Ramón López-Cózar

Publication Activity (10 Years)

Years Active: 1997-2016
Publications (10 Years): 1

Top Topics

Spoken Dialogue Systems

Dialogue System

Initial Findings

Top Venues

Knowl. Based Syst.

Publications

Ramón López-Cózar
Automatic creation of scenarios for evaluating spoken dialogue systems via user-simulation. Knowl. Based Syst. 106 (2016)
Ramón López-Cózar
Using knowledge on word-islands to improve the performance of spoken dialogue systems. Knowl. Based Syst. 88 (2015)
David Griol, Zoraida Callejas, Ramón López-Cózar
A framework to develop context-aware adaptive dialogue system. INTERSPEECH (2015)
Zoraida Callejas, David Griol, Ramón López-Cózar
A framework for the assessment of synthetic personalities according to user perception. Int. J. Hum. Comput. Stud. 72 (7) (2014)
David Griol, Zoraida Callejas, Ramón López-Cózar, Giuseppe Riccardi
A domain-independent statistical methodology for dialog management in spoken dialog systems. Comput. Speech Lang. 28 (3) (2014)
Zoraida Callejas, David Griol, Michael F. McTear, Ramón López-Cózar
A Virtual Coach for Active Ageing Based on Sentient Computing and m-health. IWAAL (2014)
Nieves Ábalos, Gonzalo Espejo, Ramón López-Cózar, Francisco J. Ballesteros, Enrique Soriano, Gorka Guardiola
Multimodal Dialogue System for Interaction in AmI Environment by Means of File-Based Services. IWSDS (2012)
Zoraida Callejas, Ramón López-Cózar
Optimization of Dialog Strategies using Automatic Dialog Simulation and Statistical Dialog Management Techniques. INTERSPEECH (2012)
Nieves Ábalos, Gonzalo Espejo, Ramón López-Cózar, Francisco J. Ballesteros, Enrique Soriano, Gorka Guardiola
Mayordomo and Octopus: A Case Study in Ambient Intelligence Environments. UCAmI (2012)
David Griol, María García-Jiménez, Zoraida Callejas, Ramón López-Cózar
Providing Interactive and User-Adapted E-City Services by Means of Voice Portals. IWSDS (2012)
Ramón López-Cózar, Zoraida Callejas, David Griol
Enhancing Speech Understanding in Spoken Dialogue Systems by Means of a New Frame-Correction Technique. INTERSPEECH (2012)
Zoraida Callejas, David Griol, Klaus-Peter Engelbrecht, Ramón López-Cózar
A Clustering Approach to Assess Real User Profiles in Spoken Dialogue Systems. IWSDS (2012)
Zoraida Callejas, David Griol, Ramón López-Cózar
Merging Intention and Emotion to Develop Adaptive Dialogue Systems. IberSPEECH (2012)
Ramón López-Cózar, Gonzalo Espejo, Nieves Ábalos, David Griol
Using Contextual Information in the Input Interface of a Spoken Dialogue System. Intelligent Environments (Workshops) (2011)
Gonzalo Espejo, Asier Aztiria, Juan Carlos Augusto, Ramón López-Cózar
Creating Adaptive Intelligent Environments by means of Multimodal Dialogue and Learning Systems. Intelligent Environments (Workshops) (2011)
Ramón López-Cózar, Jan Silovský, Martin Kroul
Enhancement of emotion detection in spoken dialogue systems by combining several information sources. Speech Commun. 53 (9-10) (2011)
Ramón López-Cózar, Zoraida Callejas, David Griol, José F. Quesada
New Technique for Handling ASR Errors at the Semantic Level in Spoken Dialogue Systems. IWSDS (2011)
Zoraida Callejas, David Griol, Ramón López-Cózar
Predicting user mental states in spoken dialogue systems. EURASIP J. Adv. Signal Process. 2011 (2011)
Nieves Ábalos, Gonzalo Espejo, Ramón López-Cózar, Zoraida Callejas, David Griol
A Toolkit for the Evaluation of Spoken Dialogue Systems in Ambient Intelligence Domains. Intelligent Environments (Workshops) (2011)
Nieves Ábalos, Gonzalo Espejo, Ramón López-Cózar, Zoraida Callejas, David Griol
Design and Implementation of a Toolkit for Evaluation of Spoken Dialogue Systems Designed for AmI Environments. IWSDS (2011)
David Griol, Víctor Corrales, Zoraida Callejas, Ramón López-Cózar, Gonzalo Espejo, Nieves Ábalos
The VoiceApp System: Speech Technologies to Facilitate Web Access. Intelligent Environments (Workshops) (2011)
David Griol, Zoraida Callejas, Ramón López-Cózar
Integration of Statistical Dialog Management Techniques to Implement Commercial Dialog Systems. IWSDS (2011)
Ramón López-Cózar, David Griol, Gonzalo Espejo, Zoraida Callejas, Nieves Ábalos
Towards Fine-Grain User-Simulation for Spoken Dialogue Systems. IWSDS (2011)
Ramón López-Cózar, Hamid K. Aghajan, Ronald Poppe
