1. A method comprising: associating, by a computer system, a first plurality of tags with documents in a enterprise; associating, by the computer system, a second plurality of tags with individuals in the enterprise; receiving, by the computer system, a search query including a first tag; determining, by the computer system, a list of documents based on the search query, the list of documents including one or more documents in the enterprise that are associated with the first tag; determining, by the computer system, a list of experts based on the search query and the list of documents, the list of experts including one or more individuals in the enterprise that are associated with the first tag and one or more individuals in the enterprise that are knowledgeable about subject matter described in one or more documents in the list of documents; and generating, by the computer system, a user interface including the list of documents and the list of experts, wherein a rank value is determined for each document in the list of documents based on one or more connections between the document and individuals in the enterprise, wherein each document in the list of documents is ordered according to its rank value, wherein a rank value is determined for each expert in the list of experts based on one or more connections between the expert and documents in the enterprise and one or more connections between the expert and other individuals in the enterprise, and wherein the experts in the list of experts are ordered according to their rank values.