Direct manipulation vs. interface agents
interactions
A flexible platform for building applications with life-like characters
Proceedings of the 8th international conference on Intelligent user interfaces
More than the sum of its members: challenges for group recommender systems
Proceedings of the working conference on Advanced visual interfaces
More than the sum of its members: challenges for group recommender systems
Proceedings of the working conference on Advanced visual interfaces
The adaptive web
Recommendation and decision technologies for requirements engineering
Proceedings of the 2nd International Workshop on Recommendation Systems for Software Engineering
On the design of individual and group recommender systems for tourism
Expert Systems with Applications: An International Journal
Interface and interaction design for group and social recommender systems
Proceedings of the fifth ACM conference on Recommender systems
Preference elicitation techniques for group recommender systems
Information Sciences: an International Journal
Group decision support for requirements negotiation
UMAP'11 Proceedings of the 19th international conference on Advances in User Modeling
Generating recommendations for consensus negotiation in group personalization services
Personal and Ubiquitous Computing
A negotiation framework for heterogeneous group recommendation
Expert Systems with Applications: An International Journal
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We present a group recommender system for vacations that helps group members who are not able to communicate synchronously to specify their preferences collaboratively and to arrive at an agreement about an overall solution. The system's design includes two innovations in visual user interfaces: 1. An interface for collaborative preference specification offers various ways in which one group member can view and perhaps copy the previously specified preferences of other users. This interface has been found to further mutual understanding and agreement. The same interface is used by the system to display recommended solutions and to visualize the extent to which a solution satisfies the preferences of the various group members. 2. In a novel application of animated characters, each character serves as a representative of a group member who is not currently available for communication. By responding with speech, facial expressions, and gesture to proposed solutions, a representative conveys to the current real user some key aspects of the corresponding real group member's responses to a proposed solution. Taken together, these two aspects of the interface provide complementary and partly redundant means by which a group member can achieve awareness of the preferences and responses of other group members: an abstract, complete, graphical representation and a concrete, selective, human-like representation. By allowing users to choose flexibly which representation they will attend to under what circumstances, we aim to move beyond the usual debates about the relative merits of these two general types of representation.