HCIAmI'11 - Preface. Intelligent Environments (Workshops) (2011)
Zoraida Callejas, David Griol, Ramón López-Cózar, Gonzalo Espejo, Nieves Ábalos
Merging Intention and Emotion to Develop Adaptive Dialogue Systems. IWSDS (2011)
Gonzalo Espejo, Nieves Ábalos, Ramón López-Cózar, Zoraida Callejas, David Griol
Mayordomo: Ambient Intelligence in a Home Environment. Intelligent Environments (Workshops) (2010)
Ramón López-Cózar, Jan Silovský, David Griol
Mejora del Funcionamiento de Sistemas de Diálogo Hablado Mediante Reconocimiento del Estado Emocional de Usuarios. Proces. del Leng. Natural 45 (2010)
David Griol, Zoraida Callejas, Angel Arroyo, Miguel A. Patricio, José Manuel Molina, Ramón López-Cózar
Integración de los Sistemas de Diálogo para la Interacción en Redes Sociales. Proces. del Leng. Natural 44 (2010)
Ramón López-Cózar, David Griol
New technique to enhance the performance of spoken dialogue systems based on dialogue states-dependent language models and grammatical rules. INTERSPEECH (2010)
David Griol, Zoraida Callejas, Ramón López-Cózar
Statistical Dialog Management Methodologies for Real Applications. SIGDIAL Conference (2010)
Ramón López-Cózar, Zoraida Callejas, David Griol
Using knowledge of misunderstandings to increase the robustness of spoken dialogue systems. Knowl. Based Syst. 23 (5) (2010)
Nieves Ábalos, Gonzalo Espejo, Ramón López-Cózar, Zoraida Callejas
Sistema de Diálogo Multimodal para una Aplicación de Inteligencia Ambiental en una Vivienda. Proces. del Leng. Natural 44 (2010)
Nieves Ábalos, Gonzalo Espejo, Ramón López-Cózar, Zoraida Callejas, David Griol
A Multimodal Dialogue System for an Ambient Intelligent Application in Home Environments. TSD (2010)
Zoraida Callejas, Ana M. Gutiérrez, David Griol, Ramón López-Cózar, Nieves Ábalos, Gonzalo Espejo
Design and development of a multimodal dialogue system to support university tutorship. Intelligent Environments (Workshops) (2010)
Ramón López-Cózar, Zoraida Callejas, Nieves Ábalos, Gonzalo Espejo, David Griol
Using Knowledge about Misunderstandings to Increase the Robustness of Spoken Dialogue Systems. TSD (2010)
Ramón López-Cózar, Nieves Ábalos, Gonzalo Espejo, David Griol, Zoraida Callejas
Using Ambient Intelligence Information in a Multimodal Dialogue System. Intelligent Environments (Workshops) (2010)
Gonzalo Espejo, Nieves Ábalos, Ramón López-Cózar, Zoraida Callejas, David Griol
Sistema Mayordomo: Uso de un Entorno de Inteligencia Ambiental a Través de un Sistema de Diálogo Multimodal. Proces. del Leng. Natural 45 (2010)
David Griol, Michael F. McTear, Zoraida Callejas, Ramón López-Cózar, Nieves Ábalos, Gonzalo Espejo
A Methodology for Learning Optimal Dialog Strategies. TSD (2010)
Ramón López-Cózar, Jan Silovský, David Griol
- New Technique for Recognition of User Emotional States in Spoken Dialogue Systems. SIGDIAL Conference (2010)
Nieves Ábalos, Gonzalo Espejo, Gregor Podrekar, Ramón López-Cózar
User-Adaptive Multimodal Dialogue System for House Control: Recognizing Who and Where. Intelligent Environments (Workshops) (2010)
Ramón López-Cózar, David Griol, José F. Quesada
New Technique to Enhance the Performance of Spoken Dialogue Systems by Means of Implicit Recovery of ASR Errors. IWSDS (2010)
David Griol, Eduardo Rojo, Zoraida Callejas, Nieves Ábalos, Gonzalo Espejo, Ramón López-Cózar
Aplicación del Procesamiento del Lenguaje Natural y las Tecnologías del Habla en Mundos Virtuales. Proces. del Leng. Natural 45 (2010)
David Griol, Zoraida Callejas, Ramón López-Cózar, Gonzalo Espejo, Nieves Ábalos
Acquisition and Evaluation of a Dialog Corpus by means of Real and Simulated Users. Intelligent Environments (Workshops) (2010)
Zoraida Callejas, Ramón López-Cózar
Bases para evaluar la anotación de corpus de emociones espontáneas. Proces. del Leng. Natural 43 (2009)
Zoraida Callejas, Ramón López-Cózar
Improving acceptability assessment for the labelling of affective speech corpora. INTERSPEECH (2009)
Wolfgang Minker, Ramón López-Cózar, Michael F. McTear
The role of spoken language dialogue interaction in intelligent environments. J. Ambient Intell. Smart Environ. 1 (1) (2009)
Ramón López-Cózar, Zoraida Callejas
Mejora de la Interfaz de Entrada de Sistemas de Diálogo Usando Modelos Contextuales y Reglas Gramaticales. Proces. del Leng. Natural 43 (2009)
Zoraida Callejas, Ramón López-Cózar
