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Master’s Dissertation 2015

Development of Navigation System That Helps Train Cognitive Map Construction

Shunta Furukawa Student ID Number 81334652

Supervisor Tetsuro Ogi

September 2015

Graduate School of System Design and Management, Keio University

Major in System Design and Management

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SUMMARY OF MASTER’S DISSERTATION Student

Identification Number

81334652

Name

Shunta Furukawa

Title Development of Navigation System That Helps Train Cognitive Map Construction

Abstract Train systems are likely to be complex; therefore, it is difficult to comprehend how the whole system looks. According to a survey executed by the authors of this paper, most people have experienced feelings of confusion when trying to select the proper train to get to their destination. In this paper, a visualization application that helps the user acquire train system knowledge is developed. The aim of this application is to be a support for associating path knowledge between stations and survey knowledge of train systems. How the spatial representation of train system looks in users mind is discussed to visualize it as a support of internal resources on navigation. A previous research proposed that special knowledge of human has three stages. First one is landmark knowledge, which represents points such as building or crossing. Second one is path knowledge, which represents the paths between points, and third one is survey knowledge, which is regarded as a form of map. In another previous research, a framework for spatial reasoning was proposed; the framework uses orientation to infer the form of a survey map. When you walk in city, you can easily recognize where you are heading and change the direction because you decide the direction. However, when it comes to train, it is difficult to properly assess which orientation a train heads because you don’t handle it. I believe that this is the reason why people get difficult to understand whole picture of train system. Furthermore, I found supporting sample from interview. Another consideration point on designing application is architecture of information. Previous aids show only one result on one movement. However, information that user need can be changing based on which stage the user is. The application was designed to imitate a flow of train usage therefore the application is able to provide appropriate information at right time. To verify whether the application is aiding train users in incorporating railway knowledge a pre-posttest comparison was conducted. The test subjects did an exam that required them to choose the correct name for a several stations. The subjects are separated into two groups, stimulus group and control group. Only stimulus group can use the application. The test was conducted twice, before and after using the application. Compared to the control group, which does not use the application, the stimulus group the application had a significant improvement on their post evaluation scores.

Key Word(5 words) Cognitive Map, Spacial Knowledge, Train, Navigation, Wayfinding

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30-35 When I used a subway, I checked some guidances to go to other subway's station. But Suddenly, the guidance was disappeared before I arrived at the next station. And then, I was lost a way.Japanese subways are really complicated. Sometimes, I cannot find what train I should get on in order to go to my destination, when the station's name displayed on the electronic board is different from the name, which I checked before leaving my home.

30-35 Google map is quite efficient to track the fares and the route. Sometimes I mess up by taking local train instead of the express train. For me, commutation would far more easier if 1. I could easily distinguish between local train and express train. 2. I get confused in a junction where same number is used for different platforms of different lines. Say there is platform no 1 for normal sub way, again platform number 1 for ginza line, again platform no 1 for tiza line... Yes, had quite a bit trouble, people were so kind enough to show me the way.

25-30 There two big troubles, they are all related with Language. 1, Not so many station staffs can speak English, I have difficulty in asking schedule, train information, gate in stations, except Shibuya station.2, There are stations that don't have route guidance in English. I might know destination station's name, but I can't find it in guidance board in Japanese. I really did not have any trouble at the first time in Station. Because my route was so easy to find and my friend helped me to understand all of things.

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