8. A method, comprising: retrieving a first set of electronic documents; recording user interactions with contextual shortcuts in a second set of electronic documents, wherein said contextual shortcuts comprise associated keyword anchors and user-selectable links relating to said keyword anchors, said keyword anchors being associated with a context vector representing at least a portion of content of a given electronic document of said second set of electronic documents; updating an index of said second set of electronic documents based, at least in part, on said user interactions from said plurality of users, said updating comprising adding at least one previously non-indexed electronic document to said index at least partially in response to receiving one or more user interactions with said one or more contextual shortcuts contained within said at least one previously non-indexed electronic document, wherein said index is searchable by said plurality of users; determining a score for said given electronic document based, at least in part, on user selections of said user-selectable links of said contextual shortcuts within said given electronic document; and updating said index based, at least in part, on said first set of electronic documents and said score; and updating a ranking of individual ones of the first set of electronic documents is determined based, at least in part, on the recorded said user interactions from said plurality of users.
12. The method of claim 8 , wherein said keyword anchor comprises one or more words describing at least one of an entity or a concept.