Il vise les travaux qui contribueront à élaborer des bancs d'essais de collections de bibliothèques numériques, notamment par le biais des quatre domaines principaux mentionnés ci-dessus.

Could you please translate this to English?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
It targets work which will contribute to developing test-beds of digital library collections, for instance through the four main areas listed above.