Zoraida Callejas Carrión

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Zoraida Callejas Carrión

Administrative data

Full member researcher

  • Position in UGR: Associate professor
    Department where s/he teaches: Lenguajes y Sistemas Informáticos
    Research group: TIC-018

Contributions and research experience

Publications in ISI SCI

  • Mobile Conversational Agents for Context-Aware Care Applications
    Author-s: Griol, David; Callejas, Zoraida
    Source: COGNITIVE COMPUTATION 8 2 10 2016
  • A framework for the assessment of synthetic personalities according to user perception
    Author-s: Callejas, Zoraida; Griol, David; Lopez-Cozar, Ramon
    Source: INTERNATIONAL JOURNAL OF HUMAN-COMPUTER STUDIES 72 7 567 583 2014
  • Modeling the user state for context-aware spoken interaction in ambient assisted living
    Author-s: Griol, David; Manuel Molina, Jose; Callejas, Zoraida
    Source: APPLIED INTELLIGENCE 40 4 749 771 2014
  • A domain-independent statistical methodology for dialog management in spoken dialog systems
    Author-s: Griol, David; Callejas, Zoraida; Lopez-Cozar, Ramon; Riccardi, Giuseppe
    Source: COMPUTER SPEECH AND LANGUAGE 28 3 743 768 2014
  • Using knowledge of misunderstandings to increase the robustness of spoken dialogue systems
    Author-s: Lopez-Cozar, Ramon; Callejas, Zoraida; Griol, David
    Source: KNOWLEDGE-BASED SYSTEMS 23 5 471 485 2010
  • Influence of contextual information in emotion annotation for spoken dialogue systems
    Author-s: Callejas, Zoraida; Lopez-Cozar, Ramon
    Source: SPEECH COMMUNICATION 50 5 416 433 2008
  • Testing the performance of spoken dialogue systems by means of an artificially simulated user
    Author-s: Lopez-Cozar, Ramon; Callejas, Zoraida; McTear, Michael
    Source: ARTIFICIAL INTELLIGENCE REVIEW 26 4 291 323 2006
  • Combining language models in the input interface of a spoken dialogue system
    Author-s: Lopez-Cozar, R.; Callejas, Z.
    Source: COMPUTER SPEECH AND LANGUAGE 20 4 420 440 2006
  • Two-level speech recognition to enhance the performance of spoken dialogue systems
    Author-s: Lopez-Cozar, Ramon; Callejas, Zoraida
    Source: KNOWLEDGE-BASED SYSTEMS 19 3 153 163 2006
  • A cross-lingual adaptation approach for rapid development of speech recognizers for learning disabled users
    Author-s: Bohac, Marek; Kucharova, Michaela; Callejas, Zoraida; Nouza, Jan; Cerva, Petr
    Source: EURASIP JOURNAL ON AUDIO SPEECH AND MUSIC PROCESSING -1 -1 2014
  • An Architecture to Develop Multimodal Educative Applications with Chatbots
    Author-s: Griol, David; Callejas, Zoraida
    Source: INTERNATIONAL JOURNAL OF ADVANCED ROBOTIC SYSTEMS 10 -1 -1 2013
  • A Neural Network Approach to Intention Modeling for User-Adapted Conversational Agents
    Author-s: Griol, David; Callejas, Zoraida
    Source: COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 0 0 2016
  • Sentiment Analysis: From Opinion Mining to Human-Agent Interaction
    Author-s: Clavel, Chloe; Callejas, Zoraida
    Source: IEEE TRANSACTIONS ON AFFECTIVE COMPUTING 7 1 74 93 6th AAAC Affective Computing and Intelligent Inter SEP 21-24, 2015 Xian, PEOPLES R CHINA 2016
  • An approach to develop intelligent learning environments by means of immersive virtual worlds
    Author-s: Griol, David; Manuel Molina, Jose; Callejas, Zoraida
    Source: JOURNAL OF AMBIENT INTELLIGENCE AND SMART ENVIRONMENTS 6 2 237 255 2014
  • Providing personalized Internet services by means of context-aware spoken dialogue systems
    Author-s: Griol, David; Manuel Molina, Jose; Callejas, Zoraida
    Source: JOURNAL OF AMBIENT INTELLIGENCE AND SMART ENVIRONMENTS 5 1 23 45 2013
  • Bringing together commercial and academic perspectives for the development of intelligent AmI interfaces
    Author-s: Griol, David; Manuel Molina, Jose; Callejas, Zoraida
    Source: JOURNAL OF AMBIENT INTELLIGENCE AND SMART ENVIRONMENTS 4 3 183 207 2012
  • A Proposal to Create Learning Environments in Virtual Worlds Integrating Advanced Educative Resources
    Author-s: Griol, David; Manuel Molina, Jose; Sanchis de Miguel, Araceli; Callejas, Zoraida
    Source: JOURNAL OF UNIVERSAL COMPUTER SCIENCE 18 18 2516 2541 2012
  • Predicting user mental states in spoken dialogue systems
    Author-s: Callejas, Zoraida; Griol, David; Lopez-Cozar, Ramon
    Source: EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING -1 -1 2011
  • Relations between de-facto criteria in the evaluation of a spoken dialogue system
    Author-s: Callejas, Zoraida; Lopez-Cozar, Ramon
    Source: SPEECH COMMUNICATION 50 8-9 646 665 9th International Conference on Spoken Language Pr 2006 Pittsburgh, Pittsburgh 2008
  • ASR post-correction for spoken dialogue systems based on semantic, syntactic, lexical and contextual information
    Author-s: Lopez-Cozar, Ramon; Callejas, Zoraida
    Source: SPEECH COMMUNICATION 50 8-9 745 766 9th International Conference on Spoken Language Pr 2006 Pittsburgh, Pittsburgh 2008

