Patent ID: 8745668

Claim:
A method of processing service data at a digital receiver in a service system, the method comprising: receiving a broadcast signal including a content and signaling information for the content from a broadcasting station, and generating first service data based on the signaling information at the digital receiver; transmitting device information including to a first server; receiving a group identifier (ID) by combining a service name for the first service data and three IDs included in the device information from the first server, wherein the three IDs include an original network ID, a transport stream ID, and a service ID; transmitting a service list including the received group ID and the generated first service data to the first server at a first interval; requesting second service data to the first server; receiving the second service data based on a search parameter in response to the request from the first server; and outputting a service guide based on the second service data; wherein the second service data is configured from mixed first service data, which is transmitted from one or more digital receivers and crawled at the first server, and additional service data for the first service data transmitted from a second server at the first server, and wherein each respective digital receiver is configured to filter out service data, which is inaccessible by each respective digital receiver, among the second service data, store service data except for the filtered service data from the second service data and configure the service guide using the stored service data.