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1.
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2.
  • Osvalder, Anna-Lisa, 1961-, et al. (författare)
  • Considering the importance of user profiles in interface design
  • 2009
  • Ingår i: User Interfaces. - 978-953-7619 ; s. 23
  • Bokkapitel (övrigt vetenskapligt)abstract
    • User profile is a popular term widely employed during product design processes by industrial companies. Such a profile is normally intended to represent real users of a product. The ultimate purpose of a user profile is actually to help designers to recognize or learn about the real user by presenting them with a description of a real user’s attributes, for instance; the user’s gender, age, educational level, attitude, technical needs and skill level. The aim of this chapter is to provide information on the current knowledge and research about user profile issues, as well as to emphasize the importance of considering these issues in interface design. In this chapter, we mainly focus on how users’ difference in expertise affects their performance or activity in various interaction contexts. Considering the complex interaction situations in practice, novice and expert users’ interactions with medical user interfaces of different technical complexity will be analyzed as examples: one focuses on novice and expert users’ difference when interacting with simple medical interfaces, and the other focuses on differences when interacting with complex medical interfaces. Four issues will be analyzed and discussed: (1) how novice and expert users differ in terms of performance during the interaction; (2) how novice and expert users differ in the perspective of cognitive mental models during the interaction; (3) how novice and expert users should be defined in practice; and (4) what are the main differences between novice and expert users’ implications for interface design. Besides describing the effect of users’ expertise difference during the interface design process, we will also pinpoint some potential problems for the research on interface design, as well as some future challenges that academic researchers and industrial engineers should face in practice.
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3.
  • Amundin, Mats, et al. (författare)
  • A proposal to use distributional models to analyse dolphin vocalisation
  • 2017
  • Ingår i: Proceedings of the 1st International Workshop on Vocal Interactivity in-and-between Humans, Animals and Robots, VIHAR 2017. - 978-2-9562029-0-5 ; s. 31-32
  • Konferensbidrag (refereegranskat)abstract
    • <p>This paper gives a brief introduction to the starting points of an experimental project to study dolphin communicative behaviour using distributional semantics, with methods implemented for the large scale study of human language.</p>
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4.
  • Schötz, Susanne, et al. (författare)
  • Phonetic Characteristics of Domestic Cat Vocalisations
  • 2017
  • Ingår i: Melody in Human--Cat Communication (Meowsic).
  • Konferensbidrag (refereegranskat)abstract
    • <p>The cat (Felis catus, Linneaus 1758) has lived around or with humans for at least 10,000 years, and is now one of the most popular pets of the world with more than 600 millionindividuals. Domestic cats have developed a more extensive, variable and complex vocal repertoire than most other members of the Carnivora, which may be explained by their social organisation, their nocturnal activity and the long period of association between mother and young. Still, we know surprisingly little about the phonetic characteristics of these sounds, and about the interaction between cats and humans.</p><p>Members of the research project Melody in human–cat communication (Meowsic) investigate the prosodic characteristics of cat vocalisations as well as the communication between human and cat. The first step includes a categorisation of cat vocalisations. In the next step it will be investigated how humans perceive the vocal signals of domestic cats. This paper presents an outline of the project which has only recently started.</p>
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5.
  • Fredenberg, Erik, 1979- (författare)
  • Spectral Mammography with X-Ray Optics and a Photon-Counting Detector
  • 2009
  • Doktorsavhandling (övrigt vetenskapligt)abstract
    • <p>Early detection is vital to successfully treating breast cancer, and mammography screening is the most efficient and wide-spread method to reach this goal. Imaging low-contrast targets, while minimizing the radiation exposure to a large population is, however, a major challenge. Optimizing the image quality per unit radiation dose is therefore essential. In this thesis, two optimization schemes with respect to x-ray photon energy have been investigated: filtering the incident spectrum with refractive x-ray optics (spectral shaping), and utilizing the transmitted spectrum with energy-resolved photon-counting detectors (spectral imaging).</p> <p>Two types of x-ray lenses were experimentally characterized, and modeled using ray tracing, field propagation, and geometrical optics. Spectral shaping reduced dose approximately 20% compared to an absorption-filtered reference system with the same signal-to-noise ratio, scan time, and spatial resolution. In addition, a focusing pre-object collimator based on the same type of optics reduced divergence of the radiation and improved photon economy by about 50%.</p> <p>A photon-counting silicon detector was investigated in terms of energy resolution and its feasibility for spectral imaging. Contrast-enhanced tumor imaging with a system based on the detector was characterized and optimized with a model that took anatomical noise into account. Improvement in an ideal-observer detectability index by a factor of 2 to 8 over that obtained by conventional absorption imaging was found for different levels of anatomical noise and breast density. Increased conspicuity was confirmed by experiment. Further, the model was extended to include imaging of unenhanced lesions. Detectability of microcalcifications increased no more than a few percent, whereas the ability to detect large tumors might improve on the order of 50% despite the low attenuation difference between glandular and cancerous tissue. It is clear that inclusion of anatomical noise and imaging task in spectral optimization may yield completely different results than an analysis based solely on quantum noise.</p>
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6.
