239 search results - page 37 / 48 » Maintaining Data Freshness in Distributed Real-Time Database... |
PODC
2006
ACM
14 years 1 months ago
2006
ACM
We study the problem of maintaining sketches of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in w...
KDD
2004
ACM
14 years 8 months ago
2004
ACM
Data cube pre-computation is an important concept for supporting OLAP(Online Analytical Processing) and has been studied extensively. It is often not feasible to compute a complet...
MIDDLEWARE
2004
Springer
14 years 28 days ago
2004
Springer
Abstract. Edge-server architectures are widely used to improve webapplication performance for non-transactional data. However, their use with transactional data is complicated by t...
BMCBI
2008
13 years 7 months ago
2008
Background: On-line biodiversity information databases are growing quickly and being integrated into general bioinformatics systems due to the advances of fast gene sequencing tec...
SIGMOD
1999
ACM
13 years 12 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...