Number of co-authors:13
Number of publications with 3 favourite co-authors:Daniel M. Coffman:Jeff Rickel:Olle Balter:
Candace Sidner's 3 most productive colleagues in number of publications:Steve Whittaker:67Trevor Darrell:38Louis-Philippe Mor..:26
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"Candace L. Sidner"
Publications by Candace Sidner (bibliography)
Sidner, Candace and Lee, Christopher (2005): Robots as laboratory hosts. In Interactions, 12 (2) pp. 24-26.
Morency, Louis-Philippe, Sidner, Candace, Lee, Christopher and Darrell, Trevor (2005): Contextual recognition of head gestures. In: Proceedings of the 2005 International Conference on Multimodal Interfaces 2005. pp. 18-24. Available online
Head pose and gesture offer several key conversational grounding cues and are used extensively in face-to-face interaction among people. We investigate how dialog context from an embodied conversational agent (ECA) can improve visual recognition of user gestures. We present a recognition framework which (1) extracts contextual features from an ECA's dialog manager, (2) computes a prediction of head nod and head shakes, and (3) integrates the contextual predictions with the visual observation of a vision-based head gesture recognizer. We found a subset of lexical, punctuation and timing features that are easily available in most ECA architectures and can be used to learn how to predict user feedback. Using a discriminative approach to contextual prediction and multi-modal integration, we were able to improve the performance of head gesture detection even when the topic of the test set was significantly different than the training set.
© All rights reserved Morency et al. and/or their publisher
Sidner, Candace, Kidd, Cory D., Lee, Christopher and Lesh, Neal (2004): Where to look: a study of human-robot engagement. In: Nunes, Nuno Jardim and Rich, Charles (eds.) International Conference on Intelligent User Interfaces 2004 January 13-16, 2004, Funchal, Madeira, Portugal. pp. 78-84. Available online
This paper reports on a study of human subjects with a robot designed to mimic human conversational gaze behavior in collaborative conversation. The robot and the human subject together performed a demonstration of an invention created at our laboratory; the demonstration lasted 3 to 3.5 minutes. We briefly discuss the robot architecture and then focus the paper on a study of the effects of the robot operating in two different conditions. We offer some conclusions based on the study about the importance of engagement for 3D IUIs. We will present video clips of the subject interactions with the robot at the conference.
© All rights reserved Sidner et al. and/or ACM Press
Sidner, Candace and Dzikovska, Myroslava (2002): Hosting activities: experience with and future directions for a robot agent host. In: Gil, Yolanda and Leake, David (eds.) International Conference on Intelligent User Interfaces 2002 January 13-16, 2002, San Francisco, California, USA. pp. 143-150. Available online
This paper discusses hosting activities. Hosting activities are a general class of collaborative activity in which an agent provides guidance in the form of information, entertainment, education or other services in the user's environment (which may be an artificial or the natural world) and may also request that the human user undertake actions to support the fulfillment of those services. This paper reports on experience in building a robot agent for hosting activities, both the architecture and applications being used. The paper then turns to a range of issues to be addressed in creating hosting agents, especially robotic ones. The issues include the tasks and capabilities needed for hosting agents, and social relations, especially human trust of agent hosts. Lastly the paper proposes a new evaluation metric for hosting agents.
© All rights reserved Sidner and Dzikovska and/or ACM Press
Balter, Olle and Sidner, Candace (2002): Bifrost inbox organizer: giving users control over the inbox. In: Proceedings of the Second Nordic Conference on Human-Computer Interaction October 19-23, 2002, Aarhus, Denmark. pp. 111-118. Available online
Many email users, especially managers, receive too many email messages to read in the time available to them. The solutions available today often require programming skills on the part of the user to define rules for prioritizing messages or moving messages to folders. We propose a different approach: categorize messages in the inbox with predefined rules that do not require maintenance and are scalable to handle anything from 50 to thousands of messages.
