Designing and Publishing Illegally Parked Bicycle LOD

  • Shusaku Egami The University of Electro-Communications
  • Takahiro Kawamura Japan Science and Technology Agency
  • Akihiko Ohsuga The University of Electro-Communications
Keywords: Linked Open Data, Semantic Web, Ontology, Urban problem


The illegal parking of bicycles is an urban problem in Japan and other countries. Illegally parked bicycles (IPBs) obstruct vehicles and pedestrian traffic, cause road accidents, encourage thefts, and disfigure streets. To solve the challenge posed by IPBs, we believed that it is necessary to collect and republish the data as reusable format. Therefore, we collected the number of IPBs, location information, time, and factors. Then, we integrated and republished these data as Linked Open Data (LOD) on the Web. In this paper, we described a schema design of illegally parked bicycle LOD (IPBLOD) and a methodology of designing LOD schema. Then, we collected data from SNS and website of municipality, and built the LOD of 98,982 triples. Furthermore, we presented several statistics based on IPBLOD.

Author Biographies

Shusaku Egami, The University of Electro-Communications
He received his master's degree in computer science from University of Electro-Communications in 2016. He is a Ph.D student in University of Electro-Communications. His research interests include the Semantic Web and Open Data.
Takahiro Kawamura, Japan Science and Technology Agency

He received his Ph.D. degree in computer science from Waseda University in 2001. He was a visiting researcher in Carnegie Mellon University, US, from 2001 to 2002. He is a senior researcher in Japan Science and Technology Agency. He is also an visiting associate professor in the Graduate School of Information Systems at the University of Electro-Communications since 2001, and a part-time lecturer in the Graduate School of Engineering at Osaka University since 2007. His research interests include the Semantic Web, open data, and software agent. He was a board member of the Japanese Society for Artificial Intelligence (JSAI) from 2012 to 2013. He received the 10-Year Award from International Semantic Web Conference 2012.

Akihiko Ohsuga, The University of Electro-Communications
He received his Ph.D. degree in computer science from Waseda University in 1995.  From 1981 to 2007 he was with Toshiba Corporation. He joined the University of Electro-Communications in 2007, and is currently a professor in the Graduate School of Informatics and Engineering, and is also a dean of the Graduate School of Information Systems. He is also a visiting professor at National Institute of Informatics. His research interests include agent technologies, web intelligence, and software engineering. He is a member of IEEE Computer Society (IEEE CS), Information Processing Society of Japan (IPSJ), Institute of Electronics, Information and Communication Engineers (IEICE), Japanese Society for Artificial Intelligence (JSAI), Japan Society for Software Science and Technology (JSSST), and Institute of Electrical Engineers of Japan (IEEJ).  He was a chair of IEEE CS Japan Chapter. He was a member of the board of directors of JSAI and JSSST.  He received the IPSJ Best Paper Awards in 1987 and 2017.


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