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  • 1.
    Axelsson, Jakob
    et al.
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Bergh, Torsten
    Swedish Transport Administration/Movea, Sweden.
    Johansson, Alexander
    KTH Royal Institute of Technology, Sweden.
    Mårdberg, Björn
    Volvo, Sweden.
    Svenson, Pontus
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Åkesson, Viktor
    DB Schenker, Sweden.
    Truck Platooning Business Case Analysis2020Report (Other academic)
    Abstract [en]

    In this report we describe results from the work on business case analysis of the Sweden for Platooning (S4P) project. Platooning has the potential to contribute to the on-going transformation of the transport sector by reducing environmental impact, saving fuel, as well as (to a lesser extent) by improving traffic flow and safety and in the long run reducing driver hours. In order to fulfil these promises, it must be shown that there are viable business cases for all involved actors. This report describes the analysis of truck platooning business cases performed in the S4P project.

    Some of the main findings are that there is a significant potential for reducing fuel consumption and hence CO2 exhaust through platooning; that waiting on the order of minutes for a platooning opportunity is reasonable but that taking another route is probably not; that it is necessary to have mediating services that help platoons to form and share the costs and benefits associated with platooning; and that there are different possible ways of implementing a system for sharing the benefits.

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    fulltext
  • 2.
    Borg, Markus
    et al.
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Groen, E. C.
    Fraunhofer, Germany.
    Preface: REFSQ 2020 posters and tools track2020In: CEUR Workshop Proceedings, ISSN 1613-0073, E-ISSN 1613-0073, Vol. 2584Article in journal (Refereed)
  • 3.
    Borg, Markus
    et al.
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Groen, Eduard
    Preface: REFSQ 2020 posters and tools track2020In: CEUR Workshop Proceedings, ISSN 1613-0073, E-ISSN 1613-0073, Vol. 2584Article in journal (Other academic)
  • 4.
    Enerbäck, Oscar
    et al.
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Malmsten Lundgren, Victor
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Alfredsson, Hampus
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Dolins, Sigma
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    S3 – Shared Shuttle Services: Fas 1 (2017-05-03 – 2019-12-31)2020Report (Other academic)
    Abstract [sv]

    S3-projektet handlar om att testa delade, elektrifierade och automatiserade skyttelbussar för att demonstrera hur dessa nya transportlösningar kan stimulera och stödja en förtätning av staden.Inom projektet har stadsutvecklare, näringsliv, akademi och offentlig sektor samlats för att gemensamt utforma och prova nya mobilitetskoncept för den första- och sista kilometern av resan. Rapporten beskriver den första fasen av projektet, från maj 2017 till och med december 2019, där skyttelbussarna testats vid Lindholmen Science Park, Chalmers campus Johanneberg samt i Härryda centrum. För att stärka projektet har arbete även utförts kring kompletterande mobilitetstjänster, öppen innovation, utvärdering, affärsmodell, färdplan, molninfrastruktur samt event och kommunikation kopplat till initiativet. Efter utmanande processer av projektering och tillståndsansökan lyckades testerna genomföras på vad som av teknik- och fordonsleverantörerna ansågs vara den mest utmanande rutten i världen som dessa fordon hittills kört på. Samtidigt är mognadsgraden för teknik och helhetstjänst fortfarande relativt låg, och kombinerat med givna säkerhetsprioriteringar lämnas en del att önska vad gäller grundläggande parametrar som hastighet och komfort. Dessutom innebär nuvarande tillståndskrav på säkerhetsoperatör ombord på fordonen begränsningar vad gäller till exempel hållbara affärsmodeller och möjligheten att studera vissa användarförhållanden. Tack till medverkande parter och finansiärer med ett särskilt tack till Vinnova, Drive Sweden och Lindholmen Science Park som gjort detta projekt möjligt. Tack till Transportstyrelsen, Trafikkontoret, Polisen och Chalmersfastigheter för snabba beslutsvägar och till Atrium Ljungberg för lånet av garageplats. Slutligen önskar projektet rikta ett stort tack till samtliga som varit med och testat skyttlarna.

