| 1. |
|
|
| 2. |
|
|
| 3. |
|
|
| 4. |
- Olsson, Björn, 1962-, et al.
(författare)
-
Running research-oriented final year projects for CS and IS students
- 2003
-
Ingår i: SIGCSE '03. - New York, NY, USA : ACM Special Interest Group on Computer Science Education. - 158113648X ; , s. 79-83
-
Konferensbidrag (refereegranskat)abstract
- In this paper we discuss the difficulties of designing and running a final year project course for computer science and information systems students. In particular, we present the design of a research-oriented final year project course, where the aim is to develop the student's critical thinking and research skills. We also discuss the lessons learnt during the seven years that the course has been given.
|
|
| 5. |
- Aasa, Ulrika, et al.
(författare)
-
Physical Activity Might Be of Greater Importance for Good Spinal Control Than If You Have Had Pain or Not : A Longitudinal Study
- 2015
-
Ingår i: Spine. - 0362-2436 .- 1528-1159. ; 40:24, s. 1926-1933
-
Tidskriftsartikel (refereegranskat)abstract
- STUDY DESIGN: Longitudinal design. A cohort followed in 3 waves of data collection.OBJECTIVE: The aim of the study was to describe the relationships between the performance of 2 tests of spinal control at the age of 52 years and low back pain, physical activity level, and fitness earlier in life, as well as to describe the cross-sectional relationships between these measures.SUMMARY OF BACKGROUND DATA: Altered spinal control has been linked to pain; however, other stimuli may also lead to inability to control the movements of the spine.METHODS: Participants answered questions about physical activity and low back pain, and performed physical fitness tests at the age of 16, 34, and 52 years. The fitness test battery included tests of endurance in the back and abdominal muscles, a submaximal bicycle ergometer test to estimate maximal oxygen uptake, and measurements of hip flexion, thoracic spine flexibility, and anthropometrics. Two tests were aggregated to a physical fitness index. At the age of 52, also 2 tests of spinal control, the standing Waiter's bow (WB) and the supine double leg lower (LL) were performed.RESULTS: Logistic regression analyses showed that higher back muscle endurance at the age of 34 years could positively predict WB performance at 52 years and higher physical fitness at the age of 34 could positively predict LL performance at 52 years. Regarding cross-sectional relationships, an inability to perform the WB correctly was associated with lower physical fitness, flexibility and physical activity, and larger waist circumference. An inability to correctly perform the LL was associated with lower physical fitness. One-year prevalence of pain was not significantly associated with WB or LL test performance.CONCLUSION: An active life resulting in higher physical fitness is related to better spinal control in middle-aged men and women. This further strengthens the importance of physical activity throughout the life span.LEVEL OF EVIDENCE: 3.
|
|
| 6. |
- Atif, Yacine, 1967-, et al.
(författare)
-
Open Source Collaboration Tools and Organisational Learning : On Adopting EtherPad in Small Companies
- 2016
-
Ingår i: Proceedings of FLOSSEdu.
-
Konferensbidrag (refereegranskat)abstract
- Organisations could benefit from the improvements in collaborative learning and increased control gained by the use of open source software. EtherPad enables simultaneous updates on a shared document from remotely located participants. We discuss the adoption life-cycle of this open source tool in the context of a strategic intervention, with a focus on a learning agenda to guide the installation and configuration processes, and to reduce the learning curve involved in the adoption experience.
|
|
| 7. |
- Babar, Muhammad Ali, et al.
(författare)
-
A Joint Workshop of QACOS and OSSPL
- 2009
-
Ingår i: Open source ecosystems. - Berlin, Heidelberg : Springer. - 9783642020315 - 3642020313 ; , s. 357-358
-
Konferensbidrag (refereegranskat)
|
|
| 8. |
- Babar, Muhammad Ali, et al.
(författare)
-
On the Importance of Sound Architectural Practices in the Use of OSS in Software Product Lines
- 2007
-
Ingår i: Proceedings of the 2nd International Workshop on Open Source Software and Product Lines (OSSPL 2007), collocated with the 11th International Software Product Line Conference (SPLC 2007), Kyoto, Japan, September 10-14, 2007. - : Cosi. ; , s. 25-32
-
Konferensbidrag (refereegranskat)abstract
- Software Product Line (SPL) and Open Source Software (OSS) haveemerged as successful modes of developing software. Although they appear todiffer in terms of development principles and processes, researchers andpractitioners have been increasingly emphasising the need to achieve synergiesby exploiting the ever growing repositories of OSS components for developingSPLs. While there have been calls for the SPL community to accelerate thewidespread use of OSS in SPL, less attention has been paid to how OSScommunities could increase the use of OSS components in SPL. Sincearchitectural issues are considered critical in the SPL community, we proposethat an increased attention on architectural aspects of OSS components mayprovide the confidence that organizations need in order for them to choose anduse OSS components in SPL. We identify a number of architectural practiceswhich are followed by the SPL community and discuss the possibilities for andpotential benefits of incorporating those practices in OSS developmentprocesses.
|
|
| 9. |
- Backlund, Per, et al.
