Computers and methods are provided for receiving a search request sent by a computer associated with a user. A set of documents comprising a plurality of documents that satisfy the search request is identified. At least some documents in the plurality of documents have previously been annotated by at least one user of a plurality of users. A response to the search request is sent. The response includes a ranked set of links to at least some of the plurality of documents that satisfy the search request. At least some of the links are to documents that have previously been annotated by at least one user of the plurality of users. The response is associated with instructions to display one or more corresponding annotations for at least some of the links to documents that have previously been annotated by at least one user of the plurality of users. The response is further associated with instructions to display a filter selector including one or more filter options to reduce the identified set of documents.