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  • 1.
    Argento, Daniela
    et al.
    Kristianstad University, Faculty of Business, Research environment Governance, Regulation, Internationalization and Performance (GRIP. Kristianstad University, Faculty of Business, Department of Business.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Mårtensson, Lennart
    Kristianstad University, Faculty of Natural Sciences, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Natural Sciences, Avdelningen för miljö- och biovetenskap.
    Persson, Christel
    Kristianstad University, Faculty of Education, Research environment Learning in Science and Mathematics (LISMA). Kristianstad University, Faculty of Natural Sciences, Avdelningen för miljö- och biovetenskap.
    Wendin, Karin
    Kristianstad University, Faculty of Natural Sciences, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Sciences, Avdelningen för mat- och måltidsvetenskap. Danmark.
    Westergren, Albert
    Kristianstad University, Faculty of Health Science, Research Environment PRO-CARE, Patient Reported Outcomes - Clinical Assessment Research and Education. Kristianstad University, Research Platform for Collaboration for Health. Kristianstad University, Faculty of Health Science, Department of Nursing and Integrated Health Sciences. Lunds universitet.
    Integrating sustainability in higher education: a Swedish case2020In: International Journal of Sustainability in Higher Education, ISSN 1467-6370, Vol. 21, no 6, p. 1131-1150Article in journal (Refereed)
    Abstract [en]

    Purpose – This paper aims to unveil how sustainability is integrated into the courses/programmes ofhigher education institutions. The research question addressed is: how do academics representing differentdisciplines cooperate and engage in the work of integrating sustainability into their teaching programmes.Design/methodology/approach – This paper draws upon the notions of practise variation andinstitutional work from institutional theory and empirically focusses on the case of Kristianstad University(Sweden). This case is based on an autoethnographic approach and illustrates the experiences shared by sixcolleagues, representing different disciplines, engaged in implementing sustainability in their courses/programmes.Findings – The findings highlight how academics representing different disciplines, with specific traditionsand characteristics, face the sustainability challenge. Despite being bound by similar sustainable developmentgoals, differences across disciplines need to be acknowledged and used as an asset if trans-disciplinarity is theultimate goal.Research limitations/implications – Although the intrinsic motivation of individuals to work withsustainability might be a strong driver, the implementation of sustainability within courses/programmes andacross disciplines requires joint efforts and collective institutional work.Practical implications – By highlighting how academics engage in the work of integratingsustainability, this study emphasizes that managers of higher education institutions need to account for thetime and additional resources needed to ensure that academics effectively cope with sustainability. Intrinsicmotivation may not last if organizational structures and leadership are not supportive on a practical level andin the long run.

  • 2.
    Arvidsson, Åke
    et al.
    Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS). Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap.
    Grinnemo, Karl-Johan
    Karlstads universitet.
    Chen, Eric Zhi
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Wang, Qinghua
    Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS). Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap.
    Brunström, Anna
    Karlstads universitet.
    Web metrics for the next generation performance enhancing proxies2019In: 2019 27TH INTERNATIONAL CONFERENCE ON SOFTWARE, TELECOMMUNICATIONS AND COMPUTER NETWORKS (SOFTCOM) / [ed] Begusic, D Rozic, N Radic, J Saric, M, IEEE , 2019, p. 171-176Conference paper (Refereed)
    Abstract [en]

    The fast growth of Internet traffic, the growing importance of cellular accesses and the escalating competition between content providers and network operators result in a growing interest in improving network performance and user experience. In terms of network transport, different solutions ranging from tuning TCP to installing middleboxes are applied. It turns out, however, that the practical results sometimes are disappointing and we believe that poor testing is one of the reasons for this. Indeed, many cases in the literature limit testing to the simple and rare use case of a single file download, while common and complex use cases like web browsing often are ignored or modelled only by considering smaller files. To facilitate better testing, we present a broader view which includes domain counts, flow counts and different forms of concurrency to better characterise the complexity around web pages, and from which the potential for different optimisation techniques can be estimated. We also derive numerical values of these metrics for a small set of popular web pages and study similarities and differences between pages with the same kind of content (newspapers, e-commerce and video) and between pages designed for the same platform (computer and smartphone).

