Construction of pedestrian navigation system and its evaluation

This paper mentions the construction of the pedestrian navigation system which deals with subjective information. This system consists of the route setting part and the instruction generation part. The route setting part chooses the route with highest subjective satisfaction degree which are obtained by fuzzy measures and integrals. The instruction generation part gives users the instructions with linguistic terms which have the highest fitness value for the users' sensuous feeling of distance (SFD). The instruction generation part has database of users' cognitive distance which is expressed by a fuzzy set that corresponds to a linguistic term. This paper also evaluates the present system by the subjective experiments and the analysis of fuzzy measures.