6. A method comprising: receiving data indicating an engagement action associated with a content item, the engagement action performed by a first user and the content item associated with a topic; determining a first topical reputation score related to the topic for the first user based on one or more other engagement actions associated with the content item; receiving data describing a second management action performed by a second user on the content item, where the second user has abilities to curate content items associated with the topic, the second management action including one of an approval and a rejection to include the content item in the topic; determining a first set of impact scores for the second management action performed by the second user; and adjusting the first topical reputation score for the first user based on the first set of impact scores.
6. A method comprising: receiving data indicating an engagement action associated with a content item, the engagement action performed by a first user and the content item associated with a topic; determining a first topical reputation score related to the topic for the first user based on one or more other engagement actions associated with the content item; receiving data describing a second management action performed by a second user on the content item, where the second user has abilities to curate content items associated with the topic, the second management action including one of an approval and a rejection to include the content item in the topic; determining a first set of impact scores for the second management action performed by the second user; and adjusting the first topical reputation score for the first user based on the first set of impact scores. 7. The method of claim 6 , wherein the first set of impact scores includes a first impact score generated by the second management action and a second impact score generated by a new engagement action established upon the second management action.