2166 search results - page 338 / 434 » Continuous query processing in data streams using duality of... |
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
While work in recent years has demonstrated that wavelets can be efficiently used to compress large quantities of data and provide fast and fairly accurate answers to queries, lit...
VLDB
2007
ACM
14 years 2 months ago
2007
ACM
Intuitively, aggressive work sharing among concurrent queries in a database system should always improve performance by eliminating redundant computation or data accesses. We show...
SENSYS
2003
ACM
14 years 2 months ago
2003
ACM
Wireless sensor networks enable dense sensing of the environment, offering unprecedented opportunities for observing the physical world. Centralized data collection and analysis a...
ER
2008
Springer
13 years 10 months ago
2008
Springer
Modern information systems, and web information systems in particular, are faced with frequent database schema changes, which generate the necessity to manage them and preserve the...
PETRA
2009
ACM
14 years 3 months ago
2009
ACM
Event search is the problem of identifying events or activity of interest in a large database storing long sequences of activity. In this paper, our topic is the problem of identi...