(författare)
-
Combining Project Management Methods : a Case Study of Distributed Work Practices
- 2006
-
Ingår i: Advances in Information Systems Development. - Boston, MA : Springer. - 0387308342 - 9780387308340 - 9780387364025 ; , s. 253-264
-
Konferensbidrag (refereegranskat)abstract
- Distribution is a multifaceted concept and one aspect concerns the adoption of ideas from a combination of methods for project management. Such distribution imposes new demands on project management and coordination since the project management aspect is an integral part of information systems development methods. This paper reports from a case study of coordinating project management practices in a commercial development method and an in-house method for project management. In order to conduct the study of how methods are combined and utilized, one of the researchers followed a development project for six months. The general aim of the project under study is to replace the numerous system registers in use with one general register, which will aid in making system maintenance more efficient. The project also has two organisational goals: to give the team members an opportunity to use RUP in a real project setting; and to introduce new technology and a new development tool. The study highlights the importance of taking a start in current work practice as opposed to focusing on the new method as such. In summary, we stress the importance of taking a start in the work practice in terms of a method in use as opposed to method proponents’ push for new methods. Any long term change in work practices has to be internalised by the stakeholders in the practical context of method use. Hence, the case study presented here adds to the body of knowledge which distinguishes between the method as used and the method as prescribed by its proponents.
|
|
| 10. |
|
|
| 11. |
- Backlund, Per, et al.
(författare)
-
Workshop – Open Source Software for Computer Games and Virtual Worlds : Practice and Future
- 2010
-
Ingår i: Open Source Software: New Horizons. - Berlin, Heidelberg : Springer Berlin/Heidelberg. - 9783642132438 - 9783642422447 - 9783642132445 ; , s. 419-420
-
Konferensbidrag (refereegranskat)abstract
- Computer games and virtual worlds are increasingly used throughout our society with people playing on the bus, at home and at work. Computer games thus affect larger and larger number of people and areas in the society of today. There are even scholars who advocate that games or virtual environments create better environments for learning than traditional classrooms. This situation motivates the use of games and game technology for additional purposes, e.g. education, training, health care or marketing.
|
|
| 12. |
- Backlund, Per, et al.
(författare)
-
Workshop – Serious Games and Open Source : Practice and Futures
- 2009
-
Ingår i: Open Source Ecosystems: Diverse Communities Interacting. - Berlin : Springer. - 9783642020315 - 9783642020322 - 3642020313 ; , s. 361-362
-
Konferensbidrag (refereegranskat)abstract
- Computer games are increasingly used throughout our society with people playing on the bus, at home and at work. Computer games thus affect larger and larger number of people and areas in the society of today. There are even scholars who advocate that games create better environments for learning than traditional classrooms. This situation motivates the use of games and game technology for additional purposes, e.g. education, training, health care or marketing.
|
|
| 13. |
|
|
| 14. |
|
|
| 15. |
- Butler, Simon, et al.
(författare)
-
An Exploration of Openness in Hardware and Software Through Implementation of a RISC-V Based Desktop Computer
- 2022
-
Ingår i: OpenSym '22. - New York, NY, USA : Association for Computing Machinery (ACM). - 9781450398459 - 9781450398466
-
Konferensbidrag (refereegranskat)abstract
- Open hardware and open source software platforms bring benefits to both implementers and users in the form of system adaptability and maintainability, and through the avoidance of lock-in, for example. Development of the \riscv\ Instruction Set Architecture and processors during the last ten years has made the implementation of a desktop computer using open hardware, including open processors, and open source software an approaching possibility. We use the SiFive Unmatched development board and Ubuntu Linux, and the recorded experiences of system builders using the Unmatched board to explore the extent to which it is possible to create an open desktop computer. The work identifies current limitations to implementing an open computer system, which lie mainly at the interface between the operating system and hardware components. Potential solutions to the challenges uncovered are proposed, including greater consideration of openness during the early stages of product design. A further contribution is made by an account of the synergies arising from open collaboration in a private-collective innovation process.
|
|
| 16. |
- Butler, Simon, et al.
(författare)
-
An Investigation of Work Practices Used by Companies Making Contributions to Established OSS Projects
- 2018
-
Ingår i: ICSE-SEIP '18 Proceedings of the 40th International Conference on Software Engineering: Software Engineering in Practice. - New York : Association for Computing Machinery (ACM). - 9781450356596 ; , s. 201-210
-
Konferensbidrag (refereegranskat)abstract
- Professionals contribute to open source software (OSS) projects aspart of their employment. Previous research has addressed motivationsof individuals and the ways they engage with OSS projects.However, there is a lack of research which examines and explainswork practices used by companies in their engagement with projects.Work practices used by companies to contribute to five establishedOSS projects are investigated through examination of the actions ofemployees in public communication channels and draw on our experienceswhen analysing engagement with the same projects. Wefind that companies utilise work practices for contributing whichare congruent with the circumstances and their capabilities thatsupport their short and long term needs. We find that companiescontribute to OSS projects in different ways, such as employing coreproject developers, making donations, and joining project steeringcommittees in order to advance strategic interests.
|
|
| 17. |
- Butler, Simon, et al.
