25. A machine-readable tangible and non-transitory medium having information recorded thereon for generating a document, wherein the information, when read by the machine, causes the machine to perform the following: obtaining first information related to one or more queries submitted by a user; obtaining second information related to behavior of the user with respect to one or more documents accessed by the user and identified in response to the one or more queries; identifying a research topic based on the first information; identifying at least one of the one or more documents related to the research topic based on the second information; and estimating an amount of time that a user spends reviewing the at least one of the one or more documents; generating a research document including information associated with the research topic and the at least one document, wherein generating the research document comprises including, based on the estimated time, each document in the one or more documents in either a first set of documents, or a second set of documents, and the research document is provided to the user by providing a display area comprising a link for the user to review information about the second set of documents, and in a separate display area by providing the user access to information about the first set of documents via a plurality of user interface elements.
25. A machine-readable tangible and non-transitory medium having information recorded thereon for generating a document, wherein the information, when read by the machine, causes the machine to perform the following: obtaining first information related to one or more queries submitted by a user; obtaining second information related to behavior of the user with respect to one or more documents accessed by the user and identified in response to the one or more queries; identifying a research topic based on the first information; identifying at least one of the one or more documents related to the research topic based on the second information; and estimating an amount of time that a user spends reviewing the at least one of the one or more documents; generating a research document including information associated with the research topic and the at least one document, wherein generating the research document comprises including, based on the estimated time, each document in the one or more documents in either a first set of documents, or a second set of documents, and the research document is provided to the user by providing a display area comprising a link for the user to review information about the second set of documents, and in a separate display area by providing the user access to information about the first set of documents via a plurality of user interface elements. 31. The medium of claim 25 , wherein the information, when read by the machine, causes the machine to further perform providing information about each document deemed related to the research topic in association with a query submitted by the user for which such document was identified.