  • 3.
    Arvidsson, Åke
    et al.
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Ivanovich, Milosh
    Australien.
    Fitzpatrick, Paul
    Australien.
    Modelling user experience of adaptive streaming video over fixed capacity links2021In: Performance evaluation (Print), ISSN 0166-5316, E-ISSN 1872-745X, Vol. 148, p. 1-12, article id 102199Article in journal (Refereed)
    Abstract [en]

    Streaming video continues to experience unprecedented growth. This underscores the need to identify user-centric performance measures and models that will allow operators to satisfy requirements for cost-effective network dimensioning delivered with an acceptable level of user experience. This paper presents an analysis of two novel metrics in the context of fixed capacity links: (i) the average proportion of a video’s playing time during which the quality is reduced and (ii) the average proportion of videos which experience reduced quality at least once during their playing time, based on an M/M/∞ system. Our analysis is shown to hold for the more general M/G/∞ system for metric (i), but not for (ii) and simulation studies show an unexpected form of sensitivity of metric (ii) to the flow duration distribution, contrary to the norm of increasing variance causing worse performance. At typical operational loads these new metrics provide a more sensitive and information rich guide for understanding how user experience degrades, than the widely used average throughput metric does. We further show that only the combined use of this existing and our new metrics can provide a holistic perspective on overall user performance.

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  • 4.
    Braco, Veletanlic
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Design och datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Chen, Eric Zhi
    Kristianstad University, School of Health and Society, Avdelningen för Design och datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Flipped classroom approach and its implementation in an online course2016In: Lärarlärdom 2016: Högskolan Kristianstad / [ed] Claes Dahlqvist & Stefan Larsson, Högskolan Kristianstad: Kristianstad University Press , 2016Conference paper (Other academic)
    Abstract [en]

    Active learning is the process where students learn beyond passively listening to an instructor's lecture. In this way students are engaged in their learning activities. It has been accepted that active learning leads to deeper understanding and better learning outcomes.

    The term flipped classroom has been widely used to describe a new pedagogical approach in which traditional lecture and homework elements of a course are reversed so that the initial exposure to the learning content takes place outside of the classroom. This approach frees up class time, promotes active learning and engagement in learning and facilitates student-centered learning.

    In this study we experimented with flipped classroom approach in the online course Programming in C during the autumn term 2015. The purpose of the experiment was to determine whether flipped classroom can serve as an appropriate method to use in an online course and to find out to what extent flipped classroom can stimulate active learning in an online setting. Based on known concept of flipped classroom approach and literature review, we systematically reviewed YouTube videos and selected 52 video clips to use as companion course materials. We also compiled and produced 212 quiz questions to use as formative assessment. In order to promote interaction among the students, we experimented with peer-review as a part of the laboratory work process. We also provided scheduled online sessions in the form of chat rooms. Short video clips were positively received by the students. Even the peer-review approach was positively received but the students gave up this activity at the end of the course, due to the work load. Flipped classroom has potential to be used in online settings but distinction between "classroom" and "outside classroom" is not always clear.

    More work is needed to make this distinction visible and to make the transition between these two learning environments smooth.

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  • 5.
    Braco, Veletanlic
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Design och datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Klonowska, Kamilla
    Kristianstad University, School of Health and Society, Avdelningen för Design och datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Generella kompetenser och forskningsanknytning i utbildningen - en akademisk slinga för dataloger2016In: Lärarlärdom: 2015, Växjö: Linnéuniversitetet , 2016, p. 163-181Conference paper (Other (popular science, discussion, etc.))
    Abstract [sv]

