ACE-INPUTS: A Cost-Effective Intelligent Public Transportation System(Distributed Cooperation and Agents)

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概要

• 論文の詳細を見る

• With the rapid adoption of mobile devices and location based services (LBS), applications provide with nearby information like recommending sightseeing resort are becoming more and more popular. In the mean time, traffic congestion in cities led to the development of mobile public transportation systems. In such applications, mobile devices need to communicate with servers via wireless communications and servers should process queries from tons of devices. However, because users can not neglect the payment for the wireless communications and server capacities are limited, decreasing the communications made between central servers and devices and reducing the burden on servers are quite demanding. Therefore, in this paper, we propose a cost-effective intelligent public transportation system, ACE-INPUTS, which utilizes a mobile device to retrieve the bus routes to reach a destination from the current location at the lowest wireless communication cost. To accomplish this task, ACE-INPUTS maintains a small amount of information on bus stops and bus routes in a mobile device and runs a heuristic routing algorithm based on such information. Only when a user asks more accurate route information or calls for a "leave later query", ACE-INPUTS entrusts the task to a server into which real-time traffic and bus location information is being collected. By separating the roles into mobile devices and servers, ACE-INPUTS is able to provide bus routes at the lowest wireless communication cost and reduces burden on servers. Experimental results have revealed that ACE-INPUTS is effective and scalable in most experimental settings.

• 社団法人電子情報通信学会の論文
• 2007-08-01

著者

• Kim Sang‐wook

  Hanyang Univ. Kor

• Kim Sang‐wook

  Hanyang Univ. Seoul Kor

• Kim Sang-wook

  College Of Information And Communications Hanyang University

• PARK Sanghyun

  Department of Computer Science, Yonsei University

• Park Sanghyun

  Department Of Computer Science Yonsei University

• LEE Jongchan

  TmaxSoft Co., Ltd.

• SEO Minkoo

  Google, Korea

• Seo Minkoo

  Google Korea

• Lee Jongchan

  Tmaxsoft Co. Ltd.

• Park Sanghyun

  Yonsei Univ. Kor

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