1. A method comprising: receiving one or more data items associated with a first user of a social-networking system, the one or more data items being related to an entity; accessing, by one or more processors associated with one or more computer servers associated with the social-networking system, one or more data stores storing a social graph of the social-networking system, the social graph comprising a plurality of nodes and plurality of edges between nodes, the nodes comprising user nodes corresponding to users of the social-networking system and concept nodes corresponding to concepts; identifying, by the one or more processors, one or more nodes of the social graph that likely match the entity; and associating, by the one or more processors, at least one of the data items to at least one of the identified nodes.