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  • 5.
    García Lozano, Marianela
    et al.
    FOI Swedish Defence Research Agency, Sweden; KTH Royal Institute of Technology, Sweden.
    Brynielsson, Joel
    FOI Swedish Defence Research Agency, Sweden; KTH Royal Institute of Technology, Sweden.
    Franke, Ulrik
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Rosell, Magnus
    FOI Swedish Defence Research Agency, Sweden.
    Tjörnhammar, Edward
    KTH Royal Institute of Technology, Sweden; FOI Swedish Defence Research Agency, Sweden.
    Varga, Stefan
    KTH Royal Institute of Technology, Sweden; Swedish Armed Forces Headquarters, Sweden.
    Vlassov, Vladimir
    KTH Royal Institute of Technology, Sweden.
    Veracity assessment of online data2020In: Decision Support Systems, ISSN 0167-9236, E-ISSN 1873-5797, Vol. 129, article id 113132Article in journal (Refereed)
    Abstract [en]

    Fake news, malicious rumors, fabricated reviews, generated images and videos, are today spread at an unprecedented rate, making the task of manually assessing data veracity for decision-making purposes a daunting task. Hence, it is urgent to explore possibilities to perform automatic veracity assessment. In this work we review the literature in search for methods and techniques representing state of the art with regard to computerized veracity assessment. We study what others have done within the area of veracity assessment, especially targeted towards social media and open source data, to understand research trends and determine needs for future research. The most common veracity assessment method among the studied set of papers is to perform text analysis using supervised learning. Regarding methods for machine learning much has happened in the last couple of years related to the advancements made in deep learning. However, very few papers make use of these advancements. Also, the papers in general tend to have a narrow scope, as they focus on solving a small task with only one type of data from one main source. The overall veracity assessment problem is complex, requiring a combination of data sources, data types, indicators, and methods. Only a few papers take on such a broad scope, thus, demonstrating the relative immaturity of the veracity assessment domain. © 2019 The Authors

  • 6.
    Garousi, Vahid
    et al.
    Queen’s University Belfast, UK.
    Borg, Markus
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Oivo, Markku
    University of Oulu, Finland.
    Practical relevance of software engineering research: synthesizing the community’s voice2020In: Journal of Empirical Software Engineering, ISSN 1382-3256, E-ISSN 1573-7616Article in journal (Refereed)
    Abstract [en]

    Software engineering (SE) research should be relevant to industrial practice. There have been regular discussions in the SE community on this issue since the 1980’s, led by pioneers such as Robert Glass. As we recently passed the milestone of “50 years of software engineering”, some recent positive efforts have been made in this direction, e.g., establishing “industrial” tracks in several SE conferences. However, many researchers and practitioners believe that we, as a community, are still struggling with research relevance and utility. The goal of this paper is to synthesize the evidence and experience-based opinions shared on this topic so far in the SE community, and to encourage the community to further reflect and act on the research relevance. For this purpose, we have conducted a Multi-vocal Literature Review (MLR) of 54 systematically-selected sources (papers and non peer-reviewed articles). Instead of relying on and considering the individual opinions on research relevance, mentioned in each of the sources, the MLR aims to synthesize and provide the “holistic” view on the topic. The highlights of our MLR findings are as follows. The top three root causes of low relevance, discussed in the community, are: (1) Researchers having simplistic views (or wrong assumptions) about SE in practice; (2) Lack of connection with industry; and (3) Wrong identification of research problems. The top three suggestions for improving research relevance are: (1) Using appropriate research approaches such as action-research; (2) Choosing relevant (practical) research problems; and (3) Collaborating with industry. By synthesizing all the discussions on this important topic so far, this paper aims to encourage further discussions and actions in the community to increase our collective efforts to improve the research relevance. Furthermore, we raise the need for empirically-grounded and rigorous studies on the relevance problem in SE research, as carried out in other fields such as management science. © 2020, The Author(s).