    Akademisk slinga är ett pedagogiskt begrepp som används vid Högskolan Kristianstad. Akademisk slinga har för syfte att integrera generella kompetenser och färdigheter i ämneskurser i grundutbildningar. I sin grundform ska akademisk slinga även utveckla studenternas kommunikativa förmågor och förmågan att lösa problem och arbeta i grupp. Under 2014 genomgick kandidatprogrammet i datalogi (Datasystemutvecklingsprogrammet) vid Högskolan Kristianstad en rad förändringar. En av de viktigaste drivkrafterna bakom dessa förändringar var att skapa förutsättningar för en systematisk introduktion i ett vetenskapligt förhållningssätt och på detta sätt hjälpa studenterna att utveckla kunskap om ämnets vetenskapliga grund och förmåga att orientera sig om aktuella forskningsfrågor. Utbildningen skulle få en tydligare forskningsanknytning. Akademisk slinga, som i sin grundform syftar till att fokusera på generella kompetenser, sågs som ett möjligt verktyg för att uppnå detta mål. En systematisk utveckling av generella kompetenser ansåg vi kunna skapa viktiga förutsättningar för utveckling av det vetenskapliga förhållningssättet vilket i sin tur skulle leda till att studenterna kunde tillgodogöra sig det ämnesspecifika och även uppnå utbildningens examensmål. Den akademiska slingan i datalogiprogramme tblev på så vis ett verktyg som skulle skapa en tydlig länk mellan det generella och det ämnesspecifika. För att möjliggöra detta definierades övergripande lärandemål och examinationsmoment för den akademiska slingan. Lämpliga kurser valdes ut och omarbetades avseende lärandemål och innehåll. Kursmoment som fokuserar på generella kompetenser och forskningsanknytning inkorporerades i dessa kurser med lärandemål och examinationsformer som haren tydlig relation till utbildningens övergripande lärandemål. Dessa kursmomen tutgjorde på detta vis ett tydligt, progressivt spår i utbildningen. En viktig punkt som den akademiska slingan fokuserar på är att ge studenterna möjlighet att tidigt i utbildningen bekanta sig med olika forsknings tema och forskningsprojekt. Moment med vetenskapsteori och vetenskaplig metod introduceras tidigt. Seminarium som undervisningsform används genomgående i utbildningen. Det vetenskapliga förhållningssättet medvetandegörs och konkretiseras i olika projekt och laborationer.

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  • 6.
    Chen, Eric Zhi
    et al.
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Research Platform for Collaboration for Health. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Aydın, Nuh
    USA.
    A database of linear codes over F13 with minimum distance bounds and new quasi-twisted codes from a heuristic search algorithm2015In: Journal of Algebra Combinatorics Discrete Structures and Application, ISSN 2148-838X, Vol. 2, no 1, p. 1-16Article in journal (Refereed)
    Abstract [en]

    Error control codes have been widely used in data communications and storage systems. One centralproblem in coding theory is to optimize the parameters of a linear code and construct codes withbest possible parameters. There are tables of best-known linear codes over finite fields of sizes up to9. Recently, there has been a growing interest in codes over F13 and other fields of size greater than9. The main purpose of this work is to present a database of best-known linear codes over the fieldF13 together with upper bounds on the minimum distances. To find good linear codes to establishlower bounds on minimum distances, an iterative heuristic computer search algorithm is employed toconstruct quasi-twisted (QT) codes over the field F13 with high minimum distances. A large numberof new linear codes have been found, improving previously best-known results. Tables of [pm;m] QTcodes over F13 with best-known minimum distances as well as a table of lower and upper bounds onthe minimum distances for linear codes of length up to 150 and dimension up to 6 are presented.

