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102
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VLDB
2005
ACM
15 years 9 months ago
2005
ACM
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
223
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ICDE
2008
IEEE
16 years 4 months ago
2008
IEEE
Freshness and accuracy are two key measures of quality of service (QoS) in location-based, mobile continual queries (CQs). However, it is often difficult to provide both fresh and ...
115
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KBS
2010
15 years 1 months ago
2010
The users of a content repository express the semantics they have in mind while defining the content items and their properties, and forming them into a particular hierarchy. How...
152
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WSC
1998
15 years 4 months ago
1998
A significant challenge in implementing the Theory of Constraints in the semiconductor industry is the complex and reentrant nature of the manufacturing process. Managing a constr...
114
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CDC
2008
IEEE
15 years 10 months ago
2008
IEEE
— This paper deals with the tracking problem for constrained linear systems using a model predictive control (MPC) law. As it is well known, MPC provides a control law suitable f...