(författare)
-
Considerations and challenges for the adoption of open source components in software-intensive businesses
- 2022
-
Ingår i: Journal of Systems and Software. - : Elsevier. - 0164-1212 .- 1873-1228. ; 186
-
Tidskriftsartikel (refereegranskat)abstract
- Component-Based Software Development is a conventional way of working for software-intensive businesses and OpenSource Software (OSS) components are frequently considered by businesses for adoption and inclusion in softwareproducts. Previous research has found a variety of practices used to support the adoption of OSS components, in-cluding formally specified processes and less formal, developer-led approaches, and that the practices used continue todevelop. Evolutionary pressures identified include the proliferation of available OSS components and increases in thepace of software development as businesses move towards continuous integration and delivery. We investigate workpractices used in six software-intensive businesses in the primary and secondary software sectors to understand currentapproaches to OSS component adoption and the challenges businesses face establishing effective work practices to eval-uate OSS components. We find businesses have established processes for evaluating OSS components and communitiesthat support more complex and nuanced considerations of the cost and risks of component adoption alongside matterssuch as licence compliance and functional requirements. We also found that the increasing pace and volume of softwaredevelopment within some businesses provides pressure to continue to evolve software evaluation processes.
|
|
| 18. |
- Butler, Simon, et al.
(författare)
-
Maintaining interoperability in open source software : A case study of the Apache PDFBox project
- 2020
-
Ingår i: Journal of Systems and Software. - : Elsevier. - 0164-1212 .- 1873-1228. ; 159
-
Tidskriftsartikel (refereegranskat)abstract
- Software interoperability is commonly achieved through the implementation of standards for communication protocols or data representation formats. Standards documents are often complex, difficult to interpret, and may contain errors and inconsistencies, which can lead to differing interpretations and implementations that inhibit interoperability. Through a case study of two years of activity in the Apache PDFBox project we examine day-to-day decisions made concerning implementation of the PDF specifications and standards in a community open source software (OSS) project. Thematic analysis is used to identify semantic themes describing the context of observed decisions concerning interoperability. Fundamental decision types are identified including emulation of the behaviour of dominant implementations and the extent to which to implement the PDF standards. Many factors influencing the decisions are related to the sustainability of the project itself, while other influences result from decisions made by external actors, including the developers of dependencies of PDFBox. This article contributes a fine grained perspective of decision-making about software interoperability by contributors to a community OSS project. The study identifies how decisions made support the continuing technical relevance of the software, and factors that motivate and constrain project activity.
|
|
| 19. |
- Butler, Simon, et al.
(författare)
-
On business adoption and use of reproducible builds for open and closed source software
- 2023
-
Ingår i: Software quality journal. - : Springer Nature Switzerland AG. - 0963-9314 .- 1573-1367. ; 31:3, s. 687-719
-
Tidskriftsartikel (refereegranskat)abstract
- Reproducible builds (R-Bs) are software engineering practices that reliably create bit-for-bit identical binary executable files from specified source code. R-Bs are applied in someopen source software (OSS) projects and distributions to allow verification that the distrib-uted binary has been built from the released source code. The use of R-Bs has been advo-cated in software maintenance and R-Bs are applied in the development of some OSS secu-rity applications. Nonetheless, industry application of R-Bs appears limited, and we seekto understand whether awareness is low or if significant technical and business reasonsprevent wider adoption. Through interviews with software practitioners and business man-agers, this study explores the utility of applying R-Bs in businesses in the primary and sec-ondary software sectors and the business and technical reasons supporting their adoption.We find businesses use R-Bs in the safety-critical and security domains, and R-Bs are valu-able for traceability and support collaborative software development. We also found thatR-Bs are valued as engineering processes and are seen as a badge of software quality, butwithout a tangible value proposition. There are good engineering reasons to use R-Bs inindustrial software development, and the principle of establishing correspondence betweensource code and binary offers opportunities for the development of further applications.
|
|
| 20. |
- Butler, Simon, et al.
(författare)
-
On Company Contributions to Community Open Source Software Projects
- 2021
-
Ingår i: IEEE Transactions on Software Engineering. - : Institute of Electrical and Electronics Engineers (IEEE). - 0098-5589 .- 1939-3520. ; 47:7, s. 1381-1401
-
Tidskriftsartikel (refereegranskat)abstract
- The majority of contributions to community open source software (OSS) projects are made by practitioners acting on behalf of companies and other organisations. Previous research has addressed the motivations of both individuals and companies to engage with OSS projects. However, limited research has been undertaken that examines and explains the practical mechanisms or work practices used by companies and their developers to pursue their commercial and technical objectives when engaging with OSS projects. This research investigates the variety of work practices used in public communication channels by company contributors to engage with and contribute to eight community OSS projects. Through interviews with contributors to the eight projects we draw on their experiences and insights to explore the motivations to use particular methods of contribution. We find that companies utilise work practices for contributing to community projects which are congruent with the circumstances and their capabilities that support their short- and long-term needs. We also find that companies contribute to community OSS projects in ways that may not always be apparent from public sources, such as employing core project developers, making donations, and joining project steering committees in order to advance strategic interests. The factors influencing contributor work practices can be complex and are often dynamic arising from considerations such as company and project structure, as well as technical concerns and commercial strategies. The business context in which software created by the OSS project is deployed is also found to influence contributor work practices.
