RELATING INFORMATION RETRIEVAL DEVICE AND STORAGE MEDIUM RECORDING PROGRAM FOR EXECUTING RELATING INFORMATION RETRIEVAL PROCESSING

摘要

PROBLEM TO BE SOLVED: To provide a relating information retrieval device capable of dynamically retrieving information relating to provided information at the time of passively receiving the provided information. SOLUTION: This relating information retrieval device which is provided in information provision terminal equipment provided with an information reproduction means 101 for successively reproducing the provided information and is for retrieving relating information relating to the provided information is provided with an information extraction means 111 for receiving reproduction position information for indicating a position where a reproduction processing for the provision information is completed from the information reproduction means 101 and extracting at least a part of the provided information as evaluation object information based on the reproduction position information, a feature evaluation means 112 for receiving the evaluation object information from the information extraction means 111 and evaluating a feature amount for indicating the feature, a retrieval means 113 for retrieving the relating information from an accessible retrieval server based on the feature amount and a relating information output means 114 for outputting a retrieved result obtained by the retrieval means 113 and presenting it to a user.