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检索条件"任意字段=2017 ACM Conference on Computer Supported Cooperative Work and Social Computing, CSCW 2017"

共 480 条记录，以下是421-430 订阅

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Sounds of silence: Exploring contributions to conversations, non-responses and the impact of mediating technologies in triple space 14

Sounds of silence: Exploring contributions to conversations,...

引用

17th acm conference on computer supported cooperative work and social computing, cscw 2014

作者： Lee, Joon-Suk Tatar, Deborah Virginia State University Dept. of Computer Science P.O. Box 9068 Petersburg VA 23806 United States Virginia Tech Dept. of Computer Science MC 0106 2202 Kraft Dr Blacksburg VA 24060 United States

ISBN: (纸本)9781450325400

We investigate collocated triads as they play a collaborative, problem-solving game using distributed technology on laptops. We examine how different triads attain and maintain mutual understanding in triple-space-when working on a hard problem, with communicating technologies and face-toface interaction. We present qualitative and quantitative evidence that demonstrates the descriptive adequacy of a model of triadic interaction in triple space. We use that model to argue that the notion of good-enoughness is not a group attribute, but rather tied to each dyadic pair. This intellectual framework allows us to examine how non-response operates within these triple-space interactions when interaction is supported by different media. The results related to non-response raise the possibility that different media may result in subtle influence on the balance of participant goals. Copyright © 2014 acm.

关键词： Problem solving

来源：评论

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Reviewing versus doing: Learning and performance in crowd assessment 14

Reviewing versus doing: Learning and performance in crowd as...

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17th acm conference on computer supported cooperative work and social computing, cscw 2014

作者： Zhu, Haiyi Dow, Steven P. Kraut, Robert E. Kittur, Aniket Human Computer Interaction Institute Carnegie Mellon University United States

ISBN: (纸本)9781450325400

In modern crowdsourcing markets, requesters face the challenge of training and managing large transient workforces. Requesters can hire peer workers to review others' work, but the value may be marginal, especially if the reviewers lack requisite knowledge. Our research explores if and how workers learn and improve their performance in a task domain by serving as peer reviewers. Further, we investigate whether peer reviewing may be more effective in teams where the reviewers can reach consensus through discussion. An online between-subjects experiment compares the tradeoffs of reviewing versus producing work using three different organization strategies: working individually, working as an interactive team, and aggregating individuals into nominal groups. The results show that workers who review others' work perform better on subsequent tasks than workers who just produce. We also find that interactive reviewer teams outperform individual reviewers on all quality measures. However, aggregating individual reviewers into nominal groups produces better quality assessments than interactive teams, except in task domains where discussion helps overcome individual misconceptions. Copyright © 2014 acm.

关键词： Crowdsourcing

来源：评论

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Exhaustive search of puzzles in operational transformation 14

Exhaustive search of puzzles in operational transformation

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17th acm conference on computer supported cooperative work and social computing, cscw 2014

作者： Sun, Chengzheng Xu, Yi Agustina, A. School of Computer Engineering Nanyang Technological University Singapore

ISBN: (纸本)9781450325400

Operational Transformation (OT) is a collaboration-enabling technology and increasingly adopted in a wide range of realworld applications. One long-lasting issue in OT research is detecting and resolving puzzles - subtle and characteristic collaborative editing scenarios in which an OT system may fail. After many years of extensive search and research, a variety of intricate puzzles have been detected and resolved. However, it remains open whether all puzzles, under certain well-defined conditions, have been discovered. To address this issue, we set out to devise a system of verification frameworks and a software tool, that are independent of specific OT algorithms and able to exhaustively cover all possible transformation cases in which puzzles (if any) will manifest themselves. With the support of these tools, we verified OT correctness and concluded: all puzzles, under basic data and operation models and established transformation properties, have been discovered and resolved. Our discoveries help resolve a number of long-standing mysteries surrounding OT correctness and contribute to the advancement of OT fundamental knowledge and technology. Copyright © 2014 acm.

关键词： Metadata

来源：评论

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GEMS: The design and evaluation of a location-based storytelling game 14

GEMS: The design and evaluation of a location-based storytel...

