 years 6 months ago
2009
We investigate the space requirements for summaries needed for maintaining exact answers to aggregate queries over histories of relational databases. We show that, in general, a su...
TIME
2007
IEEE
13 years 11 months ago
2007
IEEE
Transaction-time temporal databases and query languages provide a solid framework for analyzing properties of queries over data streams. In this paper we focus on issues connected...
QEST
2006
IEEE
13 years 11 months ago
2006
IEEE
One of the fundamental decisions in content networks is how the information about the existing contents is deployed and accessed. In particular, in many content network architectu...