de leden van de community worden in kaart gebracht
English translation: listed/reviewed
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The members of the community are charted/registered.
Explanation: It all depends a little on the context. I guess you can use CHARTED if you are using a filing system with cards and REGISTERED/LISTED if it is lists you are referring to. I assume they are putting together some sort of register to know how many people are in the community, sort of like a register of population or a member list.