2 Search Results for "Purchase, Helen"


Document
Crowdsourcing and Human-Centred Experiments (Dagstuhl Seminar 15481)

Authors: Daniel Archambault, Tobias Hoßfeld, and Helen C. Purchase

Published in: Dagstuhl Reports, Volume 5, Issue 11 (2016)


Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 15481 "Evaluation in the Crowd: Crowdsourcing and Human-Centred Experiments". Human-centred empirical evaluations play important roles in the fields of human-computer interaction, visualization, graphics, multimedia, and psychology. The advent of crowdsourcing platforms, such as Amazon Mechanical Turk or Microworkers, has provided a revolutionary methodology to conduct human-centred experiments. Through such platforms, experiments can now collect data from hundreds, even thousands, of participants from a diverse user community over a matter of weeks, greatly increasing the ease with which we can collect data as well as the power and generalizability of experimental results. However, such an experimental platform does not come without its problems: ensuring participant investment in the task, defining experimental controls, and understanding the ethics behind deploying such experiments en-masse. The major interests of the seminar participants were focused in different working groups on (W1) Crowdsourcing Technology, (W2) Crowdsourcing Community, (W3) Crowdsourcing vs. Lab, (W4) Crowdsourcing & Visualization, (W5) Crowdsourcing & Psychology, (W6) Crowdsourcing & QoE Assessment.

Cite as

Daniel Archambault, Tobias Hoßfeld, and Helen C. Purchase. Crowdsourcing and Human-Centred Experiments (Dagstuhl Seminar 15481). In Dagstuhl Reports, Volume 5, Issue 11, pp. 103-126, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2016)


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@Article{archambault_et_al:DagRep.5.11.103,
  author =	{Archambault, Daniel and Ho{\ss}feld, Tobias and Purchase, Helen C.},
  title =	{{Crowdsourcing and Human-Centred Experiments (Dagstuhl Seminar 15481)}},
  pages =	{103--126},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2016},
  volume =	{5},
  number =	{11},
  editor =	{Archambault, Daniel and Ho{\ss}feld, Tobias and Purchase, Helen C.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.5.11.103},
  URN =		{urn:nbn:de:0030-drops-57676},
  doi =		{10.4230/DagRep.5.11.103},
  annote =	{Keywords: Crowdsourcing; Human Computation; Crowdsourcing Design, Mechanisms, Engineering; Practical Experience; Computer Graphics; Applied Perception; HCI; Visualization}
}
Document
Information Visualization - Towards Multivariate Network Visualization (Dagstuhl Seminar 13201)

Authors: Andreas Kerren, Helen Purchase, and Mathew O. Ward

Published in: Dagstuhl Reports, Volume 3, Issue 5 (2013)


Abstract
Information Visualization (InfoVis) focuses on the use of visualization techniques to help people understand and analyze large and complex data sets. The aim of this third Dagstuhl Seminar on Information Visualization was to bring together theoreticians and practitioners from Information Visualization, HCI, and Graph Drawing with a special focus on multivariate network visualization, i.e., on graphs where the nodes and/or edges have additional (multidimensional) attributes. To support discussions related to the visualization of real world data, researchers from selected application areas, especially bioinformatics, social sciences, and software engineering, were also invited. During the seminar, working groups on six different topics were formed and enabled a critical reflection on ongoing research efforts, the state of the field in multivariate network visualization, and key research challenges today. This report documents the program and the outcomes of Dagstuhl Seminar 13201 "Information Visualization -- Towards Multivariate Network Visualization".

Cite as

Andreas Kerren, Helen Purchase, and Mathew O. Ward. Information Visualization - Towards Multivariate Network Visualization (Dagstuhl Seminar 13201). In Dagstuhl Reports, Volume 3, Issue 5, pp. 19-42, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)


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@Article{kerren_et_al:DagRep.3.5.19,
  author =	{Kerren, Andreas and Purchase, Helen and Ward, Mathew O.},
  title =	{{Information Visualization - Towards Multivariate Network Visualization (Dagstuhl Seminar 13201)}},
  pages =	{19--42},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2013},
  volume =	{3},
  number =	{5},
  editor =	{Kerren, Andreas and Purchase, Helen and Ward, Mathew O.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.3.5.19},
  URN =		{urn:nbn:de:0030-drops-41775},
  doi =		{10.4230/DagRep.3.5.19},
  annote =	{Keywords: Information visualization, visualization, network visualization, graph drawing, visual analytics, network analysis, interaction}
}
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