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  • 7.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    A communication framework in a multi-threaded environment2000In: Proceedings of NWPER'2000, 2000Conference paper (Other academic)
  • 8.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Active vs passive entities2002Conference paper (Other academic)
  • 9.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Aspects of transparent time concepts2000Conference paper (Other academic)
  • 10.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Aspects on communication and models vs processes in a model oriented language1997In: Proceedings of the 23rd conference of the ASU, 1997Conference paper (Other academic)
  • 11.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    CDIO, en introduktion: diskussioner kring ett ramverk för verksamhetsintegrerat lärande2015In: Högskolepedagogisk debatt, no 2, p. 87-112Article in journal (Other academic)
  • 12.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Communication and hierarchical modelling in Model Oriented Programming1999In: Proceedings of the 25th conference of the ASU, 1999Conference paper (Other academic)
  • 13.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Discussion on "An exercise for SIMULA users"1997In: ASU Newsletter, Vol. 24, no 1, p. 1-9Article in journal (Other academic)
  • 14.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Inheritance and coroutines1998In: ASU Newsletter, Vol. 24, no 3Article in journal (Other academic)
  • 15.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Model Oriented Programming: progress in concepts and implementation issues1998In: Proceedings of the 24th conference of the ASU, 1998Conference paper (Other academic)
  • 16.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    On bounds between time flow of hierarchically organized bases of time2003Conference paper (Other academic)
  • 17.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    On transparent distributed systems2001In: Proceedings of the 27th conference of the ASU, 2001Conference paper (Other academic)
  • 18.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Passing control over nested quasi-parallel systems1997In: ASU Newsletter, Vol. 24, no 1, p. 1-9Article in journal (Other academic)
  • 19.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Separately compiled nested classes1999In: ASU Newsletter, Vol. 25, no 2Article in journal (Other academic)
  • 20.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    The goals of graduate studies and the process of getting there2015Conference paper (Other academic)
  • 21.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Towards consistent concepts of hierarchical modeling2003Conference paper (Other academic)
  • 22.
    Einarson, Daniel
    et al.
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Klonowska, Kamilla
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Education for the remote work methods of the future in software engineering2021Conference paper (Other academic)
    Abstract [en]

    This contribution studies the new forms of work that arise as a consequence of the pandemic, and presents how students in education can be prepared for these forms of work. More and more discussions concern adjustments to remote work. This also applies to the academy, which then has a responsibility, not only to change work towards distance forms, but also train students in these for their future professional career. A survey was conducted during the autumn semester of 2020 when a course in Software Engineering, which normally is dependent on physical meetings, was forced to be given completely online. The outcome was documented by the teachers during the course through continuous discussions and investigations, and was later compiled into a conference contribution, which is currently in a peer-review process [1]. Among the discussions it was mentioned that we may experience a ‘game-changer’, and more precisely that in the future we may work globally and distributed, i.e., independently of a localized office. Globally, it is possible to see discussions regarding such a 'game-changer'. At the World Economic Forum's Davos Agenda 25-29 January, 2021, the possible future labor market was discussed via the article [2]. This as a reflection on the situation that has arisen that the pandemic has contributed to, and future possible consequences of this. Similar discussions on the expansion of remote work, are covered, e.g., in [3] and [4], which in turn demands for new responsibilities at academia, with respect to adjustments in courses to meet challenges of future remote work. The contribution presents changes in teaching so that this corresponds well with a shift in the IT-industry towards remote working. New teaching elements are implemented in larger project courses, where the focus is on online-based development with modern tools for testing and integration. Process models that were previously seen as flexible and efficient, but have been dependent on physical meetings, are adjusted to be able to be performed distributed and remote. Studies of corresponding changes in the regional IT-industry are reported, as well as psycho-social consequences of the new forms of working.

  • 23.
    Einarson, Daniel
    et al.
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Saplacan, Diana
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap.
    Addressing integrated learning through project-based courses: five years of improvements2017In: Proceedings of the 13th International CDIO Conference in Calgary, Canada, June 18-22 2017, 2017Conference paper (Other academic)
    Abstract [en]

    Project-based educational forms are at the core of the CDIO concept, where students should be trained in contexts of complex enough tasks to prepare for the complexity of industry projects. Besides from fulfilling a project in itself, CDIO points out the importance of achieving integrated learning skills, including personal and interpersonal skills (CDIO Syllabus sections 2 and 3), where those are desired to meet the challenges of the working processes.

    Projects in education moreover correspond to active learning, where students are encouraged to learn through solving the problems required to fulfill the goals of a project. Being active in the process of completing a project, does not only imply disciplinary training, but also training in achieving generic skills, such as experimentation, knowledge discovery, system thinking, teamwork, and communication. All in all, a conclusion is that student activities in project-based teaching and learning relate to all four sections of the CDIO Syllabus, and hence active learning will here contribute to integrated learning. Thus, activating students in project-based courses should have several positive values.

