France Telecom

Christophe Dousson

Servane Bonjour

Fabrice Clerot

Mai Trang Thi Nguyen

Francoise Fessant

A method is provided for managing decisions between a central manager and at least one terminal in an architecture of networks distributed and prioritized according to N levels, with N&#x2267;2. The central manager is included in a level of rank N. The terminal is included in a level of rank. The method includes a step of distributing a decision tree constructed by the central manager and supported by the architecture.

Method for managing decisions, method for constructing a decision tree, central manager, intermediate manager, terminal and corresponding computer program products

An automatic method for learning frequent chronicles in an alarm log of a dynamic system for supervision of the system, and a learning system for using the method in a supervision system. According to the method, in an alarm log, alarm sequences are selected and then grouped in groups of similar sequences. Alarms of the groups are then used to produce partial logs. Frequent chronicles are then learned on each transmitted partial log and the partial set of frequent chronicles is determined. Then a set of chronicles in the log is formed with chronicles of the various partial sets.

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Lannion, France

Christophe Dousson