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Sökning: swepub > Konferensbidrag > Göteborgs universitet > Blekinge Tekniska Högskola

  • Resultat 1-10 av 29
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  • Ranerup, Agneta, 1960-, et al. (författare)
  • Enrolling Local Strategic Actors in Public Portal Development
  • 2011
  • Ingår i: Electronic Government : The 10th IFIP WG 8.5 International Conference on Electronic Government EGOV 2011, Proceedings. - Delft : Springer. - 978-3-642-22877-3 ; s. 247-258
  • Konferensbidrag (refereegranskat)abstract
    • Paper som beskriver formering av nätverk i samband med utveckling av en hälsoportal inom e-Government. En fallstudie med teoretiskt ramverk hämtat från Actor Network Theory (ANT). Diskuterar conceptet "enrolment devices" och dess tillämpning i komplex nätverkverksformation och behovet av lokalt stöd för en positiv utveckling av en hållbar projekt organisation.
  • Berntsson Svensson, Richard, et al. (författare)
  • Prioritization of quality requirements: State of practice in eleven companies
  • 2011
  • Ingår i: 2011 IEEE 19th International Requirements Engineering Conference, RE 2011; Trento; 29 August 2011 through 2 September 2011. - 978-145770923-4 ; s. 69-78
  • Konferensbidrag (refereegranskat)abstract
    • Requirements prioritization is recognized as an important but challenging activity in software product development. For a product to be successful, it is crucial to find the right balance among competing quality requirements. Although literature offers many methods for requirements prioritization, the research on prioritization of quality requirements is limited. This study identifies how quality requirements are prioritized in practice at 11 successful companies developing software intensive systems. We found that ad-hoc prioritization and priority grouping of requirements are the dominant methods for prioritizing quality requirements. The results also show that it is common to use customer input as criteria for prioritization but absence of any criteria was also common. The results suggests that quality requirements by default have a lower priority than functional requirements, and that they only get attention in the prioritizing process if decision-makers are dedicated to invest specific time and resources on QR prioritization. The results of this study may help future research on quality requirements to focus investigations on industry-relevant issues.
  • Staron, Miroslaw, 1977-, et al. (författare)
  • Properties of Stereotypes from the Perspective of Their Role in Designs
  • 2005
  • Ingår i: 8th International Conference on Model Driven Engineering Languages and Systems (formerly "UML"), Lecture Notes in Computer Science. - 3-540-29010-9 ; s. 201-215
  • Konferensbidrag (refereegranskat)abstract
    • Stereotypes in object-oriented software development can be perceived in various ways and they can be used for various purposes. As a consequence of these variations, assessing quality of stereotypes needs to be purpose-specific. In this paper we identify eight types of stereotypes and provide a set of criteria for assessing quality of stereotypes. The criteria for each type are formed by a set of properties that characterizes its stereotypes. The identified types are based on the purpose of each stereotype (its role in designs) and its expressiveness. We identified the types of stereotypes and their properties in an empirical way by investigating stereotypes from UML profiles used in industrial software development. The properties are intended to be used in our further research for developing guidelines for creating and using stereotypes in a more efficient way.
  • Lenberg, Per, 1976-, et al. (författare)
  • Towards a Behavioral Software Engineering
  • 2014
  • Ingår i: CHASE 2014 Proceedings of the 7th International Workshop on Cooperative and Human Aspects of Software Engineering. - 978-1-4503-2860-9 ; s. 48-55
  • Konferensbidrag (refereegranskat)abstract
    • Throughout the history of Software Engineering (SE) it has been repeatedly found that the humans involved, i.e. the engineers and developers in addition to other stakeholders, are a key factor in determining project outcomes and success. However, the amount of research that focuses on human aspects has been limited compared to research with technology or process focus. With increasing maturity of the field, interest in agile methods and a growing dissatisfaction with the continued challenges of developing high-quality software on time, the amount of SE research putting human aspect in primary focus has increased. In this paper we argue that a synthesized view of the emerging human-focused SE research is needed and can add value through giving focus, direction and help identify gaps. Taking cues from the addition of Behavioral Economics as an important part of the area of Economics we propose the term Behavioral Software Engineering (BSE) as an umbrella concept for research that focus on behavioral and social aspects in the work activities of software engineers. We propose that a model based on three units of analysis can give structure and point to concepts that are important for BSE. To add detail to this model we are conducting a systematic review to map out what is currently known. To exemplify the model and the area we here present the results from a subset of the identified concepts.