|
|
| 21. |
|
|
| 22. |
- Crusoe, Jonathan, 1991-
(författare)
-
Why is it so challenging to cultivate open government data? : Understanding impediments from an ecosystem perspective
- 2019
-
Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Introduction: This compilation licentiate thesis focuses on open government data (OGD). The thesis is based on three papers. OGD is a system that is organized when publishers collect and share data with users, who can unrestrictedly reuse the data. In my research, I have explored why it can be challenging to cultivate OGD. Cultivation is human activities that change, encourage, or guide human organizations towards a higher purpose by changing, introducing, managing, or removing conditions. Here, the higher purpose is OGD to realize believed benefits. Thus, OGD cultivation is an attempt to stimulate actors into organizing as OGD.Problem and Purpose: OGD is believed to lead to several benefits. However, the worldwide OGD movement has slowed down, and researchers have noted a lack of use. Publishers and users are experiencing a set of different impediments that are challenging to solve. In previous research, there is a need for more knowledge about what can impede the OGD organization, cause non-valuable organizing, or even collapse the organization. At the same time, there is a lack of knowledge about how impediments shape the organization of OGD. This gap can make it hard to solve and overcome the impediments experienced by publishers and users. The sought-after knowledge can bring some understanding of the current situation of OGD. In this research, I have viewed the organization of OGD as an ecosystem. The purpose of this thesis is to draw lessons about why it can be challenging to cultivate OGD ecosystems by understanding OGD impediments from an ecosystem perspective.Research Design: I set out to explore OGD through qualitative research from 2016 to 2018. My research started with a pilot case study that led to three studies. The studies are each reported in a paper and the papers form the base of this thesis. The first paper aims to stimulate the conceptually oriented discussion about actors’ roles in OGD by developing a framework that was tested on a Swedish public agency. The second paper has the purpose of expanding the scope surrounding impediments and was based in a review and systematization of previous research about OGD impediments. The third paper presents an exploration of impediments experienced by publishers, users, and cultivators in the Swedish national OGD ecosystem to identify faults. From the three papers, lessons were drawn in turn and together, that are presented in this thesis.Findings: Cultivators when cultivating OGD ecosystems are facing towering challenges. The following three main challenges are identified in this thesis: (1) to cultivate a system that can manage stability by itself without constant involvement, (2) to cultivate a system that is capable of evolving towards a “greater good” by itself, and (3) to have an up-to-date precise vocabulary for a self-evolving system that enables inter-subjective understand for coordinating problem-solving.Contribution: The theoretical contribution of this thesis is that OGD ecosystems can be viewed as a public utility. Moreover, I recommend that researchers approach the organizing of OGD as the cultivation of evolution, rather than the construction of a structure; to consider the stability of the system in growth, value, and participation; and to be cautious with how they label and describe OGD actors. For actors that are cultivating OGD, I recommend that they guide the OGD actors to help them organize; view OGD cultivation as the management of evolution (growth) towards a purpose; and view cultivation as a collaborative effort where they can supply ideas, technologies, practices, and expertise.
|
|
| 23. |
|
|
| 24. |
|
|
| 25. |
|
|
| 26. |
- Fischer, Thomas, Dr.-Ing. 1978-, et al.
(författare)
-
Achieving Conformance to Document Standards : Can PDF Files Conform to the PDF/A-1b Specification?
- 2021
-
Ingår i: International Journal of Standardization Research. - : IGI Global. - 2470-8542 .- 2470-8550. ; 19:1, s. 1-32
-
Tidskriftsartikel (refereegranskat)abstract
- In the context of long-term archival of digital assets, file formats that are standardized and designed for longevity such as PDF/A are preferred. However, due to the complexity of and ambiguities in PDF standards, it is far from trivial to either create standard-conformant files or check the conformance of any given file. This study investigates the challenges when checking real-world PDF files from public sector organizations meant for long-term archival for PDF/A conformance. Results show that only a small set of PDF files claims to conform to the PDF/A-1b specification variant and even fewer files pass conformance checks by various conformance checking tools. Challenges for conformance checking tools include both ambiguities in the standards’ technical specifications and limitations in the implementation.
|
|
| 27. |
- Fischer, Thomas, Dr.-Ing. 1978-, et al.
(författare)
-
On challenges for achieving conformance of files to document standards : The case of PDF/A-1b
- 2021
-
Ingår i: Joint Proceedings EURAS 2021. - Aachen : Verlag Mainz. - 9783958864214 - 395886421X ; , s. 171-190
-
Konferensbidrag (refereegranskat)abstract
- File formats that are standardized and designed for longevity, such as PDF/A, are preferred in the context of long-term archival of digital assets. However, it is far from trivial to either create standard-conformant files or check the conformance of any given file due to the complexity and ambiguities in PDF standards. This study aims to investigate challenges when checking PDF/A conformance for real-world PDF files from public sector organizations that are intended for long-term-archival. Findings show that only a small proportion of the PDF files claim to conform to the PDF/A-1b specification and even fewer files pass conformance checks performed through the use of various conformance checking tools. Challenges for conformance checking tools include both ambiguities in the technical specifications of standards and limitations in the implementation of software.
|
|
| 28. |
- Fischer, Thomas, et al.
(författare)
-
On challenges for achieving conformance to document standards : Can PDF files conform to the PDF/A-1b specification?
- 2020
-
Ingår i: Proceedings 25th EURAS Annual Standardisation Conference. - Aachen : Verlagshaus Mainz. - 9783958863552 - 3958863558 ; , s. 21-40
-
Konferensbidrag (refereegranskat)abstract
- In the context of long-term archival of digital assets, file formats that are standardized and designed for longevity such as PDF/A are preferred. However, due to the complexity and ambiguities in PDF standards, it is far from trivial to either create standard-conformant files or check the conformance of any given file. This study aims at investigating the challenges when checking real-world PDF files from public sector organizations meant for long-term archival for PDF/A conformance. Results show that only a small set of PDF files claims to conform to the PDF/A-1b specification variant and even fewer files pass conformance checks by various conformance checking tools. Challenges for conformance checking tools include both ambiguities in the standards’ technical specifications and limitations in the implementation.
|
|
| 29. |
- Fischer, Thomas, Dr.-Ing. 1978-, et al.
