A memory device for storing the following: tag information having a keyword and an attribute for scoring the keyword; connector information having an attribute for connecting two pieces of tag information and scoring the state of keywords connected to each other; and group information having an attribute for affiliating a plurality of pieces of tag information and scoring the affiliation states among the keywords. The keyword is scored on the basis of weighting carried out in accordance with tag information affiliation, weighting carried out in accordance with connector information affiliation, and weighting carried out in accordance with group information affiliation.
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD AND NON-TRANSITORY COMPUTER READABLE INFORMATION RECORDING MEDIUM