Amadeus S.a.s.

Maxime Godeau

Jeremy Teyssedre

Mathieu Philippe Beynel

Olivier Cazeaux

Mathieu Philippe Alexis Beynel

Thibault Serot

Amar Muharemovic

Embodiments of the invention provide an event management device for managing events comprising an event detector configured to detect the occurrence of an event related to data delivered by a data delivery system and to extract user data related to the detected event from a user data storage, the extracted user data comprising user data stored in at least one entry of the user data storage. The event management device further comprising a rule manager configured to determine one or more actions to be executed by applying one or more rules using the extracted user data, the event management device being configured to trigger execution of at least one determined action. The system may further dynamically update the rules using feedback data received for the executed actions.

Event management device and method

A method of maintaining a distributed ledger at a client node includes: storing a distributed ledger defining a plurality of records each containing a set of values; storing (i) a local voting weight corresponding to the client node, and (ii) respective remote voting weights for a plurality of remote client nodes; obtaining a proposed update to a record of the distributed ledger; generating a local vote to apply or discard the proposed update and transmitting the local vote to the remote client nodes; receiving remote votes to apply or discard the proposed update from the remote client nodes; determining whether to permit the proposed update based on (i) the local vote and the local voting weight, and (ii) the remote votes and the corresponding remote voting weights; and according to the determination, applying the proposed update to the distributed ledger or discarding the proposed update.

System and method for maintaining a distributed ledger

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Biot, France

Maxime Godeau