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17th acm conference on computer supported cooperative work and social computing, cscw 2014

作者： Procyk, Jason Neustaedter, Carman School of Interactive Arts and Technology Simon Fraser University 250 - 13450 102nd Avenue Surrey BC V3T 0A3 Canada

ISBN: (纸本)9781450325400

It is now possible to capture geotagged photos and videos and share them with family and friends. Yet the reality is that applications for capturing and viewing this information are not particularly rich offering little more than maps and simple textual information about a location. Given this, we wanted to explore this design space to find new and exciting ways for people to document and share their experiences. We designed a location-based game called GEMS to support storytelling amongst family members and close friends. The game narrative and mechanics prompt players to reflect on meaningful places from their past and create geolocated digital memory. Other players can then visit the locations to collect and view the records. A user study revealed that location can provide a rich foundation for storytelling activities. We learned that location-based storytelling strategies often elicit a sense of discovery through exploration, sharing, and conscious reflection. Copyright © 2014 acm.

关键词： Human computer interaction

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Building loyalty to online communities through bond and identity-based attachment to sub-groups 14

Building loyalty to online communities through bond and iden...

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17th acm conference on computer supported cooperative work and social computing, cscw 2014

作者： Tausczik, Yla R. Dabbish, Laura A. Kraut, Robert E. Human-Computer Interaction Institute Carnegie Mellon University United States

ISBN: (纸本)9781450325400

Researchers and theorists have proposed that feelings of attachment to subgroups within a larger online community or site can increase users' loyalty to the site. They have identified two types of attachment, with distinct causes and consequences. With bond-based attachment, people feel connections to other group members, while with identitybased attachment they feel connections to the group as a whole. In two experiments we show that these feelings of attachment to subgroups increase loyalty to the larger community. Communication with other people in a subgroup but not simple awareness of them increases attachment to the larger community. By varying how the communication is structured, between dyads or with all group members simultaneously, the experiments show that bond- and identity-based attachment have different causes. But the experiments show no evidence that bond and identity attachment have different consequences. We consider both theoretical and methodological reasons why the consequences of bond-based and identity-based attachment are so similar. Copyright © 2014 acm.

关键词： social networking (online)

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TalkBetter: Family-driven mobile intervention care for children with language delay 14

TalkBetter: Family-driven mobile intervention care for child...

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17th acm conference on computer supported cooperative work and social computing, cscw 2014

作者： Hwang, Inseok Yoo, Chungkuk Hwang, Chanyou Yim, Dongsun Lee, Youngki Min, Chulhong Kim, John Song, Junehwa Center for Mobile Software Platform KAIST Daejeon 305-701 Korea Republic of Dept. of Computer Science KAIST Daejeon 305-701 Korea Republic of Dept. of Language Pathology Ewha Womans University Seoul 120-750 Korea Republic of School of Information Systems Singapore Management University Singapore 188065 Singapore

ISBN: (纸本)9781450325400

Language delay is a developmental problem of children who do not acquire language as expected for their chronological ages. Without timely intervention, language delay can act as a lifelong risk factor. Speech-language pathologists highlight that effective parent participation in everyday parent-child conversation is important to treat children's language delay. For effective roles, however, parents need to alter their own lifelong-established conversation habits, requiring extensive period of conscious effort and staying alert. In this paper, we present new opportunities for mobile and social computing to reinforce everyday parent-child conversation with therapeutic implications for children with language delays. Specifically, we propose TalkBetter, a mobile in-situ intervention service to help parents in daily parent-child conversation through real-time meta-linguistic analysis of ongoing conversations. Through extensive field studies with speech-language pathologists and parents, we report the multilateral motivations and implications of TalkBetter. We present our development of TalkBetter prototype and report its performance evaluation. Copyright © 2014 acm.

关键词： Linguistics

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Quick and Dirty: Streamlined 3D Scanning in Archaeology 14

Quick and Dirty: Streamlined 3D Scanning in Archaeology

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17th acm conference on computer supported cooperative work and social computing, cscw 2014

作者： Knibbe, Jarrod O'Hara, Kenton P. Chrysanthi, Angeliki Marshall, Mark T. Bennett, Peter D. Earl, Graeme Izadi, Shahram Fraser, Mike Interaction and Graphics Group Department of Computer Science University of Bristol United Kingdom Archaeological Computing Research Group University of Southampton United Kingdom Microsoft Research Cambridge United Kingdom

ISBN: (纸本)9781450325400

Capturing data is a key part of archaeological practice, whether for preserving records or to aid interpretation. But the technologies used are complex and expensive, resulting in time-consuming processes associated with their use. These processes force a separation between ongoing interpretive work and capture. Through two field studies we elicit more detail as to what is important about this interpretive work and what might be gained through a closer integration of capture technology with these practices. Drawing on these insights, we go on to present a novel, portable, wireless 3D modeling system that emphasizes 'quick and dirty' capture. We discuss its design rational in relation to our field observations and evaluate this rationale further by giving the system to archaeological experts to explore in a variety of settings. While our device compromises on the resolution of traditional 3D scanners, its support of interpretation through emphasis on real-time capture, review and manipulability suggests it could be a valuable tool for the future of archaeology. Copyright © 2014 acm.

