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Dive into the research topics where Jonathan H. Kaplan is active.

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Featured researches published by Jonathan H. Kaplan.


IEEE Internet Computing | 2011

Open Wonderland: An Extensible Virtual World Architecture

Jonathan H. Kaplan; Nicole Yankelovich

Open Wonderland is a toolkit for building 3D virtual worlds. The system architecture, based entirely on open standards, is highly modular and designed with a focus on extensibility. In this article, the authors articulate design goals related to collaboration, extensibility, and federation and describe the Open Wonderland architecture, including the design of the server, the client, the communications layer, and the extensibility mechanisms. They also discuss the trade-offs made in implementing the architecture.


human factors in computing systems | 2007

Porta-person: telepresence for the connected conference room

Nicole Yankelovich; Nigel Simpson; Jonathan H. Kaplan; Joe Provino

This paper describes a telepresence device called Porta-Person. This is the first project in a larger initiative known as the Connected Conference Room, which aims to improve the user experience for remote people connected to meetings taking place in conference rooms. The Porta-Person is designed to enhance a sense of social presence for remote meeting participants. It does this by providing a high-fidelity audio connection and a remotely controlled telepresence display with video or animation.


human factors in computing systems | 2005

Private communications in public meetings

Nicole Yankelovich; Jennifer McGinn; Mike Wessler; Jonathan H. Kaplan; Joe Provino; Harold Fox

Out-of-band communication during audio conferences can improve the effectiveness of distributed meetings. It provides a means for people to privately consult with one another, supports breakout sessions, and allows individuals to resolve problems without interrupting the discussion. Conversely, off-topic chat and poorly timed interruptions can degrade meeting effectiveness. We considered these trade-offs in adding a private text chat capability and a novel, multi-channel voice chat feature to the Meeting Central collaboration suite. In this paper, we explain the motivation behind adding these features and then describe our initial implementation, the usability and field testing we conducted, and the changes that we made as a result of that user research.


conference on computer supported cooperative work | 2006

Improving audio conferencing: are two ears better than one?

Nicole Yankelovich; Jonathan H. Kaplan; Joe Provino; Mike Wessler; Joan Morris DiMicco

In this paper, we describe a range of audio problems that impact the effectiveness of audio conferences and detail the solutions we have devised to address these problems. We conducted an audio quality assessment to determine how differences in quality impact audio clarity, a remote persons experience connecting to a conference room , and social presence. Based on the results of this assessment, we examine the costs and benefits of increasing audio fidelity with respect to the network resources needed to support high-fidelity audio conferencing.


conference on computer supported cooperative work | 2004

Meeting central: making distributed meetings more effective

Nicole Yankelovich; William D. Walker; Patricia Roberts; Mike Wessler; Jonathan H. Kaplan; Joe Provino


Archive | 2006

Network collaboration system with conference waiting room

Nicole Y. Mordecai; Michael Wessler; Jonathan H. Kaplan; Joseph E. Provino; Karl Haberl


Archive | 2008

System and Method of Communicating Between A Virtual World and Real World

Nicole Y. Mordecai; Jonathan H. Kaplan


Archive | 2005

Audio bridge for network conferencing

Joseph E. Provino; Jonathan H. Kaplan


Archive | 2006

Apparatus and method for combining network conferences that are not co-located

Joseph E. Provino; Jonathan H. Kaplan


Archive | 2003

Method and apparatus for specifying properties using regular expression parameterization

Julian Boyfield; Graham Parrington; Jonathan H. Kaplan

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