[25] Kenichi TANAKA and Shigeki TORIUMI (2016): Extension of the maximum flow-covering location and service start-time problem to allow flexible consumption,Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol.10, No.3, p.JAMDSM0044, (DOI: 10.1299/jamdsm.2016jamdsm0044).
[24] Yudai HONMA and Shigeki TORIUMI (2016):A Mathmatical Analysis for Electric Vehicle Movement with Respect to Multiple Charging-stops,Journal of Energy Engineering, Online Publication Date: 1 Jun 2016, (DOI: 10.1061/(ASCE)EY.1943-7897.0000356).
[21] Yudai HONMA and Shigeki TORIUMI (2014) : Model Analysis of Electric Vehicle Charging Infrastructure Development on Highways -An Approximation of the Required Scale of Electric Vehicle Charging Facilities- [PDF], FORMA, Vol.29, No.1, pp.41-50.
[20] Shigeki TORIUMI, Azuma TAGUCHI and Teturo MATSUMOTO (2014) : A Model to Simulate Delay in Train Schedule Caused by Crowded Passengers - Using a Time-Space Network -, International Regional Science Review, Volume 37, Issue 2, pp.225-244, (DOI: 10.1177/0160017614526883).
[19] Ryuichi SHIBASAKI, Toshio AZUMA, Tomihiro WATANABE and Shigeki TORIUMI (2013): A container cargo assignment model on a real international maritime shipping network and application to the Suez Canal transit analysis, Proceedings of International Association of Maritime Economists Conference 2013, CD-ROM.
[17] Shigeki TORIUMI and Ryuta TAKASHIMA (2012): A Sea Lane Network and Chokepoints in Maritime Transport, Proceedings of 2012 Asian Conference of Management Science & Applications, CD-ROM.
[16] Shigeki TORIUMI and Daisuke WATANABE (2012): Geographical Analysis On Piracy And Armed Robbery Incidents In Maritime Transportation, Proceedings of 4th International Conference on Transportation and Logistics, CD-ROM.
[15] Shigeki TORIUMI and Daisuke WATANABE (2011): Time-space Network Analysis of Piracy Activity in Maritime Transportation, Proceedings of 2011 Asian Conference of Management Science & Applications, CD-ROM.
[13] Shigeki TORIUMI (2009): An Algorithm for Composing Principal Road Network from Digital Road Map by Using Topological Information [PDF], FORMA, Vol.23, No.2, pp.97-107.
[30] Ryuta TAKASHIMA, and Shigeki TORIUMI (2013): Economics and chokepoints risk of maritime transport for crude oil, 日本オペレーションズ・リサーチ学会2013年春季研究発表会アブストラクト集, pp.232-233.
[21] Yudai HONMA and Shigeki TORIUMI (Oct 23, 2017) : Random Utility Model for Electric Vehicle Movement with Respect to Multiple Charging Stops, INFORMS Annual Meeting 2017, Houston, TX, USA.
[20] Shigeki TORIUMI and Ryuta TAKASHIMA (Oct 23, 2017) : Evaluation of Importing Countries and Transportation Mode of Energy Resources Considering Uncertainty, INFORMS Annual Meeting 2017, Houston, TX, USA.
[19] Ayumi SEKIMORI, Shigeki TORIUMI and Ryuta TAKASHIMA (Nov 15, 2016) : Evaluating risks of maritime transportation and countries of import source for LNG, INFORMS Annual Meeting 2016, p.267, Nashville, TN, USA.
[18] Shigeki TORIUMI (Jun 12, 2016) : Demand forecasting of both accommodation and transportation for Tokyo Olympic 2020, INFORMS International Conference 2016, p.13, Hawai, HI, USA.
[17] Shigeki TORIUMI and Ryuta TAKASHIMA (Nov 4, 2015) : An economic evaluation of CO2 emissions reductions from marine transportation of LNG, INFORMS Annual Meeting 2015, p.422, Philadelphia, PA, USA.