(författare)
-
On PDF/A Conformance and Font Usage in PDF Documents Provided by Public Sector Organizations
- 2023
-
Ingår i: International Journal of Standardization Research. - : IGI Global. - 2470-8542 .- 2470-8550. ; 20:1, s. 1-19
-
Tidskriftsartikel (refereegranskat)abstract
- The use of appropriate fonts and file formats for long-term maintenance of digital assets is a challenge for organizations in the public sector. The article reports from a study which investigated the PDF/A conformance and font usage in PDF files provided by Swedish public sector organizations (PSOs). This article presents an analysis of the PDF files’ properties and font usage including a categorization of fonts’ licenses. This study is motivated by the PDF/A-1 standard’s requirement that ‘only fonts that are legally embeddable in a file for unlimited, universal rendering shall be used.’ Analyzing PDF sets from three PSOs, the finding shows that the proportion of files that claim or succeed at conforming to PDF/A greatly varies among the sets despite similar backgrounds. Although the most popular way to make use of fonts is by embedding a subset of the font data, for some fonts expected to be ‘always available,’ a considerable proportion of PDF files does not include any font data. This puts the onus of locating this data on the PDF reader which is problematic for long-term archival
|
|
| 30. |
- Fischer, Thomas, et al.
(författare)
-
Swedish Dissertations : Archived for the Future?
- 2013
-
Ingår i: Proceedings of the 17th International Academic MindTrek Conference. - New York : ACM Press. - 9781450319928 ; , s. 176-179
-
Konferensbidrag (refereegranskat)abstract
- The publication and preservation of doctoral dissertations is fundamental to progression of research in a field. It allows future generations to 'stand on the shoulders of giants'.Archiving dissertations requires to store them in a way that they will be accessible even when technologies change. Classical paper publications fulfill those requirements but have disadvantages such as the need for physical storage or distribution. An increasingly popular alternative is to store dissertations as electronic documents such as PDF files.In this study, we analyze the extent to which electronically available doctoral dissertations published in Sweden fulfill the basic requirements of standard conformance and applicability for long-term archiving.We find that only a small proportion of dissertations' electronic publications follow the Swedish National Archive's requirements to conform to standards made for long-term archiving. Only at one Swedish university, a significant number of electronic publications does conform to PDF/A-1b. Interestingly, conformance to PDF/A-1b correlates to properly setting the title of a PDF document and choosing a paper format different from A4 (ISO 216). This suggests that the consequences of missed compliance for long-term archiving are not commonly known and authors have to make a conscious choice for PDF/A-1b compliance.
|
|
| 31. |
- Francke, Helena, et al.
(författare)
-
Institutional repositories as infrastructures for long-term preservation
- 2017
-
Ingår i: Information research. - : Högskolan i Borås. - 1368-1613. ; 22:2
-
Tidskriftsartikel (refereegranskat)abstract
- Introduction. The study describes the conditions for long-term preservation of the content of the institutional repositories of Swedish higher education institutions based on an investigation of how deposited files are managed with regards to file format and how representatives of the repositories describe the functions of the repositories. Method. The findings are based on answers to a questionnaire completed by thirty-four institutional repository representatives (97% response rate). Analysis. Questionnaire answers were analysed through descriptive statistics and qualitative coding. The concept of information infrastructures was used to analytically discuss repository work. Results. Visibility and access to content were considered to be the most important functions of the repositories, but long-term preservation was also considered important for publications and student theses. Whereas a majority of repositories had some form of guidelines for which file formats were accepted, very few considered whether or not file formats constitute open standards. This can have consequences for the long-term sustainability and access of the content deposited in the repositories. Conclusion. The study contributes to the discussion about the sustainability of research publications and data in the repositories by pointing to the potential difficulties involved for long-term preservation and access when there is little focus on and awareness of open file formats.
|
|
| 32. |
- Francke, Helena, et al.
(författare)
-
Tillgängliggöra på kort eller lång sikt? : En studie av svenska lärosätens institutionella repositorier
- 2016
-
Konferensbidrag (populärvet., debatt m.m.)abstract
- Presentationen redogör för resultaten av en enkät som besvarades av personal vid 34 svenska lärosätens institutionella repositorier under sommaren 2015. Syftet med studien var att utveckla förståelse för förutsättningarna för långsiktigt digitalt bevarande av materialet i de svenska lärosätenas institutionella repositorier. Detta gjordes dels genom att undersöka organisationernas syn på det institutionella repositoriets funktion och livscykel, dels genom att skapa en bild av innehållet i repositorierna. Presentationen behandlar enkätsvaren kring det institutionella repositoriets funktion med fokus på hur viktigt respondenterna uppskattar att tillgängliggörande och långsiktigt bevarande av forskningspublikationer, studentarbeten och forskningsdata genom repositoriet är. Dessutom behandlas svar som rör policy och arbetssätt vad gäller filformat eftersom dessa val är viktiga vid långsiktigt digitalt bevarande.
|
|
| 33. |
|
|
| 34. |
- Gamalielsson, Jonas, et al.
