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Conversational Structured Hybrid 3D Virtual Environments

AuthorsAlmajano, Pablo; Mayas, Enric; Rodríguez, Inmaculada ; López-Sánchez, Maite
KeywordsUser interfaces
Electronic institution
Information interfaces and presentation
Issue Date10-Sep-2014
PublisherAssociation for Computing Machinery
CitationInteracción '14 Proceedings of the XV International Conference on Human Computer Interaction Article No. 63
AbstractStructured 3D Virtual Environments are 3D virtual spaces where some users' interactions are regulated by a subjacent Organisation Centered Multi Agent System (OCMAS) ---an Electronic Institution (EI). They are task-oriented hybrid systems, where staff (organisational) software agents support --based on activities' specification and current EI state--human users in their task achievement. The contribution of this paper is a conversational task-oriented structured 3D environment, where users interact with staff bots (i.e. the embodiment of staff agents) using natural language and, as a result, the communication is improved. With this aim, we extend the Artificial Intelligence Mark-up Language (AIML) with special tags to enable the complex flow of task-oriented conversations. They are characterised by different conversation' states --such as asked, responded, failed or confirmed--and by data types from the EI ontology. We evaluate the usability of our conversational proposal and compare it to a previous command-based interaction system. As expected, data analysis on users' skills --command-based novice vs expert profile-- suggests the co-existence both conversational and command-based user-agent interaction styles. But overall, results show a higher users' satisfaction with the conversational approach which, in average, also performs better in terms of efficiency, effectiveness and errors.
Identifiersdoi: 10.1145/2662253.2662316
isbn: 978-1-4503-2880-7
Appears in Collections:(IIIA) Comunicaciones congresos
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