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 koala8

link 11.07.2005 7:26 
Subject: case-based system
Help! Что это такое?
A case based system for oil and gas well design with risk assessment
???????
пасибо

 10-4

link 11.07.2005 7:30 
Нужен широкий контекст. Case может быть "расчетным вариантом", а может - просто "прецедентом" или "традицией".

 koala8

link 11.07.2005 7:42 
A case base system for a complex problem like oil field design needs to be richer than the usual case based reasoning system. Genesis, the system described in this paper contains large heterogeneous cases with metalevel knowledge. A multi-level indexing scheme with both preallocated and dynamically computed indexing capability has been implemented. A user interface allows dynamic creation of similarity measures based on modelling of the user's intentions. Both user aiding and problem solution facilities are supported, a novel feature is that risk estimates are also provided. Performance testing indicates that the case base produces on average, better predictions for new well developments than company experts. Early versions of the system have been deployed into oil companies in 6 countries around the world and research is continuing on refining the system in response to industry feedback.

Еще нашла про case based reasoning http://www.cs.wustl.edu/~loui/mitcs
Но не могу четко понять, что это

 10-4

link 11.07.2005 7:56 
ИМХО это автоматизированная (компьютерная) система проектирования скважин, использующая метод аналогий. Т.е. система выдает оптимальный проект, на основе анализа результатов по энному количеству уже пробуренных в сходных условиях скважин. А теперь в эту систему добавили еще "оценку риска."

 

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