关键词： History

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Sharing, re-use and circulation of resources in cooperative scientific work 14

Sharing, re-use and circulation of resources in cooperative ...

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17th acm conference on computer supported cooperative work and social computing, cscw 2014

作者： Velden, Theresa Bietz, Matthew J. Diamant, E. Ilana Herbsleb, James D. Howison, James Ribes, David Steinhardt, Stephanie B. School of Information University of Michigan 105 S State Street Ann Arbor MI 48109 United States Department of Informatics University of California Irvine Donald Bren Hall 5042 Irvine CA 92697-3440 United States 317 Sieg Hall United States School of Computer Science Carnegie Mellon University 5000 Forbes Avenue Pittsburgh PA 15213 United States School of Information University of Texas at Austin Austin TX 78701-1213 United States Georgetown University 3520 Prospect St. NW Washington DC 20057 United States Department of Communication Cornell University Ithaca NY 14850 United States

ISBN: (纸本)9781450325417

This one-day workshop aims to stimulate research on the sharing and reuse of scientific resources in cooperative scientific work. As science trends toward increasing geographic and temporal scales, larger collaborations, and greater interdisciplinarity, scientific resources increasingly need to be more mobile and integrated with computer supported information and communication environments. Sharing, reuse and circulation of resources become a central challenge and critical component of cooperative scientific work. We interpret sharing broadly to include circulating scientific materials in any way that makes them available to other scientists. We include a variety of resources such as data, software, materials and specimens, workflows, technical know-how, clinical and laboratory protocols, and algorithms. We explore a range of sharing and reuse practices past and present, what motivates and limits them, how sharing can be done more effectively, what tools and techniques facilitate or constrain it, and how this relates to systems and science policy.

关键词： Groupware

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Should your mooc forum use a reputation system? 14

Should your mooc forum use a reputation system?

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17th acm conference on computer supported cooperative work and social computing, cscw 2014

作者： Coetzee, Derrick Fox, Armando Hearst, Marti A. Hartmann, Björn Computer Science Division and School of Information University of California Berkeley CA 94720 United States

ISBN: (纸本)9781450325400

Massive open online courses (MOOCs) rely primarily on discussion forums for interaction among students. We investigate how forum design affects student activity and learning outcomes through a field experiment with 1101 participants on the edX platform. We introduce a reputation system, which gives students points for making useful posts. We show that, as in other settings, use of forums in MOOCs is correlated with better grades and higher retention. Reputation systems additionally produce faster response times and larger numbers of responses per post, as well as differences in how students ask questions. However, reputation systems have no significant impact on grades, retention, or the students' subjective sense of community. This suggests that forums are essential for MOOCs, and reputation systems can improve the forum experience, but other techniques are needed to improve student outcomes and community formation. We also give a set of guidelines for running field experiments on MOOCs. Copyright © 2014 acm.

关键词： Students

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Teammate inaccuracy blindness: When information sharing tools hinder collaborative analysis 14

Teammate inaccuracy blindness: When information sharing tool...

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17th acm conference on computer supported cooperative work and social computing, cscw 2014

作者： Kang, Ruogu Kane, Aimée A. Kiesler, Sara Human Computer Interaction Institute Carnegie Mellon University 5000 Forbes Ave. Pittsburgh PA 15213 United States Palumbo-Donahue School of Business Duquesne University 600 Forbes Avenue Pittsburgh PA 15282 United States

ISBN: (纸本)9781450325400

Asynchronous collaborative analysis is important in many fields, but information sharing can be a bottleneck. Tools for annotating, organizing, and summarizing information can help, but their value will likely depend on the accuracy of teammates' information. To document this claim, two experiments examined participants' performance on a complex detective task when they asynchronously received information from a teammate in a collaboration tool or received no such information. We found that receiving a progress report containing accurate information was associated with improved performance (vs. no information shared in a tool) but worse performance when the information was inaccurate. Teammates were evaluated as helpful even when they were not. Our findings point to a phenomenon of teammate inaccuracy blindness that arises when teammates provide inaccurate information. We propose some strategies for helping collaborators avoid or lessen this effect. Copyright © 2014 acm.

关键词： Problem solving

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