Number of co-authors:10
Number of publications with 3 favourite co-authors:John Doherty:Andreas Girgensohn:Frank M. Shipman III:
Jonathan Helfman's 3 most productive colleagues in number of publications:Elizabeth F. Churc..:58Andreas Girgensohn:46Lynn Wilcox:31
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Publications by Jonathan Helfman (bibliography)
Yamada, Toshiya, Shingu, Jun, Churchill, Elizabeth F., Nelson, Les, Helfman, Jonathan and Murphy, Paul (2004): Who cares?: reflecting who is reading what on distributed community bulletin boards. In: Proceedings of the 2004 ACM Symposium on User Interface Software and Technology 2004. pp. 109-118. Available online
In this paper, we describe the YeTi information sharing system that has been designed to foster community building through informal digital content sharing. The YeTi system is a general information parsing, hosting and distribution infrastructure, with interfaces designed for individual and public content reading. In this paper we describe the YeTi public display interface, with a particular focus on tools we have designed to provide lightweight awareness of others\' interactions with posted content. Our tools augment content with metadata that reflect people\'s reading of content - captured video clips of who\'s reading and interacting with content, tools to allow people to leave explicit freehand annotations about content, and a visualization of the content access history to show when content is interacted with. Results from an initial evaluation are presented and discussed.
© All rights reserved Yamada et al. and/or ACM Press
Churchill, Elizabeth F., Nelson, Les, Denoue, Laurent, Helfman, Jonathan and Murphy, Paul (2004): Sharing multimedia content with interactive public displays: a case study. In: Proceedings of DIS04: Designing Interactive Systems: Processes, Practices, Methods, & Techniques 2004. pp. 7-16. Available online
Plasma Posters are large screen, digital, interactive poster-boards situated in public spaces, designed to facilitate informal content sharing within teams, groups, organizations and communities. While interest in interactive community poster boards has grown recently, few successful examples have been reported. In this paper we describe an ongoing installation of Plasma Posters within our organization, and report qualitative and quantitative data from 20 months of use showing the Posters have become an integral part of information sharing, complementing email and Web-based sharing. Success factors include our design process, the reliability and flexibility of the technology and the social setting of our organization. We briefly describe three external installations of the Plasma Poster Network in public places. We then reflect on content posting as "information staging" and the ways in which the public space itself becomes part of the "interface" to content.
© All rights reserved Churchill et al. and/or ACM Press
Doherty, John, Girgensohn, Andreas, Helfman, Jonathan, III, Frank M. Shipman and Wilcox, Lynn (2003): Detail-on-demand hypervideo. In: Rowe, Lawrence A., Vin, Harrick M., Plagemann, Thomas, Shenoy, Prashant J. and Smith, John R. (eds.) Proceedings of the Eleventh ACM International Conference on Multimedia November 2-8, 2003, Berkeley, CA, USA. pp. 600-601. Available online
Helfman, Jonathan (1994): Similarity Patterns in Language. In: VL 1994 1994. pp. 173-175.
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