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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401-410 订阅

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Reconciling rhythms: Plans and temporal alignment in collaborative scientific work 14

Reconciling rhythms: Plans and temporal alignment in collabo...

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

作者： Steinhardt, Stephanie B. Jackson, Steven J. Department of Communication Cornell University United States Information Science Cornell University United States

ISBN: (纸本)9781450325400

Plans and planning assume a central role and challenge of collaborative scientific work, bridging and coordinating often discordant rhythms and events emanating from the organizational, infrastructural, biographical and phenomenal dimensions of collaborative life. Plans align rhythms embedded in local practice with those operating at larger institutional levels, and establish shared temporal baselines around which local choice and action may be calibrated. This paper develops these arguments through ethnographic study of the Ocean Observatories Initiative, a prominent U.S.-based large-scale long-term collaborative research program in the ocean sciences. We emphasize the intersection between rhythms and plans at two crucial moments: formation ('plans-in-the-making'), and enactment ('plans-in-action') across complex fields of practice. Our findings hold important implications for cscw research and practice around scientific and largescale collaborative efforts, and for federal science policies meant to support productive forms of cooperation and discovery. Copyright © 2014 acm.

关键词： Groupware

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City, self, network: Transnational migrants and online identity work

City, self, network: Transnational migrants and online ident...

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

作者： Lingel, Jessa Naaman, Mor Boyd, Danah Microsoft Research 1 Memorial Dr Cambridge MA 02142 United States Cornell Tech 111 8th Ave New York NY 10011 United States

ISBN: (纸本)9781450325400

We use qualitative interviews with 26 transnational migrants in New York City to analyze socio-technical practices related to online identity work. We focus specifically on the use of Facebook, where benefits included keeping in touch with friends and family abroad and documenting everyday urban life. At the same time, many participants also reported experiences of fatigue, socio-cultural tensions and concerns about maintaining a sense of personal privacy. These experiences highlight how transnational practices complicate context collapse, where the geographic dispersal of participants' personal networks renders visible conflicts of "flattened" online networks. Our findings also suggest a kind of technology-enabled codeswitching, where transnational migrants leverage social media to perform identities that alternate between communities, nationalities and geographies. This analysis informs HCI research on transnationalism and technological practices, and helps expose the complexities of online identity work in terms of shifting social and spatial contexts. Copyright © 2014 acm.

关键词： social networking (online)

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Planet hunters and seafloor explorers: Legitimate peripheral participation through practice proxies in online citizen science 14

Planet hunters and seafloor explorers: Legitimate peripheral...

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

作者： Mugar, Gabriel Østerlund, Carsten Hassman, Katie Devries Crowston, Kevin Jackson, Corey Brian Syracuse University School of Information Studies 337 Hinds Hall Syracuse NY 13244 United States National Science Foundation 4201 Wilson Boulevard Room 1125 Arlington VA 22230 United States

ISBN: (纸本)9781450325400

Making visible the process of user participation in online crowdsourced initiatives has been shown to help new users understand the norms of participation [2]. However, in many settings, participants lack full access to others' work. Merging the theory of legitimate peripheral participation [18] with Erickson and Kellogg's theory of social translucence [10, 11, 16] we introduce the concept of practice proxies: traces of user participation in online environments that act as resources to orient newcomers towards the norms of practice. Through a combination of virtual [14] and trace ethnography [12] we explore how new users in two online citizen science projects engage with these traces of practice as a way of compensating for a lack of access to the process of the work itself. Our findings suggest that newcomers seek out practice proxies in the social features of the projects that highlight contextualized and specific characteristics of primary work practice. Copyright © 2014 acm.

关键词： Interactive computer systems

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Collaborative problem solving: A study of mathoverflow 14

Collaborative problem solving: A study of mathoverflow

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

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

ISBN: (纸本)9781450325400

The Internet has the potential to accelerate scientific problem solving by engaging a global pool of contributors. Existing approaches focus on broadcasting problems to many independent solvers. We investigate whether other approaches may be advantageous by examining a community for mathematical problem solving - MathOverflow - in which contributors communicate and collaborate to solve new mathematical "micro-problems" online. We contribute a simple taxonomy of collaborative acts derived from a process-level examination of collaborations and a quantitative analysis relating collaborative acts to solution quality. Our results indicate a diversity of ways in which mathematicians are reaching a solution, including by iteratively advancing a solution. A better understanding of such collaborative strategies can inform the design of tools to support distributed collaboration on complex problems. Copyright © 2014 acm.

关键词： Problem solving

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Collaborative web search in context: A study of tool use in everyday tasks 14

Collaborative web search in context: A study of tool use in ...

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

作者： Kelly, Ryan Payne, Stephen J. Department of Computer Science University of Bath United Kingdom

ISBN: (纸本)9781450325400

Recent research efforts have led to the creation of a number of systems that provide specialised support for collaborative web search. However, the use of these tools has not been studied outside of the laboratory, and as collaborative search becomes increasingly commonplace in everyday life, there is a need to understand whether the support provided by collaborative search systems fits with real-world information seeking practices. In the present study, we deployed two collaborative search tools to pairs of searchers with genuine information needs. We report findings from in-depth interviews conducted after searchers had used their assigned system for an extended period of time. Our findings show how system features were used and appropriated in pursuit of collaboration, throwing light on the way in which collaborative search is conducted in quotidian settings. Theoretical and practical implications of the results are discussed. Copyright © 2014 acm.

关键词： Information retrieval

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Specialization, homophily, and gender in a social curation site: Findings from pinterest 14

Specialization, homophily, and gender in a social curation s...