Designing smart home interfaces for the elderly. ACM SIGACCESS Access. Comput. 95 (2009)
David Griol, Zoraida Callejas, Ramón López-Cózar
A Comparison between Dialog Corpora Acquired with Real and Simulated Users. SIGDIAL Conference (2009)
Zoraida Callejas, Ramón López-Cózar
Relations between de-facto criteria in the evaluation of a spoken dialogue system. Speech Commun. 50 (8-9) (2008)
Ramón López-Cózar, Zoraida Callejas, Martin Kroul, Jan Nouza, Jan Silovský
Two-Level Fusion to Improve Emotion Classification in Spoken Dialogue Systems. TSD (2008)
Zoraida Callejas, Ramón López-Cózar
Influence of contextual information in emotion annotation for spoken dialogue systems. Speech Commun. 50 (5) (2008)
Zoraida Callejas, Ramón López-Cózar
On the Use of Kappa Coefficients to Measure the Reliability of the Annotation of Non-acted Emotions. PIT (2008)
Ramón López-Cózar, Zoraida Callejas
ASR post-correction for spoken dialogue systems based on semantic, syntactic, lexical and contextual information. Speech Commun. 50 (8-9) (2008)
Zoraida Callejas, Jan Nouza, Petr Cerva, Ramón López-Cózar
MyVoice goes Spanish. Cross-lingual Adaptation of a Voice Controlled PC Tool for Handicapped People. Proces. del Leng. Natural 39 (2007)
Germán Montoro, Pablo A. Haya, Xavier Alamán, Ramón López-Cózar, Zoraida Callejas
A Proposal for an XML Definition of a Dynamic Spoken Interface for Ambient Intelligence. ICIC (2) (2006)
Ramón López-Cózar, Zoraida Callejas
Two-level speech recognition to enhance the performance of spoken dialogue systems. Knowl. Based Syst. 19 (3) (2006)
Ramón López-Cózar, Zoraida Callejas, Michael F. McTear
Testing the performance of spoken dialogue systems by means of an artificially simulated user. Artif. Intell. Rev. 26 (4) (2006)
Ramón López-Cózar, Zoraida Callejas
Combining language models in the input interface of a spoken dialogue system. Comput. Speech Lang. 20 (4) (2006)
Ramón López-Cózar, Zoraida Callejas, Miguel Gea
Análisis de Metodologías de Evaluación de Sistemas de Diálogo Multimodal. Proces. del Leng. Natural 34 (2005)
Ramón López-Cózar
Procesamiento de Informacion Multilingüe en un Sistema de Diálogo. Inteligencia Artif. 8 (22) (2004)
Ramón López-Cózar
Análisis Comparativo de Lenguajes Basados en XML para el Desarrollo de Sistemas de Diálogo. Proces. del Leng. Natural 32 (2004)
Ramón López-Cózar
Uso de Canales de Comunicación Adicionales en los Sistemas Conversacionales. Proces. del Leng. Natural 30 (2003)
Ramón López-Cózar
Uso de información contextual en la interfaz de entrada de un sistema de diálogo. Proces. del Leng. Natural 31 (2003)
Ramón López-Cózar, Ángel de la Torre, José C. Segura, Antonio J. Rubio
Assessment of dialogue systems by means of a new simulation technique. Speech Commun. 40 (3) (2003)
Ramón López-Cózar, Ángel de la Torre, José C. Segura, Antonio J. Rubio, Juan M. López-Soler
A new method for testing dialogue systems based on simulations of real-world conditions. INTERSPEECH (2002)
Ramón López-Cózar, Ángel de la Torre, José C. Segura, Antonio J. Rubio, Victoria E. Sánchez
Testing dialogue systems by means of automatic generation of conversations Interact. Comput. 14 (5) (2002)
Ramón López-Cózar, José C. Segura, Ángel de la Torre, Antonio J. Rubio
Una nueva técnica para evaluar sistemas conversacionales basada en la generación automática de diálogos. Proces. del Leng. Natural 27 (2001)
Ramón López-Cózar, Diego H. Milone
A new technique based on augmented language models to improve the performance of spoken dialogue systems. INTERSPEECH (2001)
Ramón López-Cózar, Antonio J. Rubio, Jesús Esteban Díaz Verdejo, Ángel de la Torre
Evaluation of a Dialogue System Based on a Generic Model that Combines Robust Speech Understanding and Mixed-initiative Control. LREC (2000)
Ramón López-Cózar, Antonio J. Rubio, Pedro García-Teodoro, José C. Segura
A new word-confidence threshold technique to enhance the performance of spoken dialogue systems. EUROSPEECH (1999)
Ramón López-Cózar, Antonio J. Rubio, María Pilar Abad García, José Carlos Segura Luna
A spoken dialogue system based on dialogue corpues analysis. LREC (1998)
Ramón López-Cózar, Pedro García-Teodoro, Jesús Esteban Díaz Verdejo, Antonio J. Rubio
A voice activated dialogue system for fast-food restaurant applications. EUROSPEECH (1997)