| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a recommendation technology capable of determining similarity or relationship even under the situation where there is a little action information.SOLUTION: On the basis of link information caused by an action corresponding to a role of each action computer between all patterned electronic information that may be subjected to recommendation, including information for identifying each of patterned action computers, a relation management server generates a link deletion relation management database where a link is formed in a chain reaction on the basis of a link attribute between the electronic information included in electronic information patterns (target electronic information patterns) requested as the object of recommend and which represents a relationship between each electronic information item included in the target electronic information pattern and at least the action computer of a request source. Recommendation is performed from the relation management server to the action computer of the request source in accordance with the link deletion relation management database.</p> |
