14. A method for presenting search results at a computer system, the computer system including a processor, the method comprising the processor: accessing tagged data, the tagged data tagged from one or more documents, for each of the one or more documents, the tagged data identifying items in the document for which the document may be searched and the tagged data also identifying portions of the document that are eligible for alteration, based on classification of the identified portions; identifying a search result from within a previously returned plurality of search results, the previously returned plurality of search results including the one or more documents, the identified search result for a document from among the one or more documents, the search result referencing a tagged portion of the document; determining that a user has access privileges to at least a portion of the document based on an access policy; determining that the user does not have access to the tagged portion of the document based on classification of the tagged portion and based on the access policy; and altering the search result so that that the tagged portion is not presented as part of the search result to the user.
15. The method of claim 14 , wherein identifying a search result from within a previously returned plurality of search results comprises identifying a raw search result.