Abstract
The popularization of restaurant information service is remarkable and it brings about change of consumer's behavior. In this study, we will compare of three major restaurant information services and analyze them.
In this study, structures of restaurant information services can be classified to three types and difference between each structure brings some effect to quality and quantity of information that each service offer to consumers.
On the other hand, it can be considered that there is same information source among each service regarding information commonly offered by them. These services use same information source as “commons" to increase quantity of information at low cost.