    However, experiences show that one problem in project-based courses is that of activating a major part of a student group. Here, a common pattern is that some students are not contributing enough, resulting in other students covering up for them, or risking the whole project. Therefore, teaching efforts should be put on finding ways to widen the group of active students.

    The project-based course Software Engineering 2, at Kristianstad University, Sweden, has undergone several years of improvements in order to, on one hand reduce the number of passive students, and on the other hand increase values of generic skills from the CDIO Syllabus. This paper will present development steps of that course. Methods, where some have been inspired from the Software Engineering industry, will be covered, and results of using those will be provided. A major result is that of increasing values of integrated learning, where this in itself contributes to the core of CDIO.

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  • 24.
    Einarson, Daniel
    et al.
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Teljega, Marijana
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Effects of migrating large-scaled project groups to online development teams2021In: The 17th CDIO International Conference, 2021Conference paper (Other academic)
  • 25.
    Einarson, Daniel
    et al.
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Teljega, Marijana
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS). marijana.teljega@hkr.se .
    Smart home techniques for young people with functional disabilities2020In: ACHI 2020: the thirteenth international conference on advances in computer-human interactions, 2020, p. 294-300Conference paper (Refereed)
    Abstract [en]

    A purpose behind the United Nation’s Agenda 2030is that no one shall be left behind, which implies that supportfor vulnerable people shall be seen as clearly significant. Inthat context, assistive technologies serve purposes of improvingdisabled individuals’ inclusiveness and overall well-being. Thiscontribution covers ongoing experiments on techniquesdeveloped for Smart Homes, where the outcomes of suchdevelopments are targeted towards young people withfunctional disabilities, in order to provide them withindependence in their own living space.

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  • 26.
    Einarson, Daniel
    et al.
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Wiklund, Peter
    Digitala stöd för mental hälsa2018Other (Other (popular science, discussion, etc.))
  • 27. King'oku, Pascal
    et al.
    Sowe, Alieu
    Wang, Qinghua
    Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS). Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap.
    A demo implementation of interactive internet of things2020In: 16th Swedish National Computer Networking Workshop (SNCNW), Kristianstad (online), 2020, 2020, p. 15-18Conference paper (Other academic)
    Abstract [en]

    Internet of Things facilitates interaction betweenhuman users and physical environment through the use ofelectronic sensors, wireless communication and cloudtechnology. In this paper, we demonstrate a scalableimplementation of Internet of Things in a lab environment. Aversatile set of sensors including cameras, power outlets andordinary temperature sensors are embedded in the physicalenvironment and connected to the cloud via local gateways. Datais processed locally and accessible via the cloud. A web servicehosted in the cloud enables remote two-way interaction betweenthe human users and the monitored physical environments.

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  • 28.
    Klonowska, Kamilla
    et al.
    Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS). Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap.
    Chen, Eric Zhi
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Research Platform for Collaboration for Health. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Kjellstrand, Indira
    Kristianstad University, Faculty of Business, Department of Business. Kristianstad University, Faculty of Business, Research environment Governance, Regulation, Internationalization and Performance (GRIP.
    Källström, Lisa
    Kristianstad University, Faculty of Business, Research environment Governance, Regulation, Internationalization and Performance (GRIP. Kristianstad University, Faculty of Business, Department of Business. Kristianstad University, Research Platform for Collaboration for Business.
    Siljeklint, Per
    Kristianstad University, Faculty of Business, Department of Business. Kristianstad University, Research Platform for Collaboration for Business.
    Terman, Felix
    Kristianstad University, Faculty of Business, Department of Business. Kristianstad University, Faculty of Business, Research environment Governance, Regulation, Internationalization and Performance (GRIP.
    Student engagement in hybrid taught large introduction courses during COVID-192021Conference paper (Other academic)
    Abstract [en]