© All rights reserved Balter and Sidner and/or ACM Press
Davies, Jim R., Gertner, Abigail S., Lesh, Neal, Rich, Charles, Sidner, Candace and Rickel, Jeff (2001): Incorporating Tutorial Strategies Into an Intelligent Assistant. In: International Conference on Intelligent User Interfaces 2001 January 14-17, 2001, Sanata Fe, New Mexico, USA. pp. 53-56. Available online
Computer tutors and intelligent software assistants have traditionally been thought of as different kinds of systems. However tutors and assistants share many properties. We have incorporated tutorial strategies into an intelligent assistant based on the COLLAGEN architecture. We are working on an agent, named Triton, which teaches and helps users with the graphical user interface of an air travel planning system. We found that the collaborative model underlying COLLAGEN is an excellent foundation for both an assistant and a tutor, and that both modes of interaction can be implemented in the same system with different parameter settings.
© All rights reserved Davies et al. and/or ACM Press
Sidner, Candace and Coffman, Daniel M. (1999): Collaborative, Spoken-Language Interface Agents. In: Maybury, Mark T. (ed.) International Conference on Intelligent User Interfaces 1999 January 5-8, 1999, Redondo Beach, California, USA. p. 97. Available online
First, the day of the GUI is drawing to a close. Second, many visionaries have argued that the new user interface will be a direct and delegate interface. But that's wrong. The coming interface is one in which the user collaborates with the computer. The computer understands what the user is doing, can take part in those activities and is able to respond conversationally to the user's activities. This requires an interface that not only understands the user's individual utterances but also can participate in a conversation. Because conversations are fundamentally about the purposes for which people participate in the conversation, this new interface will also require that the machine understand and model purposes behind conversation. During this talk we will demonstrate new interfaces, some with speech, that participate with users in collaborations about doing email. We will use these demonstrations to illustrate how conversation and tasks can play a role in user interfaces. We will also demonstrate instances where spoken conversational interaction is more efficient than GUI interaction.
© All rights reserved Sidner and Coffman and/or ACM Press
Rich, Charles and Sidner, Candace (1997): Segmented Interaction History in a Collaborative Interface Agent. In: Moore, Johanna D., Edmonds, Ernest and Puerta, Angel R. (eds.) International Conference on Intelligent User Interfaces 1997 January 6-9, 1997, Orlando, Florida, USA. pp. 23-30. Available online
We have developed an application-independent toolkit, called Collagen, based on the SharedPlan theory of collaborative discourse, in which interaction histories are hierarchically structured according to a user's goals and intentions. We have used Collagen to implement an example collaborative interface agent with discourse processing, but not natural language understanding. In this paper, we concentrate on how a segmented interaction history supports user orientation, intelligent assistance, and transformations, such as returning to earlier points in the problem solving process and replaying segments in a new context.
© All rights reserved Rich and Sidner and/or ACM Press
Whittaker, Steve and Sidner, Candace (1996): Email Overload: Exploring Personal Information Management of Email. In: Tauber, Michael J., Bellotti, Victoria, Jeffries, Robin, Mackinlay, Jock D. and Nielsen, Jakob (eds.) Proceedings of the ACM CHI 96 Human Factors in Computing Systems Conference April 14-18, 1996, Vancouver, Canada. pp. 276-283. Available online
Email is one of the most successful computer applications yet devised. Our empirical data show however, that although email was originally designed as a communications application, it is now being used for additional functions, that it was not designed for, such as task management and personal archiving. We call this email overload. We demonstrate that email overload creates problems for personal information management: users often have cluttered inboxes containing hundreds of messages, including outstanding tasks, partially read documents and conversational threads. Furthermore, user attempts to rationalise their inboxes by filing are often unsuccessful, with the consequence that important messages get overlooked, or "lost" in archives. We explain how email overloading arises and propose technical solutions to the problem.
© All rights reserved Whittaker and Sidner and/or ACM Press
Rich, Charles and Sidner, Candace (1996): Adding a Collaborative Agent to Graphical User Interfaces. In: Kurlander, David, Brown, Marc and Rao, Ramana (eds.) Proceedings of the 9th annual ACM symposium on User interface software and technology November 06 - 08, 1996, Seattle, Washington, United States. pp. 21-30. Available online
We have implemented a collaborative agent toolkit called Collagen and used it to build a software agent that collaborates with the user of a direct-manipulation graphical interface by following the rules and conventions of human discourse. One of the main results is an interaction history that is segmented according to the structure of the agent's and user's goals, without requiring the agent to understand natural language.
© All rights reserved Rich and Sidner and/or ACM Press
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