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López-Mencía, Beatriz and Hernández-Trapote, Álvaro and Diaz Pardo de Vera, David and Hernández Gómez, Luis Alfonso and Rodríguez Gancedo, María del Carmen and Relaño Gil, José (2008). Evaluation of ECA Gesture strategies for robust Human-Computer Interaction. "The International Journal Of Semantic Computing", v. 2 (n. 1); pp. 91-114. ISSN 1793-351X. https://doi.org/10.1142/S1793351X08000373.
Title: | Evaluation of ECA Gesture strategies for robust Human-Computer Interaction |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | The International Journal Of Semantic Computing |
Date: | March 2008 |
ISSN: | 1793-351X |
Volume: | 2 |
Subjects: | |
Freetext Keywords: | ECA evaluation; gestures; human-machine interaction; voice recognition; spoken language dialogue systems |
Faculty: | E.T.S.I. Telecomunicación (UPM) |
Department: | Señales, Sistemas y Radiocomunicaciones |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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Embodied Conversational Agents (ECAs) offer us the possibility to design pleasant and efficient human-machine interaction. In this paper we present an evaluation scheme to compare dialogue-based speaker authentication and information retrieval systems with and without ECAs on the interface. We used gestures and other visual cues to improve fluency and robustness of interaction with these systems. Our tests results suggest that when an ECA is present users perceive fewer system errors, their frustration levels are lower, turn-changing goes more smoothly, the interaction experience is more enjoyable, and system capabilities are generally perceived more positively than when no ECA is present. However, the ECA seems to intensify the users' privacy concerns.
Item ID: | 2854 |
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DC Identifier: | https://oa.upm.es/2854/ |
OAI Identifier: | oai:oa.upm.es:2854 |
DOI: | 10.1142/S1793351X08000373 |
Official URL: | http://www.worldscinet.com/ijsc/ |
Deposited by: | Memoria Investigacion |
Deposited on: | 13 Apr 2010 11:43 |
Last Modified: | 20 Apr 2016 12:29 |