(författare)
-
Exploring Influences Between ICT Standards and Their Implementations in Open Source Software Projects : The Case of H.264
- 2021
-
Ingår i: Joint Proceedings EURAS 2021. - Aachen : Verlag Mainz. - 9783958864214 - 395886421X ; , s. 211-226
-
Konferensbidrag (refereegranskat)abstract
- Novel results concerning influences between ICT standards and their implementations in open source software (OSS) are presented in this paper. Findings draw from observations and analysis related to the ITU-T H.264 standard and two OSS projects (OpenH264 and x264) that implement the standard. The study reports on a characterisation of organisations that influence and control the H.264 standard, organisations that influence and control OSS projects implementing the H.264 standard, and influences between contributors involved with the H.264 standard and OSS projects that implement the standard. Furthermore, projects for standardisation and implementation of H.264 are contrasted with respect to the mix of contributing organisations, and findings are put in relation to organisational strategies of contributing organisations and previous research.
|
|
| 35. |
|
|
| 36. |
- Gamalielsson, Jonas, et al.
(författare)
-
Long-Term Sustainability of Open Source Software Communities beyond a Fork : A Case Study of LibreOffice
- 2012
-
Ingår i: Open Source Systems: Long-Term Sustainability. - Berlin, Heidelberg : Springer Berlin/Heidelberg. - 9783642334412 - 9783642334429 ; , s. 29-47
-
Konferensbidrag (refereegranskat)abstract
- Many organisations have requirements for long-term sustainable software systems and associated communities. In this paper we consider long-term sustainability of Open Source software communities in Open Source projects involving a fork. There is currently a lack of studies in the literature that address how specific Open Source software communities are affected by a fork. We report from a case study aiming to investigate the developer community around the LibreOffice project, which is a fork from the OpenOffice.org project. The results strongly suggest a long-term sustainable community and that there are no signs of stagnation in the project 15 months after the fork. Our analysis provides details on the LibreOffice developer community and how it has evolved from the OpenOffice.org community with respect to project activity, long-term involvement of committers, and organisational influence over time. The findings from our analysis of the LibreOffice project make an important contribution towards a deeper understanding of challenges regarding long-term sustainability of Open Source software communities.
|
|
| 37. |
- Gamalielsson, Jonas, et al.
(författare)
-
On availability of Open Source Software reference implementations for standards issued by different standards setting organisations
- 2023
-
Ingår i: Joint Proceedings EURAS & SIIT 2023. - Aachen : Verlag Mainz. - 9783958864917 - 3958864910 ; , s. 97-116
-
Konferensbidrag (refereegranskat)abstract
- Software reference implementations of ICT standards have an important role for verifying that a standard is implementable, supporting interoperability testing among other implementations, and providing feedback to the standard development process. Providing reference implementations and widely used implementations of a standard as Open Source Software also promotes wide deployment in software systems, avoidance of different lock-in effects, interoperability, and longevity of systems and associated digital assets. In this paper results are reported on the availability of reference implementations and widely deployed implementations provided as Open Source Software for standards issued by different standards setting organisations. Specifically, findings draw from observations and analyses related to software implementations for identified standards issued by ETSI, IEC, IEEE, IETF, ISO, ITU-T, OASIS, and W3C.
|
|
| 38. |
- Gamalielsson, Jonas, et al.
(författare)
-
On Engagement With ICT Standards and Their Implementations in Open Source Software Projects : Experiences and Insights From the Multimedia Field
- 2021
-
Ingår i: International Journal of Standardization Research (IJSR). - Hershey, Pennsylvania : IGI Global. - 2470-8542 .- 2470-8550. ; 19:1, s. 1-28
-
Tidskriftsartikel (refereegranskat)abstract
- The overarching goal in this paper is to investigate organisational engagement with an ICT standard and open source software (OSS) projects that implement the standard, with a specific focus on the multimedia field, which is relevant in light of the wide deployment of standards and different legal challenges in this field. The first part reports on experiences and insights from engagement with standards in the multimedia field and from implementation of such standards in OSS projects. The second part focuses on the case of the ITU-T H.264 standard and the two OSS projects OpenH264 and x264 that implement the standard, and reports on a characterisation of organisations that engage with and control the H.264 standard, and organisations that engage with and control OSS projects implementing the H.264 standard. Further, projects for standardisation and implementation of H.264 are contrasted with respect to mix of contributing organisations, and findings are related to organisational strategies of contributing organisations and previous research.
|
|
| 39. |
- Gamalielsson, Jonas, et al.
(författare)
-
On engagement with ICT standards and their implementations in open source software projects : The case of H.265
- 2021
-
Ingår i: Joint Proceedings EURAS 2021. - Aachen : Verlag Mainz. - 9783958864214 - 395886421X ; , s. 191-210
-
Konferensbidrag (refereegranskat)abstract
- In this paper novel results are reported on engagement with ICT standards and their implementations in open source software (OSS). Specifically, findings draw from observations and analyses related to the ITU-T H.265 standard and five OSS projects (x265, libde265, SVT-HEVC, Kvazaar, and Turing codec) implementing the standard. The study reports on a characterisation of organisations that engage with standard development for the H.265 standard and organisations with declarations for H.265 in the ITU-T patent database in relation to standard development for H.265, and how OSS projects implementing H.265 are related to standard development for H.265.
|
|
| 40. |
- Gamalielsson, Jonas, et al.