  • 7.
    Gestrelius, Sara
    et al.
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Kjellin, Martin
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Backman, Magnus
    Swedish Transport Association, Sweden.
    Slutrapport for Grafiska Prognostidtabeller2020Report (Other academic)
    Abstract [sv]

    Rapporten beskriver det arbete som utfördes i projektet Grafiska Prognostidtabeller (GRAPRO). Projektets mål var att undersöka om optimering kan vara ett stöd för kapacitetsanalytiker när en tidtabell ska konstrueras utifrån prognostiserade trafikdata. Rapporten inleds med en genomgång av analysmetoder som Trafikverket använder för att bedöma vilken trafik en viss infrastrukturutveckling kan hantera, och beskriver hur optimering passar in bland dessa metoder. Sedan presenteras den metodutveckling som gjorts inom projektet, och databehov och tillgång diskuteras. Metoden testas på ett exempelfall med infrastrukturförändringar i Skåne, och de resulterande tidtabellerna analyseras. Under projektet gång, och under arbetet med exempelfallet, identifierades ett flertal områden där ytterligare utveckling behövs för att den presenterade metoden ska kunna användas av en kapacitetsanalytiker, och rapporten avslutas med att dessa utvecklingsbehov diskuteras.

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  • 8.
    Gustavsson, Martin G. H.
    et al.
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Lindgren, Magnus
    Swedish Transport Administration, Sweden.
    Maturity of power transfer technologies for electric road systems2020In: Proceedings of 8th Transport Research Arena TRA 2020, April 27-30, 2020, Helsinki, Finland, Finnish Transport and Communications Agency , 2020Conference paper (Refereed)
    Abstract [en]

    Drawing on the method associated with Technology Readiness Levels (TRLs) and previous efforts, this article provides a maturity assessment of several electric road system (ERS) technologies with focus on the power transfer technology subsystem, and the transition context is also discussed. ERS involves electric power transfer from the road to the vehicle while the vehicle is in motion and could be achieved through different technologies such as rail, overhead line, and wireless solutions. ERS is a technology area with immense potential to reduce fossil fuel dependency, reduce greenhouse gas emissions, reduce air pollution as well as reduce noise in urban environments, while increasing energy efficiency in the transport sector. There are numerous promising ERS development and demonstration projects globally since several years. However, the investment cost for large-scale deployment of ERS is considerable and decision makers will require knowledge about how mature different solutions are compared to other transportation solutions.

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    TRA2020_Gustavsson_Lindgren_Maturity_ERS
  • 9.
    Pohl, Hans
    et al.
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Karlström, Magnus
    Lindholmen Science Park, Sweden.
    Elektrifierade vägtransporter: publikationsstudie2020Report (Other academic)
    Abstract [en]

    Road transport electrification – publication analysis

    This report summarizes the results of a study of scientific publications within vehicle electrification, i.e. battery, hybrid and/or fuel cell electric vehicles including the recharg-ing or refuelling infrastructure. A new method was developed for the study, which extracts Scopus publications relating to vehicle electrification. Three enabling technolo-gies; batteries, fuel cells, and electric machines including power electronics, were studied separately, as such publications only to a small extent are captured when searching for publications mentioning automotive applications.

    Results are given for the top 16 countries in terms of volume within vehicle electrification with special attention given to publications including Swedish (co-)authors. China is the dominating country and is still increasing its share. Sweden has a percentage of the world production between 0.8 – 1.4% and relatively low growth rate. On the other hand, the citation impact is high.

    Among the enabling technologies, batteries show the highest growth rate, in Sweden as well as in the world. China is approaching a 50% share of all battery publications.

    Other entities studied and discussed are institutions and authors and different dimen-sions including how international the research is and the share of academic-corporate co-publications.

