Patent ID: 7523051

Claim:
An information processor for storing information provided from different kinds of information sources in a database and for executing processing on stored information, comprising: a provided information database storing information provided from the information sources corresponding to data for identifying information providing sources; evaluation data obtaining means for obtaining evaluation data for the information stored in the provided information database; reliability computing means for computing reliability of the provided information based on the evaluation data, and updating provided information database by deleting the information having a reliability below a threshold; highly-reliable-information-source extracting means for extracting one or more highly-reliable information sources from the information providing sources of the information stored in the updated provided information database based on the reliability data calculated by the reliability computing means, computing values of reliability for extracted highly-reliable information sources, and sorting the extracted highly-reliable information sources based on the computed values; and data transmitting means for transmitting data from or concerning the one or more highly-reliable information sources extracted by the highly-reliable information source extracting means to at least one user.