Patent ID: 7664514

Claim:
An information provision method for providing to a mobile terminal information corresponding to a position of the mobile terminal by using a computer, the information provision method comprising: acquiring information on the position of said mobile terminal; determining whether or not said mobile terminal is in one of a coverage zone and a margin zone on the basis of said information on the position, where the coverage zone and the margin zone are defined in advance so that the margin zone is outside the coverage zone and immediately adjacent to an outer boundary of the coverage zone; starting information provision to said mobile terminal when the mobile terminal enters the coverage zone; and ending said information provision to said mobile terminal when the mobile terminal goes out of the margin zone after the mobile terminal becomes a destination of the information provision, wherein an allowable residence time in said margin zone is set in advance, and said information provision is ended when a time for which said mobile terminal stays in said margin zone exceeds said allowable residence time.