1,274 research outputs found
Distributed Synchronous Visualization Design: Challenges and Strategies
We reflect on our experiences as designers of COVID-19 data visualizations
working in a distributed synchronous design space during the pandemic. This is
especially relevant as the pandemic posed new challenges to distributed
collaboration amidst civic lockdown measures and an increased dependency on
spatially distributed teamwork across almost all sectors. Working from home
being 'the new normal', we explored potential solutions for collaborating and
prototyping remotely from our own homes using the existing tools at our
disposal. Since members of our cross-disciplinary team had different technical
skills, we used a range of synchronous remote design tools and methods. We
aimed to preserve the richness of co-located collaboration such as face-to-face
physical presence, body gestures, facial expressions, and the making and
sharing of physical artifacts. While meeting over Zoom, we sketched on paper
and used digital collaboration tools, such as Miro and Google Docs. Using an
auto-ethnographic approach, we articulate our challenges and strategies
throughout the process, providing useful insights about synchronous distributed
collaboration.Comment: Final published versio
Collaborative behavior, performance and engagement with visual analytics tasks using mobile devices
Interactive visualizations are external tools that can support users’ exploratory activities. Collaboration can bring benefits to the exploration of visual representations or visu‐ alizations. This research investigates the use of co‐located collaborative visualizations in mobile devices, how users working with two different modes of interaction and view (Shared or Non‐Shared) and how being placed at various position arrangements (Corner‐to‐Corner, Face‐to‐Face, and Side‐by‐Side) affect their knowledge acquisition, engagement level, and learning efficiency. A user study is conducted with 60 partici‐ pants divided into 6 groups (2 modes×3 positions) using a tool that we developed to support the exploration of 3D visual structures in a collaborative manner. Our results show that the shared control and view version in the Side‐by‐Side position is the most favorable and can improve task efficiency. In this paper, we present the results and a set of recommendations that are derived from them
Global Teamwork: A Study of Design Learning in Collaborative Virtual Environments
With the recent developments in communication and information technologies, using Collaborative Virtual Environments (CVEs) in design activity has experienced a remarkable increase. In this paper we present a collaborative learning activity between the University of Sydney (USYD), and the Istanbul Technical University (ITU). This paper shares our teaching experience and discusses the principles of collaborative design learning in virtual environments. Followed by a study on students’ perception on the courses and collaborative learning in both universities, this paper also suggests future refinements on the course structure and the main areas of collaborative design learning.
Keywords:
Collaborative Design; Collaborative Virtual Environments; Design Teaching And Learning</p
Toward Visualization-Specific Heuristic Evaluation
This position paper describes heuristic evaluation as it relates to visualization and visual analytics. We review heuristic evaluation in general, then comment on previous process-based, performance-based, and framework-based efforts to adapt the method to visualization-specific needs. We postulate that the framework-based approach holds the most promise for future progress in development of visualization-specific heuristics, and propose a specific framework as a starting point. We then recommend a method for community involvement and input into the further development of the heuristic framework and more detailed design and evaluation guidelines
Effects of Sensemaking Translucence on Distributed Collaborative Analysis
Collaborative sensemaking requires that analysts share their information and
insights with each other, but this process of sharing runs the risks of
prematurely focusing the investigation on specific suspects. To address this
tension, we propose and test an interface for collaborative crime analysis that
aims to make analysts more aware of their sensemaking processes. We compare our
sensemaking translucence interface to a standard interface without special
sensemaking features in a controlled laboratory study. We found that the
sensemaking translucence interface significantly improved clue finding and
crime solving performance, but that analysts rated the interface lower on
subjective measures than the standard interface. We conclude that designing for
distributed sensemaking requires balancing task performance vs. user experience
and real-time information sharing vs. data accuracy.Comment: ACM SIGCHI CSCW 201
Collaborative geographic visualization
Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de
Lisboa para a obtenção do grau de Mestre em Engenharia do Ambiente, perfil Gestão e
Sistemas AmbientaisThe present document is a revision of essential references to take into account when developing ubiquitous Geographical Information Systems (GIS) with collaborative
visualization purposes.
Its chapters focus, respectively, on general principles of GIS, its multimedia components and ubiquitous practices; geo-referenced information visualization and its graphical components of virtual and augmented reality; collaborative environments, its technological requirements, architectural specificities, and models for collective information management; and some final considerations about the future and challenges of collaborative visualization of GIS in ubiquitous environment
Conceitos e métodos para apoio ao desenvolvimento e avaliação de colaboração remota utilizando realidade aumentada
Remote Collaboration using Augmented Reality (AR) shows great
potential to establish a common ground in physically distributed
scenarios where team-members need to achieve a shared goal.
However, most research efforts in this field have been devoted to
experiment with the enabling technology and propose methods to
support its development. As the field evolves, evaluation and
characterization of the collaborative process become an essential,
but difficult endeavor, to better understand the contributions of AR.
In this thesis, we conducted a critical analysis to identify the main
limitations and opportunities of the field, while situating its maturity
and proposing a roadmap of important research actions. Next, a
human-centered design methodology was adopted, involving
industrial partners to probe how AR could support their needs
during remote maintenance. These outcomes were combined with
literature methods into an AR-prototype and its evaluation was
performed through a user study. From this, it became clear the
necessity to perform a deep reflection in order to better understand
the dimensions that influence and must/should be considered in
Collaborative AR. Hence, a conceptual model and a humancentered
taxonomy were proposed to foster systematization of
perspectives. Based on the model proposed, an evaluation
framework for contextualized data gathering and analysis was
developed, allowing support the design and performance of
distributed evaluations in a more informed and complete manner.