    To build student engagement and belonging early in the education is crucial for retention and student success. Since the COVID-19 outbreak, universities worldwide were forced to seek for alternative and complementary teaching approaches. In Sweden, universities adopted hybrid teaching since the end of the spring in 2020. The traditional face-to-face teaching facilitates immediate, real-time engagement with activities such as discussion and instant interaction between instructors and students and/or among students which encourages active learning, while an online teaching allows the students to watch videos and read requested materials many times, to complete the assignments at their suitable time and place, to enable good discussion and interaction via online forum and messaging. A hybrid approach combines the advantages of both face-to-face and online approaches. Research shows several challenges with online teaching, for examples, students´ engagement [1], communication between student(s) and teacher(s) [2], connection with/within the group, study groups, study buddies [3] as well as social engagement [4]. When a hybrid approach is applied to the First-Year courses due to the COVID-19, these challenges might have even more serious implications on the retention and success. This study explores two successful cases of how active learning, togetherness and engagement can be created among First-Year students. The study is based on two large introductory courses for the first-year students in Computer Science and in Business Administration at Kristianstad University, Sweden. Both programmes provide the Introduction courses for larger number of students (135 respective 195 students). Various methods and tools were used in the course design to engage students and create an active learning [5] environment using the hybrid approach. The results and experience were also presented. We experienced that students had actively participated in the arranged activities and the course passing rate was higher compared with the face-to-face teaching. The course evaluation also showed that the students were satisfied with course contents and various course activities.

  • 29.
    Klonowska, Kamilla
    et al.
    Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS). Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap.
    Frisk, Fredrik
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    The win-win of synchronizing last semester’s Computer Engineering courses2021Conference paper (Other academic)
    Abstract [en]

    This contribution addresses how two parallel courses during the last semester, where one is a final course for degree projects, have been synchronized. This is to give students a greater chance to complete the courses on time, and at the same time create a greater understanding of complicated problems.

    The three-year Computer Engineering program at Kristianstad University, Sweden, has for several years suffered from difficulties during the third semester of the third year, where students most often tend to miss significant deadlines. This semester, which is the students' last, comprises a final degree project of 15 credits, which corresponds to half the work effort during the semester. Different approaches have been tested to give students the best possible conditions to complete the degree project on time. On the one hand, the degree project has been full-time during the latter part of the semester, with the first half consisting of other courses. On the other hand, the degree project has run in parallel with other courses throughout the semester. However, both approaches have resulted in situations where the students in many cases do not complete the degree project, and that other courses during the semester have also suffered.

    A revision of the Computer Engineering program was made three years ago. The difficulties with the last semester have then also been considered. An effort has been made to develop synchronization opportunities between the courses during this semester. A new course, Systems Engineering, of 15 credits throughout the semester, has been developed, where the content of the course, as well as levels of learning objectives and examination forms have been considered to suit the parallel ongoing course for the degree project. Students have been offered opportunities to develop and analyze advanced systems where the course System Engineering has been based on the implementation of technical constructions, while the course for degree projects has been based on more theoretical and exploratory perspectives.

    The students design the systems with both hardware and software. At the same time as they conduct literature studies, and investigate suitable analysis methods. Examples of systems include:

    - Drones. Processors for these, as well as software to give these flying properties, are developed. Technical measurements are made, for analysis and evaluations. Measurements made are based, e.g., on the placement of sensors, and performance on technical protocols.

    - Body Sensor Networks. Here, too, both hardware and software are designed to put the system into operation, and technical measurements are made to study at the usability of the system.

    Synchronizing the courses has generally given good results, where the opportunity to complete the courses has increased drastically. A survey of the students' experiences has been made, and this has shown high satisfaction.

    The program is clearly CDIO-oriented, which is also expressed in the education plan. The perception is that the synchronization of courses described in this contribution, and the effects of this, further increase the fundamental values ​​pointed out by the CDIO.

