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The Tunnel Problem is a philosophical thought experiment first introduced by Jason Millar. It is a variation on the classic Trolley Problem, a thought experiment introduced in the 1960s, and much discussed ever since. The tunnel problem is intended to draw one's attention to a specific issue in design/engineering ethics, and was first presented as follows: Tunnel Problem: You are travelling along a single lane mountain road in an autonomous car that is fast approaching a narrow tunnel. Just before entering the tunnel a child attempts to run across the road but trips in the center of the lane, effectively blocking the entrance to the tunnel. The car has but two options: hit and kill the child, or swerve into the wall on either side of the tunnel, thus killing you. How should the car react?〔http://robohub.org/an-ethical-dilemma-when-robot-cars-must-kill-who-should-pick-the-victim/〕 Similar thought experiments have been brought forth by philosophers focusing on the topic of autonomous cars.〔http://www.wired.com/2014/05/the-robot-car-of-tomorrow-might-just-be-programmed-to-hit-you/?mbid=social_fb〕 The premise of these thought experiments is that even with highly sophisticated selfdriving car technologies, the cars will face situations where harm cannot be avoided. ==Overview== The tunnel problem is meant to focus one's attention on two questions that it raises for designers and users of autonomous cars: # How should the car react? # Who should decide how the car reacts? In its original formulation the tunnel problem is discussed as an "end-of-life" decision for the passenger of the car: depending on the way the car reacts, the passenger either lives or dies. Because of that feature, Millar argues that the tunnel problem forces us to question whether designers/engineers have the legitimate moral authority to make the decision on behalf of autonomous car users. Indeed, the second question is meant to challenge the standard notion that all design decisions are just technical in nature. Where design features provide "material answers to moral questions"〔http://robots.law.miami.edu/2014/wp-content/uploads/2013/06/Proxy-Prudence-Rethinking-Models__-of-Responsibility-for-Semi-autonomous-Robots-Millar.pdf〕 in the use context, Millar argues that designers must find ways to incorporate user preferences in order to avoid unjustifiable paternalistic relationships between technology and the user.〔http://www.law.miami.edu/webcast/video.php?location=depatments&stream=20140404_WeRobot_Part3.mp4&width=480&height=270&page=〕 Because the tunnel problem focuses on ethical design issues in semi-autonomous technologies, it is considered a problem in roboethics.〔http://ubyssey.ca/news/ubc-researchers-are-looking-to-open-up-dialogue-surrounding-public-opinion-on-driverless-cars-323/〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tunnel problem」の詳細全文を読む スポンサード リンク
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