Category Archives: Uncategorized

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A Clustering-Based Framework for Individual Travel Behaviour Change Detection

Category : Uncategorized

In our recently published 2021 GIScience paper “A Clustering-Based Framework for Individual Travel Behaviour Change Detection“, we propose a clustering-based pipeline to delineate travel behaviours and detect possible change periods/points from raw GPS recordings. In particular, considering trip mode, trip distance, and trip duration as travel behaviour dimensions, we measure the similarities of trips and group them into clusters using hierarchical clustering. Two different methods are then proposed to detect changes in an individual’s observed usage proportion of trip clusters. Through testing the framework on a large-scale longitudinal GPS tracking dataset, we demonstrate its effectiveness in detecting change periods/points by jointly considering multiple travel behaviour dimensions.

The code is openly available on GitHub, with the possibility to reproduce the framework on the Geolife dataset. The study is to be presented at GIScience 2021 and the pdf version is available here.


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Keynote and paper presentation at the 12th International Symposium on Digital Earth (ISDE12)

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The MIE-Lab will be present at ISDE12 in Salzburg this year. Professor Martin Raubal will give a keynote with the title: Spatial decision-making for sustainability on Tuesday July 6th. Furthermore, Henry Martin will present the paper Using Information and Communication Technologies to facilitate mobility behavior change and enable Mobility as a Service in the solution for society & citizens track on July 7th. Find out more about the program here . The journal issue can be found here and the paper is available here.


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Doctoral Examination of Dominik Bucher

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Dominik Bucher has successfully defended his doctoral thesis titled “Spatio-Temporal Information and Communication Technologies Supporting Sustainable Personal Mobility” on 21 September 2020.

His research revolved around the question of how smartphone-tracked individual mobility data can be analyzed and utilized to support people in transitioning towards sustainable mobility usage. To this purpose, analysis methods (that identify transport modes, extract preferences and context, and detect changes in behavior), routing algorithms (that put an emphasis on personalized inter-modal transport involving a large number of transport options) and communication strategies (based on research on motivation and persuasion and evaluated using the large-scale mobility study GoEco!) were presented. Overall, if individual mobility data is used to give people eco-feedback and alternative route options in a timely manner, it is successful in helping people think about and adopt more sustainable mobility styles.


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We Welcome Dr. Yanan Xin to the MIE Lab Team

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We welcome Dr. Yanan Xin as our newest team member. After successfully completing her PhD at the Pennsylvania State University, she joins the MIE lab in the role of the lead researcher.


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Exploring Choices between Internal Combustion Engine Cars and Electric Vehicles

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In our recent publication “Exploring Factors that Influence Individuals’ Choice Between Internal Combustion Engine Cars and Electric Vehicles“, we use a large dataset of people owning both an Internal Combustion Engine (ICE) car as well as an Electric Vehicle (EV) to determine the impacts of various predictor variables on their choices between the two car types. The gained insights may give additional information to assess common uncertainties regarding EVs: “How far can I drive with a fully charged vehicle? How quickly does the battery wear out? Does the reduced range and/or lack of a substantial number of charging stations impact my mobility?”

We find that chocies between ICE cars and EVs are regular considering an individual user, but that it is almost impossible to guess how someone will choose for a given trip if nothing about the person is previously known. This is a strong indication that most trips can easily be performed with any of the two vehicle types, and only individual preferences and circumstances determine the choices.


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MIE Lab involved in Future Resilient Systems II programme

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The second phase of the FRS programme at the Singapore-ETH Centre officially started on April 1st with an online research kick-off meeting. It was launched in the midst of a global crisis – COVID-19, highlighting the need to better understand and foster resilience. Within FRS-II there is a particular emphasis on social resilience to enhance the understanding of how socio-technical systems perform before, during and after disruptions. MIE Lab researchers will contribute within a research cluster focusing on distributed cognition (led by Martin Raubal). More specifically, we will develop a methodology and prototype for detecting weak signals in mobility data to identify potential disruptions.


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Interview with Former Lab Member Dr. David Jonietz

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Our former lab member Dr. David Jonietz recently gave an interview regarding how geospatial data and a digital map of the world can help transform mobility. Currently a research group leader at HERE Technologies, David Jonietz points out how we can step beyond simple maps to create more comprehensive digital representations of reality, which in turn can be used for traffic prediction and management, optimization of mobility systems, and more.

Read the full interview on the SCCER Mobility homepage.


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We are hiring!

Category : Uncategorized

We are exited to announce that we have an open position in our lab. We are looking for a new post-doc to take over the team lead at the MIE-Lab as soon as possible. If you are interested, please check the description at the ETH jobpage:
https://jobs.ethz.ch/job/view/JOPG_ethz_7R9Rl0z6QH6GC0M9Cv


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Jannik Hamper joins MIE Lab

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We welcome Jannik as our new team member! He holds a B.Sc. in Mathematics from FAU Erlangen and a M.Sc. in Statistics from ETH Zurich. His work will focus on applying machine learning and data analysis methods to problems in mobility and energy science.

Read more here!


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Team MIE-Lab wins second place at IARAI Traffic4cast core competition.

Category : Uncategorized

We are happy to announce, that our team scored the second place at the IARAI Traffic4cast competition! The goal of the competition was to predict the traffic in 3 different major cities (Berlin, Istanbul, Moscow) based on high resolution traffic map movies.

Over 40 teams participated and submitted a total of over 4000 submissions in the competition. You can check out our code and the documentation!

As the second place we won 5000$ and an invitation to present at NeurIPS 2019.

Not all members of our competition team are officially affiliated with the MIE-Lab, so special thanks to Ye Hong, Christian Rupprecht and René Buffat!