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

作者： Chang, Shuo Kumar, Vikas Gilbert, Eric Terveen, Loren GroupLens Research Dept. of Computer Science and Engineering University of Minnesota United States School of Interactive Computing Georgia Institute of Technology United States

ISBN: (纸本)9781450325400

Pinterest is a popular social curation site where people collect, organize, and share pictures of items. We studied a fundamental issue for such sites: what patterns of activity attract attention (audience and content reposting)? We organized our studies around two key factors: the extent to which users specialize in particular topics, and homophily among users. We also considered the existence of differences between female and male users. We found: (a) women and men differed in the types of content they collected and the degree to which they specialized;male Pinterest users were not particularly interested in stereotypically male topics;(b) sharing diverse types of content increases your following, but only up to a certain point;(c) homophily drives repinning: people repin content from other users who share their interests;homophily also affects following, but to a lesser extent. Our findings suggest strategies both for users (e.g., strategies to attract an audience) and maintainers (e.g., content recommendation methods) of social curation sites. Copyright © 2014 acm.

关键词： User profile

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Smart face: Enhancing creativity during video conferences using real-time facial deformation 14

Smart face: Enhancing creativity during video conferences us...

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

作者： Nakazato, Naoto Yoshida, Shigeo Sakurai, Sho Narumi, Takuji Tanikawa, Tomohiro Hirose, Michitaka Graduate School of Information Science and Technology University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan

ISBN: (纸本)9781450325400

This study develops a method for improving creativity by changing the facial appearance of people during video conferences. We focus on enhancing creativity during human interactions, especially cooperative work situations such as video conferences. Psychological studies have revealed that the facial appearance of people can affect creativity, i.e., "emotion can affect creativity" and "the appearance of others can affect the emotions." Based on the knowledge, we hypothesized that the media technology which modifies the facial appearance of people appropriately can enhance our creativity during cooperative work. Therefore, we develop a method to affect creativity by changing the facial appearance in real-time, such as facial expressions and facial resemblance. We test the effectiveness of this method by building a system for collaborative video conferences. The user study show that the proposed method could enhance creativity. Copyright © 2014 acm.

关键词： creativity emotion cooperative work facial expression

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social media supporting political deliberation across multiple public spheres: Towards depolarization 14

Social media supporting political deliberation across multip...

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

作者： Semaan, Bryan Robertson, Scott P. Douglas, Sara Maruyama, Misa Information and Computer Sciences Department University of Hawai'i at Manoa Honolulu HI 96822 United States Communication and Information Sciences Program University of Hawai'i at Manoa Honolulu HI 96822 United States

ISBN: (纸本)9781450325400

This paper reports on a qualitative study of social media use for political deliberation by 21 U.S. citizens. In observing people's interactions in the "sprawling public sphere" across multiple social media tools in both political and nonpolitical spaces, we found that social media supported the interactional dimensions of deliberative democracy - the interaction with media and the interaction between people. People used multiple tools through which they: were serendipitously exposed to diverse political information, constructed diverse information feeds, disseminated diverse information, and engaged in respectful and reasoned political discussions with diverse audiences. When people's civic agency was inhibited when using a tool, they often adopted, or switched to, alternative media that could afford what they were trying to achieve. Contrary to the polarization perspective, we find that people were purposefully seeking diverse information and discussants. Some individuals altered their views as a result of the interactions they were having in the online public sphere. Copyright © 2014 acm.

关键词： Spheres

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Hybrid media consumption: How tweeting during atelevised political debate influences the vote decision 14

Hybrid media consumption: How tweeting during atelevised pol...

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

作者： Maruyama, Misa Robertson, Scott P. Douglas, Sara Semaan, Bryan Faucett, Heather Communication and Information Sciences Program United States Information and Computer Sciences Department University of Hawai'i at Manoa Honolulu HI 96822 United States

ISBN: (纸本)9781450325400

An increasing number of people are using microblogs to broadcast their thoughts in real time as they watch televised political events. Microblogging social network sites (SNSs) such as Twitter generate a parallel stream of information and opinion. It is presumed that the additional content enhances the viewing experience, but our experiment explores the validity of this assumption. We studied how tweeting, or passively observing Twitter during a debate, influenced affect, recall and vote decision. For most measures, participants' average feeling and recall toward the candidates did not depend on Twitter activity, but Twitter activity did matter for vote choice. People who actively tweeted changed their voting choice to reflect the majority sentiment on Twitter. Results are discussed in terms of the possibility that active tweeting leads to greater engagement but that it may also make people more susceptible to social influence. Copyright © 2014 acm.

关键词： social networking (online)

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Naturenet: A model for crowdsourcing the design of citizen science systems 14

Naturenet: A model for crowdsourcing the design of citizen s...

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

作者： Maher, Mary Lou Preece, Jenny Yeh, Tom Boston, Carol Grace, Kazjon Pasupuleti, Abhijit Stangl, Abigale Software and Information Sys UNC Charlotte Charlotte NC 28202 United States Information Studies University of Maryland College Park MD 20742 United States Computer Science University of Colorado Boulder CO 80309 United States ATLAS University of Colorado Boulder CO 80309 United States

ISBN: (纸本)9781450325417

NatureNet is citizen science system designed for collecting bio-diversity data in nature park settings. Park visitors are encouraged to participate in the design of the system in addition to collecting bio-diversity data. Our goal is to increase the motivation to participate in citizen science via crowdsourcing: the hypothesis is that when the crowd plays a role in the design and development of the system, they become stakeholders in the project and work to ensure its success. This paper presents a model for crowdsourcing design and citizen science data collection, and the results from early trials with users that illustrate the potential of this approach.

关键词： Biodiversity

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