INFORMATION PROVIDING DEVICE, INFORMATION UPDATING METHOD, RECORDING MEDIUM HAVING INFORMATION PROVIDING PROGRAM RECORDED THEREON AND INFORMATION PROVIDING SYSTEM

摘要

PROBLEM TO BE SOLVED: To automatically select and preferentially provide important and new information for information to be provided for a user. SOLUTION: This device is provided with an information gathering means for gathering external information 31 which is the information originated from one or more specified information origination places 30 through a computer network 20, a comparison means for analyzing and comparing the external information 31 and the information to be provided, a relation calculation means 14 for calculating the value of the relation of a matching point and a similar point with the external information 31 for the respective pieces of the information to be provided, a freshness calculation means 15 for calculating the value of freshness for indicating the newness of the information and a priority calculation means 16 for calculating the priority of providing the information based on the relation and the freshness.