. . "The categories may be classified according to types of facilities such as \"stations\", golf courses\" and theaters\", so that a visiting purpose can be assumed with reference to the type name which is used as a keyword by a traveler to focus on desired facilities among very many facilities.Embodiment 3 Referring to the screen examples of FIG. 4A and FIG. 4B, description was made of the case of assu" . . .