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» Open Constraint Optimization
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113
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AIPS
2003
15 years 5 months ago
SOFIA's Choice: Scheduling Observations for an Airborne Observatory
We describe the problem of scheduling observations for an airborne astronomical observatory. The problem incorporates complex constraints relating the feasibility of an astronomic...
Jeremy Frank, Elif Kürklü
125
Voted
CCE
2005
15 years 3 months ago
Uncertainties in parameter estimation and optimal control in batch distillation
Optimal control problems in batch distillation involve finding a trajectory for the reflux ratio so as to maximize a performance index. Then the controller is asked to follow this...
Saadet Ulas, Urmila M. Diwekar, Mark A. Stadtherr
143
Voted
PODS
2007
ACM
159views Database» more  PODS 2007»
16 years 3 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...
155
Voted
INFOCOM
2010
IEEE
15 years 2 months ago
Distributed Opportunistic Scheduling for Ad-Hoc Communications Under Delay Constraints
—With the convergence of multimedia applications and wireless communications, there is an urgent need for developing new scheduling algorithms to support real-time traffic with ...
Sheu-Sheu Tan, Dong Zheng, Junshan Zhang, James R....
118
Voted
WWW
2001
ACM
16 years 4 months ago
A unified constraint model for XML
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
Gabriel M. Kuper, Jérôme Siméo...