  • Mairhofer, Stefan, et al. (författare)
  • Search-based Software Testing and Test Data Generation for a Dynamic Programming Language
  • 2011
  • Ingår i: Proceedings of the Genetic and Evolutionary Computation Conference (GECCO). ; s. 1859
  • Konferensbidrag (refereegranskat)abstract
    • Manually creating test cases is time consuming and error prone. Search-based software testing can help automate this process and thus reduce time and effort and increase quality by automatically generating relevant test cases. Previous research has mainly focused on static programming languages and simple test data inputs such as numbers. This is not practical for dynamic programming languages that are increasingly used by software developers. Here we present an approach for search-based software testing for dynamically typed programming languages that can generate test scenarios and both simple and more complex test data. The approach is implemented as a tool, RuTeG, in and for the dynamic programming language Ruby. It combines an evolutionary search for test cases that give structural code coverage with a learning component to restrict the space of possible types of inputs. The latter is called for in dynamic languages since we cannot always know statically which types of objects are valid inputs. Experiments on 14 cases taken from real-world Ruby projects show that RuTeG achieves full or higher statement coverage on more cases and does so faster than randomly generated test cases.
  • Berggren, Magnus, et al. (författare)
  • Analysis of how the noise level depends on different activities in a child day-care center
  • 2008
  • Ingår i: The 2008 Congress and Exposition of Noise Control Engineering, Inter-Noise, 2008 26-29 Oct, Shanghai, China.
  • Konferensbidrag (refereegranskat)abstract
    • In child day-care centers the noise level can rise to high levels and in some cases become so high that the people present risk hearing damage. The purpose of this investigation was to study how the noise level depends on the different activities during the day. The study was performed at a child day-care center and 6 children and 5 adult female teachers participated. The participants had a microphone attached next to the ear connected to a wearable digital recorder. A total of 32.5 hours of data was recorded. By listening tests the recorded data could be sorted by activity and by number of people present in the same room as the test subject. Activities were classified as belonging to one of the following: outdoor activity, indoor play, singing, storytelling and gathering. Further, by listening, the data was classified in small group/large group (3 or less/more than 3). The results show that the average noise level (LAeq) for outdoor activity was the highest and was measured to 88.1 dBA (average over 7h52min). Singing was 81.5 dBA (1h26min), indoor play 81.3 dBA (19h21min), storytelling 76.6 dBA (1h09min) and gathering 75.0 dBA (2h44min). The noise level difference between all activities except between singing and indoor play and gathering and storytelling could be verified using t-test (p<0.001). Further, the results showed that the average noise level was 86.6 dBA (14h11min) for the large group and 79.6 dBA (18h21min) for the small group. This difference, of 7.0 dB was statistically validated (p<0.001) using t-test.
  • Borgh, Markus, et al. (författare)
  • The effect of own voice on noise dosimeter measurements. A field study in a day-care center environment, including adults and children
  • 2008
  • Ingår i: The 2008 Congress and Exposition of Noise Control Engineering, Inter-Noise, 2008 26-29 Oct, Shanghai, China.
