Adaptive information presentation for spoken dialogue systems: evaluation with human subjects
ENLG '11 Proceedings of the 13th European Workshop on Natural Language Generation
Two people walk into a bar: dynamic multi-party social interaction with a robot agent
Proceedings of the 14th ACM international conference on Multimodal interaction
Comparing task-based and socially intelligent behaviour in a robot bartender
Proceedings of the 15th ACM on International conference on multimodal interaction
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We describe the design of the newly developed Ghost-in-the-Machine paradigm and present initial results of an experiment addressing the initiation of service interactions at a bar. For developing policies for a robotic bartender, we investigated which sensor modalities were most informative to humans, and which actions they selected as a socially appropriate response. The results showed that participants used two nonverbal cues for their initial response to a new customer. Those were the distance to the bar and whether the customers' torso was directed to the bar. For acknowledging a new customer, the participants typically responded nonverbally by looking and smiling at the customers. All results can be directly transferred into robotic decision policies.