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APWEB
2004
Springer
14 years 2 months ago
Using Relational Database Constraints to Design Materialized Views in Data Warehouses
Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...
Taehee Lee, Jae-young Chang, Sang-goo Lee
CP
1998
Springer
14 years 26 days ago
Optimizing with Constraints: A Case Study in Scheduling Maintenance of Electric Power Units
A well-studied problem in the electric power industry is that of optimally scheduling preventative maintenance of power generating units within a power plant. We show how these pr...
Daniel Frost, Rina Dechter
DAIS
2007
13 years 10 months ago
Situation Specification and Realization in Rule-Based Context-Aware Applications
Context-aware applications use and manipulate context information to detect high-level situations, which are used to adapt application behavior. This paper discusses the specificat...
Patricia Dockhorn Costa, João Paulo A. Alme...
VTC
2010
IEEE
150views Communications» more  VTC 2010»
13 years 7 months ago
Optimizing Training-Based MIMO Systems: How Much Time is Needed for Actual Transmission?
—We study the design of training-based multiple-input multiple-output systems in two block-wise transmission schemes. The conventional transmission scheme has a fixed amount of ...
Xiangyun Zhou, Parastoo Sadeghi, Tharaka A. Lamahe...
ATAL
2006
Springer
14 years 12 days ago
No-commitment branch and bound search for distributed constraint optimization
We present a new polynomial-space algorithm for solving Distributed Constraint Optimization problems (DCOP). The algorithm, called NCBB, is branch and bound search with modificati...
Anton Chechetka, Katia P. Sycara