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Mrs. Stamelou Afroditi
Research Associate - Hellenic Institute of Transport CERTH-HIT)

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Research Keywords & Expertise

0 Bicycle & Pedestrian Planning
0 Public Transport Planning
0 Sustainable mobility
0 Transportation planning and management
0 Intelligent Transportation System (ITS)

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Journal article
Published: 05 October 2020 in Sustainability
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The COVID-19 pandemic had a significant effect in urban mobility, while essential changes are being observed in travelers’ behavior. Travelers in many cases shifted to other transport modes, especially walking and cycling, for minimizing the risk of infection. This study attempts to investigate the impact that COVID-19 had on travelers’ perceptions towards bike-sharing systems and whether the pandemic could result in a greater or lesser share of trips that are being conducted through shared bikes. For that reason, a questionnaire survey was carried out in the city of Thessaloniki, Greece, and the responses of 223 people were analyzed statistically. The results of the analysis show that COVID-19 will not affect significantly the number of people using bike-sharing for their trips. However, for a proportion of people, bike-sharing is now more attractive. Moreover, the results indicate that bike-sharing is now more likely to become a more preferable mobility option for people who were previously commuting with private cars as passengers (not as drivers) and people who were already registered users in a bike-sharing system. The results also provide evidence about the importance of safety towards COVID-19 for engaging more users in bike-sharing, in order to provide them with a safe mobility option and contribute to the city’s resilience and sustainability.

ACS Style

Andreas Nikiforiadis; Georgia Ayfantopoulou; Afroditi Stamelou. Assessing the Impact of COVID-19 on Bike-Sharing Usage: The Case of Thessaloniki, Greece. Sustainability 2020, 12, 8215 .

AMA Style

Andreas Nikiforiadis, Georgia Ayfantopoulou, Afroditi Stamelou. Assessing the Impact of COVID-19 on Bike-Sharing Usage: The Case of Thessaloniki, Greece. Sustainability. 2020; 12 (19):8215.

Chicago/Turabian Style

Andreas Nikiforiadis; Georgia Ayfantopoulou; Afroditi Stamelou. 2020. "Assessing the Impact of COVID-19 on Bike-Sharing Usage: The Case of Thessaloniki, Greece." Sustainability 12, no. 19: 8215.

Journal article
Published: 15 April 2019 in European Transport Research Review
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The use of participatory techniques in the field of transport is coming to the forefront recently. In this frame, eight co-creation workshops and five online crowdsourcing campaigns took place in Thessaloniki, Southern Tuscany, Rotterdam/The Hague, and Frankfurt, from which many innovative ideas to enhance Public Transport were generated by citizens. A simple list of innovations would not be very useful for Public Transport Operators, as they cannot implement all of them at once. There was an obvious need for their ranking and this is the purpose of this paper. The ranking was realized with the most used Multi-Criteria Decision Analysis method in transportation research, i.e. the Analytic Hierarchy Process, using three criteria: Feasibility, Utility, and Innovativeness. An online questionnaire was distributed to experts, using a modified snowball sampling technique, which yielded 97 completed questionnaires. Utility (42.90%) was found to be the most important criterion, followed by Feasibility (40.10%), and Innovativeness (17.00%). Four lists of innovations were derived, ranked with respect to a) all three examined criteria, b) Feasibility, c) Utility, and d) Innovativeness. The highest ranked innovation for a) and c) was found to be Mobility as a Service and platform with real-time travel, comfort, and multi-modal information; for b) City marketing from a Public Transport perspective; and for d) Advanced e-ticketing system. The results revealed which of the innovations are the most promising and provide valuable insight into how to integrate innovation with Public Transport to make it more attractive. Public Transport Operators may use the results according to the peculiarities of their city and the importance they give to Feasibility, Utility, and Innovativeness.

ACS Style

Dimitrios Nalmpantis; Anastasia Roukouni; Evangelos Genitsaris; Afroditi Stamelou; Aristotelis Naniopoulos. Evaluation of innovative ideas for Public Transport proposed by citizens using Multi-Criteria Decision Analysis (MCDA). European Transport Research Review 2019, 11, 22 .

AMA Style

Dimitrios Nalmpantis, Anastasia Roukouni, Evangelos Genitsaris, Afroditi Stamelou, Aristotelis Naniopoulos. Evaluation of innovative ideas for Public Transport proposed by citizens using Multi-Criteria Decision Analysis (MCDA). European Transport Research Review. 2019; 11 (1):22.

