Patent ID: 8434106

Claim:
An information processing system comprising: a client terminal; and a server device including a storage unit that stores, for each content, facet data composed of a plurality of facet items and facet values hierarchically arranged in a lower level of each of the plurality of facet items, priorities being assigned to the plurality of facet items, a receiving unit that receives content identifying information for identifying one content from the client terminal, a selection unit that selects one or more than one facet item of the one content and any facet value belonging to each of the one or more than one facet item, an acquisition unit that acquires relevant information of the one content based on a selected facet item and a selected facet value selected by the selection unit, and a transmission unit that transmits the relevant information acquired by the acquisition unit to the client terminal, wherein when a number of the relevant information to be acquired by the acquisition unit is to be increased and the selection unit has selected a selected facet item having a lowest priority and has originally selected a selected facet value belonging to the selected facet item which is not in a highest hierarchical level of the selected facet value, the selection unit selects another facet value which is arranged in a higher hierarchical level than that of the originally selected facet value instead of the originally selected facet value, and wherein when decreasing the number of the relevant information to be acquired by the acquisition unit, the selection unit sets the selected facet item or items and the selected facet value or values to a state which existed prior to performing a process of increasing the number of the relevant information such that the selection unit selects, with regard to the selected facet item having the lowest priority, instead of the facet value selected previously during the process of increasing the number of the relevant information, a facet value arranged in a lower hierarchical level than that of the previously selected facet value.