  • Buckland, Philip I., 1973-, et al. (författare)
  • The Strategic Environmental Archaeology Database a resource for international, multiproxy and transdisciplinary studies of environmental and climatic change
  • 2015
  • Konferensbidrag (refereegranskat)abstract
    • <p>Climate and environmental change are global challenges which require global data and infrastructure to investigate. These challenges also require a multi-proxy approach, integrating evidence from Quaternary science and archaeology with information from studies on modern ecology and physical processes among other disciplines. The Strategic Environmental Archaeology Database (SEAD http://www.sead.se) is a Swedish based international research e-infrastructure for storing, managing, analysing and disseminating palaeoenvironmental data from an almost unlimited number of analysis methods. The system currently makes available raw data from over 1500 sites (&gt;5300 datasets) and the analysis of Quaternary fossil insects, plant macrofossils, pollen, geochemistry and sediment physical properties, dendrochronology and wood anatomy, ceramic geochemistry and bones, along with numerous dating methods. This capacity will be expanded in the near future to include isotopes, multi-spectral and archaeo-metalurgical data. SEAD also includes expandable climate and environment calibration datasets, a complete bibliography and extensive metadata and services for linking these data to other resources. All data is available as Open Access through http://qsead.sead.se and downloadable software.</p><p> </p><p>SEAD is maintained and managed at the Environmental Archaeology Lab and HUMlab at Umea University, Sweden. Development and data ingestion is progressing in cooperation with The Laboratory for Ceramic Research and the National Laboratory for Wood Anatomy and Dendrochronology at Lund University, Sweden, the Archaeological Research Laboratory, Stockholm University, the Geoarchaeological Laboratory, Swedish National Historical Museums Agency and several international partners and research projects. Current plans include expanding its capacity to serve as a data source for any system and integration with the Swedish National Heritage Board's information systems.</p><p> </p><p>SEAD is partnered with the Neotoma palaeoecology database (http://www.neotomadb.org) and a new initiative for building cyberinfrastructure for transdisciplinary research and visualization of the long-term human ecodynamics of the North Atlantic funded by the National Science Foundation (NSF).</p>
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7.
  • Gerlee, Philip, 1980-, et al. (författare)
  • Scientific Models Red Atoms, White Lies and Black Boxes in a Yellow Book
  • 2016
  • Bok (övrigt vetenskapligt)abstract
    • A zebrafish, the hull of a miniature ship, a mathematical equation and a food chain - what do these things have in common? They are examples of models used by scientists to isolate and study particular aspects of the world around us. This book begins by introducing the concept of a scientific model from an intuitive perspective, drawing parallels to mental models and artistic representations. It then recounts the history of modelling from the 16th century up until the present day. The iterative process of model building is described and discussed in the context of complex models with high predictive accuracy versus simpler models that provide more of a conceptual understanding. To illustrate the diversity of opinions within the scientific community, we also present the results of an interview study, in which ten scientists from different disciplines describe their views on modelling and how models feature in their work. Lastly, it includes a number of worked examples that span different modelling approaches and techniques. It provides a comprehensive introduction to scientific models and shows how models are constructed and used in modern science. It also addresses the approach to, and the culture surrounding modelling in different scientific disciplines. It serves as an inspiration for model building and also facilitates interdisciplinary collaborations by showing how models are used in different scientific fields.The book is aimed primarily at students in the sciences and engineering, as well as students at teacher training colleges but will also appeal to interested readers wanting to get an overview of scientific modelling in general and different modelling approaches in particular.
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8.