Chicago/Turabian Style

Dimitrios Nalmpantis; Anastasia Roukouni; Evangelos Genitsaris; Afroditi Stamelou; Aristotelis Naniopoulos. 2019. "Evaluation of innovative ideas for Public Transport proposed by citizens using Multi-Criteria Decision Analysis (MCDA)." European Transport Research Review 11, no. 1: 22.

Conference paper
Published: 12 December 2018 in Advances in Intelligent Systems and Computing
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Not all of the travel needs are adequately covered by the existing commercially oriented Public Transport (PT) services, while public funding is gradually being reduced. At the same time, disruptive global societal and market trends create new social challenges at local level. By activating the catalyst group of social entrepreneurs, new innovative solutions, with high social impact and value, could be applied filling the existing gaps in uncovered needs. At the moment, Social Entrepreneurship has not really been leveraged in PT in Greece, despite its potential. The involvement of the social entrepreneurs and social innovators towards the creation of more attractive, inclusive and sustainable PT related service for all, comprises an emerging and crucial topic. This was explored in the Greek national context by consulting professionals and experts coming from the mobility sector and social economy field, in the frame of an interactive, participatory workshop. The aim of this structured interaction that was based on the methods derived from collective innovation and focus group processes, was (i) the identification of potential synergies among Social Entrepreneurs and Public Transport, and (ii) the identification of potential barriers that such initiatives may face. Indeed, participants explored the fields where social entrepreneurs could be involved for the provision or the improvement of PT services and came up with some policy recommendations to overcome the identified barriers.

ACS Style

Afroditi Stamelou; Evangelos Genitsaris; Dimitrios Nalmpantis; Aristotelis Naniopoulos. Investigating Potential Synergies Among Social Entrepreneurship and Public Transport Through Experts’ Consultation in Greece. Advances in Intelligent Systems and Computing 2018, 496 -503.

AMA Style

Afroditi Stamelou, Evangelos Genitsaris, Dimitrios Nalmpantis, Aristotelis Naniopoulos. Investigating Potential Synergies Among Social Entrepreneurship and Public Transport Through Experts’ Consultation in Greece. Advances in Intelligent Systems and Computing. 2018; ():496-503.

Chicago/Turabian Style

Afroditi Stamelou; Evangelos Genitsaris; Dimitrios Nalmpantis; Aristotelis Naniopoulos. 2018. "Investigating Potential Synergies Among Social Entrepreneurship and Public Transport Through Experts’ Consultation in Greece." Advances in Intelligent Systems and Computing , no. : 496-503.

Conference paper
Published: 12 December 2018 in Advances in Intelligent Systems and Computing
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Public Transport (PT) is a key factor towards sustainable urban mobility. The increase of its modal share requires the continuous adoption of new innovative and user-centric solutions covering the existing and emerging needs of citizens. Which concepts and ideas should be promoted and financed by priority? The paper aims to present the quantitative evaluation of the innovative PT-related ideas resulted from the collective intelligence processes (crowdsourcing and co-creation) that were applied in the frame of the CIPTEC project (H2020). An online questionnaire survey was addressed to experts in order to evaluate quantitatively twenty selected concepts by rating them, against three distinct assessment criteria: utility, feasibility and innovativeness. The analysis enabled us to understand how the collected rates are varying, in the case of examining the distribution of either each innovation or each criterion individually. As an overall conclusion, it could be claimed that although the outcome of the collective intelligence process might not be always as innovative as it was initially planned, its advantage of being in line with both the PT demand and supply side needs and priorities, ensures its utility and feasibility and subsequently, the increased possibility for its adoption and market uptake.

ACS Style

Evangelos Genitsaris; Afroditi Stamelou; Dimitrios Nalmpantis; Aristotelis Naniopoulos. A Criteria-Based Evaluation Framework for Assessing Public Transport Related Concepts Resulted from Collective Intelligence Approaches. Advances in Intelligent Systems and Computing 2018, 529 -537.

AMA Style

Evangelos Genitsaris, Afroditi Stamelou, Dimitrios Nalmpantis, Aristotelis Naniopoulos. A Criteria-Based Evaluation Framework for Assessing Public Transport Related Concepts Resulted from Collective Intelligence Approaches. Advances in Intelligent Systems and Computing. 2018; ():529-537.

Chicago/Turabian Style

Evangelos Genitsaris; Afroditi Stamelou; Dimitrios Nalmpantis; Aristotelis Naniopoulos. 2018. "A Criteria-Based Evaluation Framework for Assessing Public Transport Related Concepts Resulted from Collective Intelligence Approaches." Advances in Intelligent Systems and Computing , no. : 529-537.