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  • 10.
    Rex, Emma
    et al.
    RISE Research Institutes of Sweden, Built Environment, System setup and Service Innovation.
    Linden, Hanna
    RISE Research Institutes of Sweden, Materials and Production, Product Realisation Methodology.
    Östling, Johan
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Quistgaard, Louise
    RISE Research Institutes of Sweden, Built Environment, System setup and Service Innovation.
    Välkommen in i det cirkulära: Erfarenheter och slutsatser från projektet ”Affärsmodellinnovation för cirkulära möbelflöden”2020Report (Other academic)
    Abstract [sv]

    Projektet ”Affärsmodellinnovation för cirkulära möbelflöden” startades med syfte att visa hur en bransch konkret kan ställa om till en mer cirkulär ekonomi. Vi ville möta samhällets behov av minskat resursbehov och mer hållbar industriell utveckling, genom att ge förutsättningar för en produktion och konsumtion av offentliga möbler som var mer resurseffektiv, mindre miljöbelastande och samtidigt stärkte företagens internationella konkurrenskraft.

    Projektet har pågått i tre steg, finansierade genom Vinnovas program Utmaningsdriven innovation under åren 2014-2020. Under steg 1 identifierades intresse, behov, potential och affärsmöjligheter för en ökad cirkulär ekonomi inom svensk möbelindustri gällande främst möbler/inredning för offentligt bruk. I steg 2 utvecklades och testades de identifierade affärsmodellkoncepten, och nytänkande affärsrelationer och affärsmodeller togs fram. I detta steg kunde vi också visa att det gick att förena stark konkurrenskraft med en mer hållbar samhällsutveckling. I steg 3 har fokus varit på att gå från enskilda goda exempel till industriell skala, med nya erbjudanden, ändrade affärsmodeller, ökad efterfrågan och nya rutiner och normer där cirkulärt är det nya normala. Genom alla steg har projektet stävat efter att cirkulära erbjudanden och affärer ska bli ett stolt och självklart inslag hos de som erbjuder och efterfrågar möbler för offentligt bruk i Sverige.

    Nu är vi där. Tillverkare, återförsäljare och återbrukare tävlar idag om att visa upp sina cirkulära erbjudanden och inredningsarkitekter och kunder – inom offentlig såväl som privat sektor – inför nya upphandlingsföremål, roller och rutiner till förmån för cirkulära flöden.

    I den här skriften ges en sammanfattning av den utveckling vi gjort tillsammans inom projektet, och ni får även stifta bekantskap med många av våra partners och deras cirkulära resa. Vi vill på detta sätt visa att det går att ta steget från enstaka återbruksexempel till cirkulära affärer i stor skala – i alla fall om man jobbar tillsammans!

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  • 11.
    Rudmark, Daniel
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Open Data Standards: Vertical Industry Standards to Unlock Digital Ecosystems2020In: Proceedings of the 53rd Hawaii International Conference on System Sciences, 2020Conference paper (Refereed)
    Abstract [en]

    Standards are considered an essential means to facilitate value creation from open data. Despite this importance, we find that empirical studies of open data standards have not been conducted in proportion to its importance. In particular, the literature has insofar been silent about why specific standards are chosen and how these standards are implemented. To this end, we report from an action research project with the Swedish public transport industry, where open data standards were both chosen and implemented. Consistent with the literature, we find standards were selected based on expected increased attractivity for re-users. Also, and more surprisingly, we found that open data standards were chosen as a means to harness resources in adjacent digital ecosystems. Finally, our findings convey that implementing open data standards may hamper the possibility to publish datasets, with its original qualities.

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  • 12.
    Wang, Shaun S.
    et al.
    Southern University of Science and Technology, China; Nanyang Technological University, Singapore.
    Franke, Ulrik
    RISE Research Institutes of Sweden, Digital Systems, Mobility and Systems.
    Enterprise IT service downtime cost and risk transfer in a supply chain2020In: Operations Management Research, ISSN 1936-9735, E-ISSN 1936-9743Article in journal (Refereed)
    Abstract [en]

    In this paper we present an economic model for analyzing enterprise IT service downtime cost, first on a standalone basis and then in a supply chain setting. With a baseline probability model of Poisson arrival frequency with random downtime duration, we analyze optimal production of a firm’s investments in reducing frequency and duration of downtime, and corresponding premiums for insuring against downtime cost. We also present a model for the spillover effect of downtime for interconnected firms in a supply chain, and discuss how third-party insurance coverage can help enterprises to internalize the externalities of spillover effects on the supply chain.

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