| 31. |
- Thomas, Ilias, et al.
(author)
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Using measurements from wearable sensors for automatic scoring of Parkinson's disease motor states : Results from 7 patients
- 2017
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In: 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). - New York : IEEE. - 1094-687X. - 9781509028092 - 9781509028108 ; , s. 131-134
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Conference paper (peer-reviewed)abstract
- The objective of this study was to investigate the validity of an objective gait measure for assessment of different motor states of advanced Parkinson's disease (PD) patients. Seven PD patients performed a gait task up to 15 times while wearing sensors on their upper and lower limbs. Each task was performed at specific points during a test day, following a single dose of levodopa-carbidopa. At the time of the tasks the patients were video recorded and three movement disorder experts rated their motor function on three clinical scales: a treatment response scale (TRS) that ranged from −3 (very bradykinetic) to 0 (ON) to +3 (very dyskinetic), a dyskinesia score that ranged from 0 (no dyskinesia) to 4 (extreme dyskinesia), and a bradykinesia score that ranged from 0 (no bradykinesia) to 4 (extreme bradykinesia). Raw accelerometer and gyroscope data of the sensors were processed and analyzed with time series analysis methods to extract features. The utilized features quantified separate limb movements as well as movement symmetries between the limbs. The features were processed with principal component analysis and the components were used as predictors for separate support vector machine (SVM) models for each of the three scales. The performance of each model was evaluated in a leave-one-patient out setting where the observations of a single patient were used as the testing set and the observations of the other 6 patients as the training set. Root mean square error (RMSE) and correlation coefficients for the predictions showed a good ability of the models to map the sensor data into the rating scales. There were strong correlations between the SVM models and the mean ratings of TRS (0.79; RMSE=0.70), bradykinesia score (0.79; RMSE=0.47), and bradykinesia score (0.78; RMSE=0.46). The results presented in this paper indicate that the use of wearable sensors when performing gait tasks can generate measurements that have a good correlation to subjective expert assessments.
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| 32. |
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| 33. |
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| 34. |
- Rolandsson, Bertil, et al.
(author)
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Open source programmers' strategies to cope with ideological tensions
- 2009
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In: International Conference on Organizational Learning, Knowledge and Capabilities (OLKC), 26-28 April 2009, Amsterdam, the Netherlands.
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Conference paper (peer-reviewed)abstract
- In this paper we analyse how the increased use of open source software in companies affect employed programmers’ work, which we theorize as part of a larger secularisation process. We have studied both companies based on a more traditional proprietary model who are becoming open source oriented, and SMEs built around open source business concepts. This change results in a need for professional programmers to re-interpret open source within a new business oriented context. We study what kind of strategies programmers develop to cope with these contradictory systems and how it changes work roles and programmers’ approaches towards open source community work.
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| 35. |
- Rudmark, Daniel, et al.
(author)
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Lessons from the Regulation of E-scooters through the MDS Standard: Policy Lessons for Connected Vehicles
- 2023
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In: Proceedings of the 56th Hawaii International Conference on System Sciences. - : IEEE. - 9780998133164
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Conference paper (peer-reviewed)abstract
- Connected vehicles generate new data streams that present promising opportunities for policymakers to monitor and learn from events and behavior. To explore what we can learn from how public entities leverage ubiquitous data streams for policy development and enforcement, we draw on a case study of the standard Mobility Data Specification (MDS) and its use by cities to regulate E-scooter operators. Our findings suggest that (1) the richness of real-time data changes the speed of policy revision, (2) data access enables moving some micro-decisions to the edge, and (3) policy will be formulated as fixed or flexible with different amendment rules.
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| 36. |
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| 37. |
- Volodina, Elena, 1973, et al.
(author)
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A Friend in Need? Research agenda for electronic Second Language infrastructure.
- 2016
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In: Proceedings of the Swedish Language Technology Conference. - Umeå : Umeå Universitet.