[16] Shigeki TORIUMI, Keisuke INADA and Ryuta TAKASHIMA (Nov 11, 2014) : Evaluating risk of international transportation for energy resources, INFORMS Annual Meeting 2014, p.309, San Francisco, CA, USA.
[15] Daisuke WATANABE and Shigeki TORIUMI (Nov 10, 2014) : Geospatial Analysis on Somali Piracy, INFORMS Annual Meeting 2014, p.167, San Francisco, CA, USA.
[14] Ryuta TAKASHIMA, Shigeki TORIUMI and Keisuke INADA (June 17, 2014): Maritime transport for LNG, power generation, and electric transmission, The 37th International Association for Energy Economics (IAEE) International Conference, New York, NY, USA.
[13] Shigeki TORIUMI, and Ryuta TAKASHIMA (Oct 9, 2013): A Mathematical Model of Maritime Transport for Energy Resource with Choke Points Risk, INFORMS Annual Meeting 2013, p.419, Minneapolis, MN, USA.
[12] Yudai HONMA and Shigeki TORIUMI (Oct 7, 2013): Determining the Number of Battery Stations and that of Pits for EVs Based on Japanese Networks, INFORMS Annual Meeting 2013, p.188, Minneapolis, MN, USA.
[11] Ryuta TAKASHIMA, Yusuke KUNO and Shigeki TORIUMI (Aug 20, 2013): An Economic Evaluation of Multilateral Approaches to Nuclear Fuel Cycle, 13th IAEE European Conference 2013, Dusseldorf, Germany.
[10] Yudai HONMA and Shigeki TORIUMI (Jul 1, 2013): Estimating the Number of Electric Vehicles to Battery Charging Stations Allowing for Multiple Charging, 26th European Conference on Operational Research (EURO-INFORMS2013), p.40, Roma, Italia.
[9] Ryuta TAKASHIMA and Shigeki TORIUMI (Jun 26, 2012): Evaluating chokepoints ratio in maritime transport, The 35th Annual IAEE International conference, Perth, Australia.
[8] Shigeki TORIUMI and Daisuke WATANABE (Nov 15, 2011): Geographical Analysis on Piracy Activity in Maritime Transportation, INFORMS Annual Meeting 2011, Charlotte, NC, USA.
[7] Ririka TAKAHASHI, Shigeki TORIUMI and Azuma TAGUCHI (Nov 14, 2011): A Study to Analyze the Distribution of Transits Included in Aviation Trips Using Time-space Networks, INFORMS Annual Meeting 2011, Charlotte, NC, USA.
[6] Yudai HONMA and Shigeki TORIUMI (July 15, 2011): An Analysis for the Required Number of EV Stations in Highway Networks Based on Z-transform, 19th Triennial Conference of the International Federation of Operational Research Societies (IFORS2011), p.116, Melbourne, Australia.
[5] Daisuke WATANABE and Shigeki TORIUMI (July 14, 2011): Time-space Network Analysis of Piracy Activity in Maritime Transportation, 19th Triennial Conference of the International Federation of Operational Research Societies (IFORS2011), p.93, Melbourne, Australia.
[4] Ririka TAKAHASHI, Shigeki TORIUMI and Azuma TAGUCHI (July 12, 2011): A Time-space Network Flow Model to Simulate the Trips on International Regular Airlines, 19th Triennial Conference of the International Federation of Operational Research Societies (IFORS2011), p.67, Melbourne, Australia.
[3] Yudai HONMA and Shigeki TORIUMI (Nov 9, 2010): Mathematical Model for Required Number of EV Stations in Highway Networks, INFORMS Annual Meeting 2010, Austin, Texas, USA.
[2] Shigeki TORIUMI (Oct 14, 2009): An analysis for shipping route of container carrier using vessel movements data, INFORMS Annual Meeting 2009, San Diego, California, USA.
[1] Shigeki TORIUMI and Azuma TAGUCHI (July 15, 2005): A simplification method for high quality spatial data maintaining topological structure, 17th Triennial Conference of the International Federation of Operational Research Societies (IFORS2005), Honolulu, Hawaii USA.