A brief description of the AUL phases and levels.
|Phase||Phase definition||AUL||Level description|
|Phase I||Discovery and viability||1||Basic research|
|2||Establishment of users and their requirements|
|3||Assess viability and current state of the art|
|Phase II||Development, testing, and validation||4||Initial integration and verification|
|5||Demonstration in the relevant context|
|Phase III||Implementation and integration into operation||7||Application prototype|
|8||Validation in relevant context|
|9||Approved for on-demand use|
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.