Importance

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Abstract

A method is described in which a client computer generates an HTTP request and transmits the request to a server computer that has access to a listing such as an e-mail listing, a directory listing, or a table. The HTTP request includes an identification of a number of row ranges within the listing. The server computer responds by transmitting an HTTP response that includes the number of row ranges back to the client computer. Since the entire listing need not be downloaded, and since a separate HTTP request is not required for each row range, time is conserved. In another method, the request includes an identification of a reference row other than by the row's exact sequential position in the listing. The row range is identified with respect to the reference row. Since row numbers for each given row can often change in frequently edited listings, the present invention more accurately downloads the desired rows.

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First Claim