| 摘要 |
A search service providing system provides, on an overlay network configured such that at least one node is assigned on a hash space by a distributed hash table technique, a search service for searching at least one resource shared on the overlay network. The node includes: an information collecting unit that collects the resource; a resource database in which the resource collected by the information collecting unit is stored; and a search service providing unit that when a search request for the resource shared on the overlay network is received from a node other than an own node, searches the content of the resource stored in the resource database and outputs a result of the search to the node which has requested the search.
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