  • 30.
    Lindberg, Ulla
    et al.
    SP Sveriges Tekniska Forskningsinstitut.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Wählby, Urban
    Electrolux.
    Platbardis, Janis
    SensiNet.
    Glasö, Sissi
    Thermo King.
    Bäckström, Kristin
    SP Sveriges Tekniska Forskningsinstitut.
    Wendin, Karin
    SP Sveriges Tekniska Forskningsinstitut.
    Aktivt Åldrande – individuellt anpassade måltidslösningar för hälsa och livskvalitet hos äldre: beställning och distribution av mat för den äldre2015Report (Other academic)
    Abstract [en]

    ”Active Ageing – Personalised food and meal solutions for health and quality of life” (Aktivt åldrande – individuellt anpassade måltidslösningar för hälsa och livskvalitet hos äldre. Diarienr 2013-02780) is a project that aims to maintain the quality of life and autonomy of older persons, through individual and personalised meal solutions that fit their needs and requirements. The target group are primarily the age 75 or older. Five work packages are included in the project. This report describes the work package that had the scope of developing a concept for the ordering, distribution and delivery of meal to the elderly. Refrigeration technology and the cold-chain will play an important role in the concept by preserving the safety and quality of foods during its transportation to the elderly. Refrigeration technology and the cold-chain will also make it possible to prepare specific types of foods that meet the demand of the elderly. In particular for the elderly consumers that would like to eat at home and decrease their independency and overall quality of life. It is also important the value chain and concept for the business model must be flexible and taking into account needs from the elderly consumers at all stages, starting from ordering the meal, handling in the household and disposing of the packaging material. An interdisciplinary approach – combining knowledge of ICT (information and communications technology) – Technology, food quality, packaging, logistic, sensory, and waste/return systems for the food that is distributed is increasingly necessary. As the demand for food for the elderly is on the rise, the development of new products, models and services might be facilitated by collaborating with SMEs (micro, small and mediumsized enterprises) and other business partners interested in delivering solutions for the elderly consumers. The concept for the ordering, distribution and delivery of meal to the elderly developed in the project can be used by other end users and/or for other products and services.

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  • 31.
    Melén, Maria
    et al.
    Kristianstad University, Library and Higher Education Development.
    Persson, Christel
    Kristianstad University, Faculty of Education, Research environment Learning in Science and Mathematics (LISMA). Kristianstad University, Faculty of Natural Sciences, Avdelningen för miljö- och biovetenskap.
    Einarson, Daniel
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Educate the educators in teaching and learning for sustainable development2020In: ETH Learning and teaching journal, ISSN 2624-7992, Vol. 2, no 2, p. 338-341Article in journal (Refereed)
    Abstract [en]

    This paper will discuss the future-ready university at the level of its future-ready teachers with regard to their teaching and learning practice for sustainable development. Academic institutions have both a role in promoting discussions of concern based on their specialized disciplines and a role in educating students to be future-ready to contribute to the society in a sustainable way. However, carrying out such roles with sufficient credibility may not be a matter of course for university teachers, who need sufficient insights into both sustainability per se and sustainable pedagogical teaching practice. This paper stresses the importance to the development of the future-ready university of cultivating sustainability, and provides an “educate the educators” project as an example.

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  • 32.
    Mengistu, Dawit
    et al.
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Frisk, Fredrik
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap.
    Edge machine learning for energy efficiency of resource constrained IoT devices2019Conference paper (Other academic)
    Abstract [en]

    The recent shift in machine learning towards the edge offers a new opportunity to realize intelligent applications on resource constrained Internet of Things (IoT) hardware. This paper presents a pre-trained Recurrent Neural Network (RNN) model optimized for an IoT device running on 8-bit microcontrollers. The device is used for data acquisition in a research on the impact of prolonged sedentary work on health. Our prediction model facilitates smart data transfer operations to reduce the energy consumption of the device. Application specific optimizations were applied to deploy and execute the pre-trained model on a device which has only 8 KB RAM size. Experiments show that the resulting edge intelligence can reduce the communication cost significantly, achieving subs-tantial saving in energy used by the IoT device.

