1. A method implemented on at least one machine each of which has at least one processor, storage, and a communication platform connected to a network for generating a document, comprising: 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; 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.
1. A method implemented on at least one machine each of which has at least one processor, storage, and a communication platform connected to a network for generating a document, comprising: 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; 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. 7. The method of claim 1 , further comprising 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.