  • Degraded and restituted towns in Poland: Origins, development, problems Miasta zdegradowane i restytuowane w Polsce. Geneza, rozwój, problemy
  • 2015
  • Samlingsverk (redaktörskap) (övrigt vetenskapligt)abstract
    • One of the less known problems in settlement geography is the issue of so-called degraded and restituted towns. This lack of reconnaissance, however, is perhaps less the result of the towns’ scarcity than their specificity of being ‘awarded’ or ‘deprived of’ an urban label by means of strictly socio-political actions. Degraded and restituted towns, hence, are spatial units made ‘urban’ or ‘rural’ instantaneously, irrespective of their de facto state along what is widely considered a gradual path of (de)urbanization. Instead, they become compartmentalized into two constructed spatial categories that have survived the onslaught of material transformations and philosophical repositioning through different whims of time. While ‘rural’ and ‘urban’ are conceptual binaries that certainly need to be treated with caution, their cultural salience may cause tangible consequences within national administrative systems that abide by a formalized rural-urban distinction. This issue becomes particularly important for settlements that clearly transcend any imagined rural-urban divide, i.e. those, whose material and immaterial characteristics seem counterfactual to their assigned category. It is also crucial in formal practices designed to avert such counterfactualities, but whose ran-domness of approach more creates confusion than helps straighten out a historical concoction. Both processes, nonetheless, lend ‘urbanity’ and ‘rurality’ a resonance of objectivity, justifying their use as guides for a host of developmental endeavors, despite subverting a much more intricate reality. Degraded and restituted towns are direct derivatives of this. Drawing on the above-mentioned irreconcilabilities, the aim of this book is to present and scrutinize degraded and restituted towns through the example of Poland, where these towns occupy a special niche. For one, Poland, due to its chequered and variegated history, is home to a conspicuously large number of degraded (831) and restituted (236) towns; for another, Poland’s relentlessness of formalizing ‘urbanity’ as a category of statistical, political and cultural guidance has a direct bearing on the lives of the towns’ residents. Realizing the intricacy of degraded and restituted towns in the face of commonplace ru-ral-urban ideations, the editors and the 17 contributing Authors of this book have made an effort to capture the towns’ complexity with special foci on their shrouded origins, developmental specificity and incurred problems. Owing to the involvement of researchers from different scientific disciplines and subdisciplines, the undertaken project has helped elucidate the problem from multiple perspectives: spatial, social, demographic, economic, environmental, historical, architectural, cultural, legal and philosophical. Allocated into 17 chapters, not only have the presented interpretations allowed for a first interdisciplinary synthesis on the topic, but they also helped outline some prospective directions for future research. Moreover, collecting materials of such diversity into an amalgamated whole has helped identify specific discourses that enwrap the concept of “urbanity” when seen through its oscillations within formal contexts, and to which degraded and restituted towns serve as expendable game pieces. By combining knowledge arrived at through ontologically and epistemologically different approaches, the incremental contribution of this book as a whole could be summarized in two attainments: a) extending theoretical frameworks used to study degraded and restituted towns in terms of definition, conceptualization and assessing predispositions for future de-velopment on account of their spatial, legal, socio-economic and historical charac-teristics; b) initiating an anticipated discussion on a number of important and current topics re-lated to the practices of degradation and restitution that have not received adequate attention, e.g., the urbanity-vs.-rurality paradox, the changeability of human settlement forms vs. the consequences of rigid spatial categorizations; the role of various actors in shaping the socio-economic reality under the guise of an ossified binary; or identifying spatio-conceptual conflicts as future challenges for local, regional and national policy.
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9.
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10.
  • Bulletin of Geography. Socio-Economic Series (Volume 40)
  • 2018
  • Ingår i: Bulletin of Geography. Socio-Economic Series (De Gruyter). - 1732-4254 .- 1732-4254. ; 40:40
  • Annan publikation (övrigt vetenskapligt)abstract
    • This 40th anniversary issue of BGSS highlights some of the tenets of the complexity that make sustainability a ‘wicked problem’ through a number of different perspectives, many of which have to date been pushed into the background amidst an otherwise exceptionally rich geographical literature on sustainability. The editorial task included procurement, administration and scientific processing of 12 articles from 25 authors as follows: (1) Mirek Dymitrow, Keith Halfacree – “Sustainability–differently”; (2) Slobodan Arsovski, Michał Kwiatkowski, Aleksandra Lewandowska, Dimitrinka Jordanova Peshevska, Emilija Sofeska, Mirek Dymitrow – “Can urban environmental problems be overcome? The case of Skopje—world’s most polluted city”; (3) Janis Birkeland – “Challenging policy barriers in sustainable urban design”; (4) Elizabeth Dessie – “Applying resilience thinking to ‘ordinary’ cities: A theoretical inquiry”; (5) Madeleine Eriksson, Aina Tollefsen – “The production of the rural landscape and its labour: The development of supply chain capitalism in the Swedish berry industry”; (6) Stina Hansson – “The role of trust in shaping urban planning in local communities: The case of Hammarkullen, Sweden”; (7) Shelley Kotze – “The place of community values within community-based conservation: The case of Driftsands Nature Reserve, Cape Town”; (8) Davide Marino, Luigi Mastronardi, Agostino Giannelli, Vincenzo Giaccio, Giampiero Mazzocchi – “Territorialisation dynamics for Italian farms adhering to Alternative Food Networks”; (9) E. Gunilla Almered Olsson – “Urban food systems as vehicles for sustainability transitions”; (10) George Mark Onyango – “Urban public transport in informal settlements: Experiences from Kisumu City, Kenya”; (11) Christian M. Rogerson – “Informality and migrant entrepreneurs in Cape Town’s inner city”; (12) Marcin Wójcik, Karolina Dmochowska-Dudek, Pamela Jeziorska-Biel, Paulina Tobiasz-Lis – “Understanding strategies for overcoming peripherality: A Polish experience of transition”. The articles have been reviewed by a cadre of 40 reviewers from 34 academic institutions across 14 countries.
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