Browsing by Subject "computer science"
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(2020)The research group dLearn.Helsinki has created a software for defining the work life competence skills of a person, working as a part of a group. The software is a research tool for developing the mentioned skills of users, and users can be of any age, from school children to employees in a company. As the users can be of different age groups, the data privacy of different groups has to be taken into consideration from different aspects. Children are more vulnerable than adults, and may not understand all the risks imposed to-wards them. Thus in the European Union the General Data Protection Regulation (GDPR)determines the privacy and data of children are more protected, and this has to be taken into account when designing software which uses said data. For dLearn.Helsinki this caused changes not only in the data handling of children, but also other users. To tackle this problem, existing and future use cases needed to be planned and possibly implemented. Another solution was to implement different versions of the software, where the organizations would be separate. One option would be determining organizational differences in the existing SaaS solution. The other option would be creating on-premise versions, where organizations would be locked in accordance to the customer type. This thesis introduces said use cases, as well as installation options for both SaaS and on-premise. With these, broader views of data privacy and the different approaches are investigated, and it can be concluded that no matter the approach, the data privacy of children will always prove a challenge.
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(Helsingin yliopistoUniversity of HelsinkiHelsingfors universitet, 2006)The study examines various uses of computer technology in acquisition of information for visually impaired people. For this study 29 visually impaired persons took part in a survey about their experiences concerning acquisition of infomation and use of computers, especially with a screen magnification program, a speech synthesizer and a braille display. According to the responses, the evolution of computer technology offers an important possibility for visually impaired people to cope with everyday activities and interacting with the environment. Nevertheless, the functionality of assistive technology needs further development to become more usable and versatile. Since the challenges of independent observation of environment were emphasized in the survey, the study led into developing a portable text vision system called Tekstinäkö. Contrary to typical stand-alone applications, Tekstinäkö system was constructed by combining devices and programs that are readily available on consumer market. As the system operates, pictures are taken by a digital camera and instantly transmitted to a text recognition program in a laptop computer that talks out loud the text using a speech synthesizer. Visually impaired test users described that even unsure interpretations of the texts in the environment given by Tekstinäkö system are at least a welcome addition to complete perception of the environment. It became clear that even with a modest development work it is possible to bring new, useful and valuable methods to everyday life of disabled people. Unconventional production process of the system appeared to be efficient as well. Achieved results and the proposed working model offer one suggestion for giving enough attention to easily overlooked needs of the people with special abilities. ACM Computing Classification System (1998): K.4.2 Social Issues: Assistive technologies for persons with disabilities I.4.9 Image processing and computer vision: Applications
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