To instantiate this vision, the CAPTURE toolkit was created,
providing an additional perspective based on selected dimensions
of collaboration and pre-defined measurements to obtain “in situ”
data about them, which can be analyzed using an integrated
visualization dashboard. The toolkit successfully supported
evaluations of several team-members during tasks of remote
maintenance mediated by AR. Thus, showing its versatility and
potential in eliciting a comprehensive characterization of the added
value of AR in real-life situations, establishing itself as a generalpurpose
solution, potentially applicable to a wider range of
collaborative scenarios.Colaboração Remota utilizando Realidade Aumentada (RA)
apresenta um enorme potencial para estabelecer um entendimento
comum em cenários onde membros de uma equipa fisicamente
distribuídos precisam de atingir um objetivo comum. No entanto, a
maioria dos esforços de investigação tem-se focado nos aspetos
tecnológicos, em fazer experiências e propor métodos para apoiar
seu desenvolvimento. À medida que a área evolui, a avaliação e
caracterização do processo colaborativo tornam-se um esforço
essencial, mas difícil, para compreender as contribuições da RA.
Nesta dissertação, realizámos uma análise crítica para identificar
as principais limitações e oportunidades da área, ao mesmo tempo
em que situámos a sua maturidade e propomos um mapa com
direções de investigação importantes. De seguida, foi adotada uma
metodologia de Design Centrado no Humano, envolvendo
parceiros industriais de forma a compreender como a RA poderia
responder às suas necessidades em manutenção remota. Estes
resultados foram combinados com métodos da literatura num
protótipo de RA e a sua avaliação foi realizada com um caso de
estudo. Ficou então clara a necessidade de realizar uma reflexão
profunda para melhor compreender as dimensões que influenciam
e devem ser consideradas na RA Colaborativa. Foram então
propostos um modelo conceptual e uma taxonomia centrada no ser
humano para promover a sistematização de perspetivas. Com base
no modelo proposto, foi desenvolvido um framework de avaliação
para recolha e análise de dados contextualizados, permitindo
apoiar o desenho e a realização de avaliações distribuídas de
forma mais informada e completa. Para instanciar esta visão, o
CAPTURE toolkit foi criado, fornecendo uma perspetiva adicional
com base em dimensões de colaboração e medidas predefinidas
para obter dados in situ, que podem ser analisados utilizando o
painel de visualização integrado. O toolkit permitiu avaliar com
sucesso vários colaboradores durante a realização de tarefas de
manutenção remota apoiada por RA, permitindo mostrar a sua
versatilidade e potencial em obter uma caracterização abrangente
do valor acrescentado da RA em situações da vida real. Sendo
assim, estabelece-se como uma solução genérica, potencialmente
aplicável a uma gama diversificada de cenários colaborativos.Programa Doutoral em Engenharia Informátic
How Do Data Science Workers Communicate Intermediate Results?
Data science workers increasingly collaborate on large-scale projects before
communicating insights to a broader audience in the form of visualization.
While prior work has modeled how data science teams, oftentimes with distinct
roles and work processes, communicate knowledge to outside stakeholders, we
have little knowledge of how data science workers communicate intermediately
before delivering the final products. In this work, we contribute a nuanced
description of the intermediate communication process within data science
teams. By analyzing interview data with 8 self-identified data science workers,
we characterized the data science intermediate communication process with four
factors, including the types of audience, communication goals, shared
artifacts, and mode of communication. We also identified overarching challenges
in the current communication process. We also discussed design implications
that might inform better tools that facilitate intermediate communication
within data science teams.Comment: This paper was accepted for presentation as part of the eighth
Symposium on Visualization in Data Science (VDS) at ACM KDD 2022 as well as
IEEE VIS 2022. http://www.visualdatascience.org/2022/index.htm
STEM Education Practical Work in Remote Classrooms: Prospects and Future Directions in the Post-Pandemic Era
Practical work is pivotal for the development of important skills inherent to science, technology, engineering, and mathematics (STEM) education. Through practical work, learners engage in skills that include critical thinking, problem-solving, and inquiry-based learning, which are important outcomes of STEM education. Given the rise in significance of remote learning as reinforced by the COVID-19 pandemic, there is a need to reimagine the facilitation of practical work for learners. This paper uses the preferred reporting items for systematic reviews and meta-analyses (PRISMA) qualitative research design, an interpretive paradigm, and a mix of connectivism and community of inquiry (CoI) frameworks to explore the facilitation of STEM education practical work in remote classrooms. A systematic meta‑analysis of purposively selected papers using the preferred items, techniques of identification, screening, eligibility, and inclusion, and published between 2017 and 2021, was conducted. The following key words were used to conduct a search using Google Scholar: STEM practical work + STEM education in remote classrooms + Practical work in remote classrooms + STEM education in online classrooms + STEM education in virtual classrooms + Virtual practical work + Teaching STEM and COVID-19 + Practical work and COVID-19. Fifty papers were identified, of which fifteen were included in the study. Thematic content analysis techniques were used to analyze the papers. Five strategies to facilitate STEM practical work in remote classrooms were identified and the findings point to the prospects and future directions of practices in facilitating practical work for learners remotely
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