Information management method and information management apparatus

摘要

An information management method to be executed by a computer (10), the information management method comprising: accepting a search request where latitude and longitude are specified; generating one character string by alternately arraying one character of the latitude and another one character of the longitude, each of the one character and the other one character is in a same digit regarding all of the digits of each of the latitude and the longitude, or some digits from the least significant digit of each of the latitude and the longitude; and searching for a key forward-agreeing with the character string from a storage unit in which information is stored in a manner correlated with a key.