(författare)
-
On engagement with ICT standards and their implementations in open source software projects : the case of WebRTC
- 2022
-
Ingår i: Proceedings 26th EURAS Annual Standardisation Conference. - Aachen : Verlag Mainz. - 9783958864467 ; , s. 143-162
-
Konferensbidrag (refereegranskat)abstract
- Real-time communication (RTC) technologies for the web provide opportunities for individuals and organisations to work and collaborate remotely, and the need for such technologies has recently increased. Use of RTC technologies and tools for the web involves a number of challenges concerning data privacy and lock-in effects, such as dependency to specific suppliers and proprietary technologies. Use of open standards for RTC and open source software (OSS) implementing such standards can create conditions for avoiding issues related to data privacy and lock-in, and thereby provides opportunities for long-term sustainable solutions. The paper characterises how engagement with standardisation of WebRTC in the context of IETF and W3C is related to engagement with the WebRTC OSS project.
|
|
| 41. |
|
|
| 42. |
- Gamalielsson, Jonas, et al.
(författare)
-
On influences between ICT standards and their implementations in open source software projects : the case of H.264
- 2020
-
Ingår i: Booklet of Papers of the 11th International Conference on Standardisation and Innovation in Information Technology (SIIT 2020). - Aachen : Verlagshaus Mainz. - 3958863795 - 9783958863798 ; , s. 1-12
-
Konferensbidrag (refereegranskat)abstract
- This paper presents novel results concerning influences between ICT standards and their implementations in open source software (OSS). Specifically, findings draw from observations and analysis related to the ITU-T H.264 standard and the two OSS projects OpenH264 and x264 that both implement the standard. The study reports on a characterisation of organisations that influence and control the H.264 standard, organisations that influence and control OSS projects implementing the H.264 standard, and influences between contributors involved with the H.264 standard and OSS projects implementing that standard. Further, projects for standardisation and implementation of H.264 are contrasted with respect to mix of contributing organisations, and findings are related to organisational strategies of contributing organisations and previous research.
|
|
| 43. |
- Gamalielsson, Jonas, et al.
(författare)
-
On Involvement in Open Standards : How Do Organisations Contribute to W3C Standards Through Editorship?
- 2016. - 1
-
Ingår i: Open Source Systems: Integrating Communities. - Cham : Springer. - 9783319392240 - 9783319392257 - 9783319818443 ; , s. 57-70
-
Bokkapitel (refereegranskat)abstract
- Over the years, a number of open standards have been developed and implemented in software for addressing a number of challenges, such as lock-in, interoperability and longevity of software systems and associated digital artefacts. Understanding organisational involvement and collaboration in standardisation is important for informing any future policy and organisational decisions concerning involvement in standardisation. The overarching goal of the study is to establish how organisations contribute to open standards development through editorship. Specifically, the focus is on open standards development in W3C. Through an analysis of editorship for all W3C recommendations we contribute novel findings concerning organisational involvement and collaboration, and highlight contributions from different types of organisations and countries for headquarter of each organisation. We make three principal contributions. First, we establish an overall characterisation of organisational involvement in W3C standardisation. Second, we report on organisational involvement in W3C standardisation over time. Third, we establish organisational collaboration in W3C standardisation through social network analysis.
|
|
| 44. |
- Gamalielsson, Jonas, et al.
(författare)
-
On licensing and other conditions for contributing to widely used open source projects : an exploratory analysis
- 2017
-
Ingår i: OpenSym '17. - New York : Association for Computing Machinery (ACM). - 9781450351874 ; , s. 9:1-9:14
-
Konferensbidrag (refereegranskat)abstract
- Open source software (OSS) projects are provided under different open source licenses and some projects use other conditions (in addition to licensing terms) for contributors to adhere to. Licensing terms and conditions may affect community involvement and contributions, and are perceived differently by different stakeholders in different OSS projects. The study reports from an exploratory analysis of licensing terms and other conditions for 200 widely used OSS projects, and an investigation of the relationship between licensing terms and other conditions for contributing. We find that strong copyleft licenses are most common and are used in the majority of the projects. Further, a clear majority of the OSS projects use no specific other condition for contributing in addition to the license terms. However, a clear majority of the OSS projects supported by foundations use other conditions for contributing in addition to the license terms. Finally, use of no specific other conditions in addition to the license terms is more common for projects using strong copyleft licensing compared to projects using non-copyleft licensing.
|
|
| 45. |
- Gamalielsson, Jonas, et al.
(författare)
-
On organisational influences in software standards and their open source implementations
- 2015
-
Ingår i: Information and Software Technology. - : Elsevier. - 0950-5849 .- 1873-6025. ; 67, s. 30-43
-
Tidskriftsartikel (refereegranskat)abstract
- Context: It is widely acknowledged that standards implemented in open source software can reduce risks for lock-in, improve interoperability, and promote competition on the market. However, there is limited knowledge concerning the relationship between standards and their implementations in open source software. This paper reports from an investigation of organisational influences in software standards and open source software implementations of software standards. The study focuses on the RDFa standard and its implementation in the Drupal project.Objective: The overarching goal of the study is to establish organisational influences in software standards and their implementations in open source software. More specifically, our objective is to establish organisational influences in the RDFa standard and its implementation in the Drupal project.Method: By conduct of a case study of the RDFa standard and its implementation in the Drupal project we investigate organisational influences in software standards and their implementations in open source software. Specifically, the case study involved quantitative analyses of issue tracker data for different issue trackers for W3C RDFa and the Drupal implementation of RDFa.Results: The case study provides details on how and to what extent organisational influences occur in W3C RDFa and the Drupal implementation of RDFa, by specifically providing a characterisation of issues and results concerning contribution to issue raising and commenting, organisational involvement over time, and individual and organisational collaboration on issues.Conclusion: We find that widely deployed standards can benefit from contributions provided by a range of different individuals, organisations, and types of organisations either directly to a standardisation project or indirectly via an open source project implementing the standard. Further, we also find that open processes for standardisation adopted by W3C may also contribute to open source projects implementing specific standards.
|
|
| 46. |
- Gamalielsson, Jonas, et al.
