705 search results - page 25 / 141 » Approximating Extended Answer Sets |
ESA
2004
Springer
15 years 3 months ago
2004
Springer
How efficiently can we search an unknown environment for a goal in unknown position? How much would it help if the environment were known? We answer these questions for simple poly...
AMW
2009
14 years 10 months ago
2009
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...
90
Voted
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...
169
Voted
ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
The problem of statistics and aggregate maintenance over data streams has gained popularity in recent years especially in telecommunications network monitoring, trend-related anal...
67
Voted
ICDE
2008
IEEE
15 years 4 months ago
2008
IEEE
— Current database systems are tailored to efficiently evaluate Boolean expressions which are typically used as selection conditions to restrict the result set. We propose to ad...