RSS channel information provision method and system and portable device using the same

摘要

An RSS provision method and system and portable device is provided for facilitating subscription to RSS channels and update of the subscribed RSS channels by providing RSS channels classified as being in the same category as that of a requested RSS channel. The Rich Site Summary (RSS) channel information provision method includes transmitting an RSS channel information request message from a mobile terminal, the RSS channel information request message indicating a target RSS channel; searching a database for addresses of other RSS channels classified as being in the same category as that of the target RSS channel; transmitting, when no address of other RSS channel is found, a second type RSS channel information request message to a web server; transmitting an RSS channel information response message from the web server to the gateway in response to the second type RSS channel information request message, the RSS channel information response message containing information regarding the target RSS channel and other RSS channels classified as being in the same category as that of the target RSS channel; and displaying, at the mobile terminal, the information on the target RSS channel and other RSS channels extracted from the RSS channel response message.

主权项

1. A Rich Site Summary (RSS) channel information provision method in a gateway comprising:
receiving a first type RSS channel information request message requesting information on a selected RSS channel from a mobile terminal; searching a database for addresses of other RSS channels having a category classified as being in a same category as the selected RSS channel; transmitting, when no address of other RSS channels is found, a second type RSS channel information request message, which requests information of the selected RSS channel and RSS channels belonging to a category of the selected RSS channel, to a web server; receiving, in response to the second type RSS channel information request message, a first RSS channel information response message containing information regarding the selected RSS channel and addresses of other RSS channels classified as being in the same category as that of the selected RSS channel from the server; transmitting the first RSS channel information response message to the mobile terminal; when at least one address of the other RSS channels is found, transmitting the first type RSS channel information request message to the web server, receiving, in response to the first type RSS channel information request message, a second RSS channel information response message containing only the information on the selected RSS channel from the server; and transmitting the second RSS channel information response message with the information on the other RSS channels included in the database to the mobile terminal.