Patent ID: 7827178
Filing Date: 2010-11-02
Classification: G06F

Abstract:
1. A control computer coupled to a storage apparatus and a search computer, wherein the storage apparatus stores plurality of information resources, and wherein the search computer receives a search request containing a search condition and transmits information resource list information containing at least one piece of information regarding at least one information resource of the plurality of information resources as a search result, the at least one information resource corresponding to the search condition, the control computer comprising; a processor; a cache memory that stores the at least one information resource of the plurality of information resources; and a cache candidate management table that manages the plurality of information resources being considered as candidates for storage in the cache memory, and that stores an accumulated number and a date for each of the plurality of information resources being considered as candidates for storage in the cache memory, wherein the accumulated number indicates the number of times the information resource is ranked within a range including a highest search hit rank down to a predetermined lower limit search hit rank, wherein the date indicates a last date at which the information resource was determined to be ranked in the range including the highest search hit rank down to the predetermined lower limit search hit rank, and wherein the processor is operable to: