| 摘要 |
A server includes an input information database (14) that stores input information where position information indicating a geographic position, a word given to the position, and a user ID identifying a user having given the word to the position are associated with one another, a dictionary database (15) that stores dictionary data indicating associations between words, and an association unit (17) that extracts a plurality of input information where the geographic positions are included in one geographic range and the words are associated with each other by referring to those databases, associates the extracted plurality of input information with each other by assigning a common identifier to the plurality of input information, and enters the plurality of input information into the input information database (4). |