(författare)
-
On organisational involvement and collaboration in W3C standards through editorship
- 2017
-
Ingår i: Journal of Internet Services and Applications. - : Hindawi Publishing Corporation. - 1867-4828 .- 1869-0238. ; 8:1, s. 5:1-5:26
-
Tidskriftsartikel (refereegranskat)abstract
- Over time, a number of open standards have been developed and implemented in software for addressing a number of challenges, such as lock-in, interoperability and longevity of software systems and associated digital artefacts. An understanding of organisational involvement and collaboration in standardisation is important for informing any future policy and organisational decisions concerning involvement in standardisation. The overarching goal of the study is toestablish how organisations contribute to open standards development through editorship. Specifically, the focus is on open standards development in the World Wide Web Consortium (W3C). Through an analysis of editorship for all W3C recommendations we contribute novel findings concerning organisational involvement and collaboration, and highlight contributions from different types of organisations and countries. We make five principal contributions. First, we establish an overall characterisation of organisational involvement in W3C standardisation. Second, we report on organisational involvement in W3C standardisation over time. Third, we establish how different organisations, organisation types, and countries are involved in W3C technologies. Fourth, we report on organisational involvement in relation to standard development time. Fifth, we establish how organisations collaborate in W3C standardisation through social network analysis.
|
|
| 47. |
- Gamalielsson, Jonas, et al.
(författare)
-
On the availability and effectiveness of open source software for digital signing of PDF documents
- 2015
-
Ingår i: Open Source Systems: Adoption and Impact. - Cham : Springer. - 9783319178363 - 9783319178370 ; , s. 71-80
-
Konferensbidrag (refereegranskat)abstract
- Digital signatures are important in order to ensure the integrity and authenticity of information communicated over the Internet involving different stakeholders within and beyond the borders of different nations. The topic has gained increased interest in the European context and there is legislation and project initiatives aiming to facilitate use and standardisation of digital signatures. Open standards and open source implementations of open standards are important means for the interoperability and long-term maintenance of software systems implementing digital signatures. In this paper we report from a study aiming to establish the availability and effectiveness of software provided under an open source license for digital signing and validation of PDF documents. Specifically, we characterise the use of digital signatures in Swedish Governmental agencies, report on the interoperability of open source and proprietary licensed software for digital signatures in PDF documents, and establish the effectiveness of software provided under an open source license for validation of digital signatures in PDF documents.
|
|
| 48. |
|
|
| 49. |
- Gamalielsson, Jonas, et al.
(författare)
-
Open Source Software for Data Curation of Digital Assets : a case study
- 2010
-
Ingår i: Proceedings of the 14th International Academic MindTrek Conference. - New York : Association for Computing Machinery (ACM). - 9781450300117 - 1450300111 ; , s. 61-64
-
Konferensbidrag (refereegranskat)abstract
- Legacy file formats is an increasing concern for organisations. Therefore it is important for any company to develop sustainable strategies for data curation in order to maintain valuable digital assets. In this paper we report from a case study conducted in a company context aiming to investigate the feasibility of using Open Source approaches for curation of corporate digital assets kept in proprietary legacy file formats to open file formats. We consider different aspects of openness in a corporate strategy for maintaining digital assets. An important aspect concerns activity and company influence in an Open Source tool-chain, another concerns support for data curation of digital assets actually offered by the tool chain. We find that organisational concern over legacy file formats continues to be an issue, and that strong commercial influence on Open Source projects is no guarantee for success.
|
|
| 50. |
- Gamalielsson, Jonas, et al.
(författare)
-
Open Source Software for Model Driven Development : A Case Study
- 2011
-
Ingår i: Open Source Systems: Grounding Research. - Berlin, Heidelberg : Springer. - 9783642244179 - 9783642244186 ; , s. 348-367
-
Konferensbidrag (refereegranskat)abstract
- Model Driven Development (MDD) is widely used in the embedded systems domain, and many proprietary and Open Source tools exist that support MDD. The potential for sustainability of such tools needs to assessed prior to any organisational adoption. In this paper we report from a case study conducted in a consultancy company context aiming to investigate Open Source tools for MDD. For the company it was interesting to explore the two Open Source modelling tools Topcased and Papyrus for potential adoption. The focus for our case study is on assessing the health of the ecosystems for the two investigated Open Source projects by means of quantitative analysis of publically available data sources about Open Source projects. The health of ecosystems is an important prerequisite for a long term sustainable OSS (Open Source Software) tool-chain in the MDD area, which can aid strategic decision making for potential adoption within a company context. We have established details on the extent to which developers and users are active in two specific OSS ecosystems, and identified organisational influence for both ecosystems. We find that the investigated tools are promising regarding the health of their ecosystems, and a natural next step for the company would be to proceed with a pilot study in order to analyse the effectiveness of the investigated tools in company contexts.
|
|