  • Konferensbidrag (refereegranskat)abstract
    • Noise dosimeters are valuable tools in assessing the individual noise dose in the workplace. At non-industrial work places with a high degree of communication, such measurements would include the wearer’s own voice which would be registered as noise. This may not always be desirable. The purpose of this investigation was to study the effect of the wearers own voice in noise dosimeter measurements, and especially the difference between children and adults as test subjects. The study took place at a day-care center and sixteen children and thirteen adult female preschool teachers participated. The participants wore a digital recorder during the day, which recorded the sound signal and vibrations originating from an accelerometer attached to the neck of the test subjects, for distinguishing of whether the subject was speaking or not. Thus, average A-weighted noise levels with and without the influence of the subjects own voice could be obtained. The Leq for the measurements with and without the own voice was 84.6 dBA and 72.2 dBA for the children, respectively, and 79.3 dBA and 70.0 dBA for adults. Student’s t-test showed a significant (p<0.01) difference of 12.4 dBA for children and 9.3 dBA for adults when comparing measurements including and excluding the own voice and also that the difference was significantly larger for children. Thus, the study conclude that the influence from the own voice implied an augmentation of the Leq value and that there is a significant difference between children and adults in how large this augmentation is.
  • Ghazi, Ahmad Nauman, et al. (författare)
  • Information sources and their importance to prioritize test cases in heterogeneous systems context
  • 2014
  • Ingår i: Communications in Computer and Information Science. - 1865-0929. - 978-3-662-43895-4 ; 425, s. 86-98
  • Konferensbidrag (refereegranskat)abstract
    • Context: Testing techniques proposed in the literature rely on various sources of information for test case selection (e.g., require- ments, source code, system structure, etc.). The challenge of test selection is amplified in the context of heterogeneous systems, where it is unknown which information/data sources are most important. Contribution: (1) Achieve in-depth understanding of test processes in heterogeneous systems; (2) Elicit information sources for test selection in the context of heterogeneous systems. (3) Capture the relative importance of the identified information sources. Method: Case study research is used for the elicitation and understanding of which information sources are relevant for test case privatization, followed by an exploratory survey capturing the relative importance of information sources for testing heterogeneous systems. Results: We classified different information sources that play a vital role in the test selection process, and found that their importance differs largely for the different test levels observed in heterogeneous testing. However, overall all sources were considered essential in test selection for heterogeneous systems. Conclusion: Heterogeneous system testing requires solutions that take all information sources into account when suggesting test cases for selection. Such approaches need to be developed and compared with existing solutions.
  • Gren, Lucas, 1984-, et al. (författare)
  • Work Motivational Challenges Regarding the Interface Between Agile Teams and a Non-Agile Surrounding Organization: A case study
  • 2014
  • Ingår i: Agile Conference (AGILE), 2014. July 28 2014-Aug.. - 978-0-7695-5222-4 ; s. 11-15
  • Konferensbidrag (refereegranskat)abstract
    • There are studies showing what happens if agile teams are introduced into a non-agile organization, e.g. higher overhead costs and the necessity of an understanding of agile methods even outside the teams. This case study shows an example of work motivational aspects that might surface when an agile team exists in the middle of a more traditional structure. This case study was conducted at a car manufacturer in Sweden, consisting of an unstructured interview with the Scrum Master and a semi-structured focus group. The results show that the teams felt that the feedback from the surrounding organization was unsynchronized resulting in them not feeling appreciated when delivering their work. Moreover, they felt frustrated when working on non-agile teams after have been working on agile ones. This study concludes that there were work motivational affects of fitting an agile team into a non-agile surrounding organization, and therefore this might also be true for other organizations.
  • Kuzniarz, Ludwik, et al. (författare)
  • An Empirical Study on Using Stereotypes to Improve Understanding of UML Models
  • 2004
  • Ingår i: International Workshop on Program Compehension, IEEE. - 0-7695-2149-5 ; s. 14-23
  • Konferensbidrag (refereegranskat)abstract
    • Stereotypes were introduced into the Unified Modeling Language (UML) to provide means of customizing this visual, general purpose, object-oriented modeling language, for its usage in specific application domains. The primary purpose of stereotypes is to brand an existing model element with a specific semantics. In addition, stereotypes can also be used as notational shorthand. The paper elaborates on this role of stereotypes from the perspective of UML, clarifies the role and describes a controlled experiment aimed at evaluation of the role – in the context of model understanding. The results of the experiment support the claim that stereotypes with graphical icons for their representation play a significant role in comprehension of models and show the size of the improvement.
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