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DMDW
2000
161views Management» more  DMDW 2000»
15 years 5 months ago
View materialization for nested GPSJ queries
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
Matteo Golfarelli, Stefano Rizzi
LISA
1998
15 years 5 months ago
A Visual Approach for Monitoring Logs
Analyzing and monitoring logs that portray system, user, and network activity is essential to meet the requirements of high security and optimal resource availability. While most ...
Luc Girardin, Dominique Brodbeck
CASCON
1996
111views Education» more  CASCON 1996»
15 years 5 months ago
A hybrid process for recovering software architecture
A large portion of the software used in industry today is legacy software. Legacy systems often evolve into dicult to maintain systems whose original design has been lost or else ...
Vassilios Tzerpos, Richard C. Holt
NIPS
1996
15 years 5 months ago
Reinforcement Learning for Mixed Open-loop and Closed-loop Control
Closed-loop control relies on sensory feedback that is usually assumed to be free. But if sensing incurs a cost, it may be coste ective to take sequences of actions in open-loop m...
Eric A. Hansen, Andrew G. Barto, Shlomo Zilberstei...
CEC
2010
IEEE
15 years 5 months ago
Evolving natural language grammars without supervision
Unsupervised grammar induction is one of the most difficult works of language processing. Its goal is to extract a grammar representing the language structure using texts without a...
Lourdes Araujo, Jesus Santamaria