COMMUNICATION TERMINAL DEVICE, COMPUTER PROGRAM, AND CONTENT SEARCH METHOD

摘要

PROBLEM TO BE SOLVED: To achieve a content search which is superior in traffic suppression compared with flooding.SOLUTION: A communication terminal device which is connected, as one node, to a network where a plurality of nodes transmit and receive contents to and from each other includes: a storage management unit which stores a search history in a memory when the content search is executed; a similarity determination unit which determines whether a desired content being the object of the content search is similar to past searched contents shown by the search history or not on the basis of metadata of these contents; and a search unit which inquires of a node that possesses a content determined to be similar to the desired content out of nodes that possess the past searched contents shown by the search history about whether the node possesses the desired content or not.