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Conference paper (other academic/artistic)abstract
- In this article, we describe the research and societal needs as well as ongoing efforts to shape Swedish as a Second Language (L2) infrastructure. Our aim is to develop an electronic research infrastructure that would stimulate empiric research into learners’ language development by preparing data and developing language technology methods and algorithms that can successfully deal with deviations in the learner language.
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| 38. |
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| 39. |
- Smit, Warren, et al.
(author)
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The challenge of conflicting rationalities about urban development: Experiences from Mistra Urban Futures’ transdisciplinary urban research
- 2019
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In: Trialog 2019 Conference: “Whose knowledge counts? The meaning of co-productive processes for urban development and urban research”, Institute of Urban Planning and Design (Städtebau Institut) at the University of Stuttgart, 7–9 November 2019, Stuttgart, Germany.
-
Conference paper (peer-reviewed)abstract
- This paper reflects on ten years of transdisciplinary urban research by Mistra Urban Futures. Mistra Urban Futures was established in 2010 as a global centre focusing on the co-production of knowledge for more just and sustainable cities. The core partners in Mistra Urban Futures are from four countries (Sweden, the United Kingdom, Kenya and South Africa), and the centre also works in two other countries (India and Argentina). In addition to undertaking local knowledge co-production work in each partner city, Mistra Urban Futures has also linked up local work into international transdisciplinary projects. The paper focuses on one of the key challenges that Mistra Urban Futures has faced in its work: in addition to the competing interests and agendas of participants in co-production processes, there are also often deeper underlying conflicting (or diverging) rationalities about urban development. Many of the key concepts and substantive issues relating to making cities more just and sustainable are highly contested. Within cities, people and organisations from different sectors and different disciplines often have very different understandings of what the problems and solutions are, driven by ideological, educational, contextual and personal factors. These differences can be even more polarised between different cities and countries, for example between cities in the global North and global South and between cities in countries with different political cultures. For example, there can be deep divisions about the fundamental nature of the problem (poverty, inequity, lack of economic growth, lack of political empowerment, unsustainability, lack of government capacity, etc.) and the ultimate goals and objectives of urban development interventions (such as equity, economic growth, maintaining the status quo or radical change). In addition, concepts such as such as “fairness”, “justice” and “resilience”, and substantive issues such as “public transport”, “sustainable urban food systems” and “tackling climate change”, can mean very different things to different people and in different places. This paper explores these challenges and reflects on the various approaches adopted by Mistra Urban Futures to facilitate the understanding of these differences and identify commonalities and overlaps of interest. For example, most of the Mistra Urban Futures projects had initial phases to identify and understand the different views of participants in order to be able to identify common ground for collaboration. In some cases, the different terminologies and concepts used by people from different sectors or disciplines required developing a common conceptual vocabulary during this initial phase. In one particular project in Cape Town, the research method included the mapping of the different rationalities of key stakeholders as a basis for identifying opportunities for further collaboration. Having a diversity of rationalities and approaches often stimulates creativity, resulting in the development of innovative methodologies, policies and practices. Ultimately, understanding and engaging with the different rationalities of participants in co-production processes is essential for different actors to successfully work together to co-produce and operationalise knowledge for more just and sustainable cities.
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| 40. |
- Bartoszek, Krzysztof, 1984-, et al.
(author)
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Influenza differentiation and evolution
- 2010
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In: Acta Physica Polonica B Proceedings Supplement. ; 3:2, s. 417-452
-
Conference paper (peer-reviewed)abstract
- The aim of the study is to do a very wide analysis of HA, NA and M influenza gene segments to find short nucleotide regions,which differentiate between strains (i.e. H1, H2, ... e.t.c.), hosts, geographic regions, time when sequence was found and combination of time and region using a simple methodology. Finding regions differentiating between strains has as its goal the construction of a Luminex microarray which will allow quick and efficient strain recognition. Discovery for the other splitting factors could shed lighton structures significant for host specificity and on the history of influenza evolution. A large number of places in the HA, NA and M gene segments were found that can differentiate between hosts, regions, time and combination of time and region. Also very good differentiation between different Hx strains can be seen.We link one of our findings to a proposed stochastic model of creation of viral phylogenetic trees.
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