515 search results - page 45 / 103 » Query Decomposition, Optimization and Processing in Multidat... |
96
Voted
AAAI
2007
15 years 9 hour ago
2007
We consider the problem of computing optimal schedules in multi-agent systems. In these problems, actions of one agent can influence the actions of other agents, while the object...
ISCI
2007
14 years 9 months ago
2007
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
EDBT
2006
ACM
15 years 9 months ago
2006
ACM
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...
ICDT
1997
ACM
15 years 1 months ago
1997
ACM
We develop a new schema for unstructured data. Traditional schemas resemble the type systems of programming languages. For unstructured data, however, the underlying type may be mu...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
Query optimizers in current database systems are designed to pick a single efficient plan for a given query based on current statistical properties of the data. However, different...