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  • 33.
    Modig Johansson, Karin
    et al.
    Lunds universitet.
    Johansson, Ola
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    A literature review of consumer recycling behavior: motivational and behavioral aspects2020In: The Journal of Solid Waste Technology and Management, ISSN 1088-1697, Vol. 46, no 4, p. 597-605Article in journal (Refereed)
    Abstract [en]

    Recycling is an important aspect of a sustainable society and depends to a large extent on consumers' willingness to provide the voluntary work needed to take the first critical step in many recycling systems. Based on a systematic review of articles on recycling behavior, this paper presents and discusses the findings in relation to Fogg's Beha vioral Model (FBM). Through the analysis of a corpus of 72 articles, the most important research contributions on recycling behavior are summarized and discussed. The choice of using FBM as a framework provides a new way of viewing previous research findings, and facilitates the identification of knowledge gaps. Based on the review, this work identifies and discusses four areas of potential interest for future research: the development of a comprehensive conceptual model for recycling behavior, the inclusion of triggers, the influence of persuasive technology, and the effect of different waste fractions. 

  • 34.
    Wang, Qinghua
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Defending wireless communication against eavesdropping attacks using secret spreading codes and artificial interference2021In: Computers & security (Print), ISSN 0167-4048, E-ISSN 1872-6208, Vol. 103, p. 1-29, article id 102175Article in journal (Refereed)
    Abstract [en]

    The broadcast nature of wireless communication makes it intrinsically vulnerable to eavesdropping attacks. This article suggests the using of secret spreading codes (i.e. only a legitimate receiver knows the spreading sequence) and artificial interference (i.e. by intentionally adding noise to the broadcast channel) on countering eavesdropping attacks. We have made a theoretical analysis on the potential performance degradation at the eavesdropper and at the legitimate receiver for a point-to-point wireless communication system using direct-sequence spread spectrum (DSSS) with coherent phase-shift keying (PSK) modulation. We have also proposed a lightweight non-cryptographic secret code generation scheme which leads to low correlation between the spreading codes used at the transmitter and at the eavesdropper. Simulation results confirms the good anti-eavesdropping performance on using the proposed non-cryptographic secret code generation scheme. Simulation results also conform with the theoretical analysis and motivate the using of artificial interference on countering eavesdropping attacks.

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  • 35.
    Wang, Qinghua
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Lightweight session-key establishment for the internet of things2018Conference paper (Other academic)
    Abstract [en]

    Internet of Things is evolving from the theory into reality. It is increasingly embedded into our daily lives to provide critical services such as pervasive healthcare and intelligent transportation systems, for which our privacy and security highly rely on the proper functioning of the products. This paper proposes a lightweight session-key establishment protocol that provides fundamental protection for the sensitive information flow in the Internet of Things. The new session-key establishment scheme utilizes the fact that time synchronization is a standard service in most of the Internet of Things products, and relies on loose time synchronization information to achieve secure and fast key agreement. Compared to traditional session-key establishment methods such as the one used by Wi-Fi, the new scheme is more lightweight and also allows a faster session establishment which can be critical for real-time services.

  • 36.
    Wang, Qinghua
    et al.
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS).
    Huang, Xin
    England.
    Mengistu, Dawit
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Science, Research environment of Computer science (RECS). dawit.mengistu@hkr.se .
    Session key agreement for end-to-end security in time-synchronized networks2018Conference paper (Other academic)
  • 37.
    Wang, Qinghua
    et al.
    Kristianstad University, Faculty of Natural Sciences, Avdelningen för datavetenskap. Kristianstad University, Faculty of Natural Sciences, Research environment of Computer science (RECS).
    Westlund, Viktor
    Johansson, Jonas
    Lindgren, Magnus
    Kristianstads Kommun.
    Smart Sewage Water Management and Data Forecast2021In: 33rd Workshop of the Swedish Artificial Intelligence Society, SAIS 2021, USA: Institute of Electrical and Electronics Engineers (IEEE), 2021, article id 9484017Conference paper (Other academic)
    Abstract [en]

    There is currently an ongoing digital transformation for sewage and wastewater management. By automating data collection and enabling remote monitoring, we will not only be able to save abundant human resources but also enabling predictive maintenance which is based on big data analytics. This paper presents a smart sewage water management system which is currently under development in southern Sweden. Real-time data can be collected from over 500 sensors which have already been partially deployed. Preliminary data analysis shows that we can build statistical data models for ground water, rainfall, and sewage water flows, and use those models for data forecast and anomaly detection.

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