Conferences in ISI CPCI-Science

  • Merging Intention and Emotion to Develop Adaptive Dialogue Systems
    Author-s: Callejas, Zoraida; Griol, David; Lopez-Cozar Delgado, Ramon
    Source: ADVANCES IN SPEECH AND LANGUAGE TECHNOLOGIES FOR IBERIAN LANGUAGES 328 168 177 Spanish Speech Technology Workshop/Iberian SLTech NOV 21-23, 2012 Univ Autonoma Madrid, ATVS Biometr Res Grp, Univ Autonoma Madrid, ATVS Biometr Res Grp, Univ Autonom 2012
  • A Toolkit for the Evaluation of Spoken Dialogue Systems in Ambient Intelligence Domains
    Author-s: Abalos, Nieves; Espejo, Gonzalo; Lopez-Cozar, Ramon; Callejas, Zoraida; Griol, David
    Source: WORKSHOP PROCEEDINGS OF THE 7TH INTERNATIONAL CONFERENCE ON INTELLIGENT ENVIRONMENTS 10 384 394 7th International Conference on Intelligent Enviro JUL 25-26, 2011 Nottingham Trent Univ, Nottingham Trent Univ, Nottingham Trent Univ 2011
  • The VoiceApp System: Speech Technologies to Facilitate Web Access
    Author-s: Griol, David; Corrales, Victor; Callejas, Zoraida; Lopez-Cozar, Ramon; Espejo, Gonzalo; Abalos, Nieves
    Source: WORKSHOP PROCEEDINGS OF THE 7TH INTERNATIONAL CONFERENCE ON INTELLIGENT ENVIRONMENTS 10 406 416 7th International Conference on Intelligent Enviro JUL 25-26, 2011 Nottingham Trent Univ, Nottingham Trent Univ, Nottingham Trent Univ 2011
  • A Multimodal Dialogue System for an Ambient Intelligent Application in Home Environments
    Author-s: Abalos, Nieves; Espejo, Gonzalo; Lopez-Cozar, Ramon; Callejas, Zoraida; Griol, David
    Source: TEXT, SPEECH AND DIALOGUE 6231 491 498 13th International Conference on Text, Speech and SEP 06-10, 2010 Brno, Brno 2010
  • A Methodology for Learning Optimal Dialog Strategies
    Author-s: Griol, David; McTear, Michael F.; Callejas, Zoraida; Lopez-Cozar, Ramon; Abalos, Nieves; Espejo, Gonzalo
    Source: TEXT, SPEECH AND DIALOGUE 6231 507 514 13th International Conference on Text, Speech and SEP 06-10, 2010 Brno, Brno 2010
  • Using Knowledge about Misunderstandings to Increase the Robustness of Spoken Dialogue Systems
    Author-s: Lopez-Cozar, Ramon; Callejas, Zoraida; Abalos, Nieves; Espejo, Gonzalo; Griol, David
    Source: TEXT, SPEECH AND DIALOGUE 6231 523 530 13th International Conference on Text, Speech and SEP 06-10, 2010 Brno, Brno 2010
  • Cost-Efficient Cross-Lingual Adaptation of a Speech Recognition System
    Author-s: Callejas, Zoraida; Nouza, Jan; Cerva, Petr; Lopez-Cozar, Ramon
    Source: COMPUTER RECOGNITION SYSTEMS 3 57 331 338 2009
  • On the use of Kappa coefficients to measure the reliability of the annotation of non-acted emotions
    Author-s: Callejas, Zoraida; Lopez-Cozar, Ramon
    Source: PERCEPTION IN MULTIMODAL DIALOGUE SYSTEMS, PROCEEDINGS 5078 221 232 4th IEEE Tutorial and Research Workshop on Percept JUN 16-18, 2008 Kloster Irsee, Kloster Irsee 2008
  • Two-Level Fusion to Improve Emotion Classification in Spoken Dialogue Systems
    Author-s: Lopez-Cozar, Ramon; Callejas, Zoraida; Kroul, Martin; Nouza, Jan; Silovsky, Jan
    Source: TEXT, SPEECH AND DIALOGUE, PROCEEDINGS 5246 617 624 11th International Conference on Text, Speech and SEP 08-12, 2008 Brno, Brno 2008
  • Decisive Factors in the Annotation of Emotions for Spoken Dialogue Systems
    Author-s: Callejas, Zoraida; Lopez-Cozar, Ramon
    Source: COMPUTER RECOGNITION SYSTEMS 2 45 747 754 2007
  • A proposal for an XML definition of a dynamic spoken interface for ambient intelligence
    Author-s: Montoro, German; Haya, Pablo A.; Alaman, Xavier; Lopez-Cozar, Ramon; Callejas, Zoraida
    Source: COMPUTATIONAL INTELLIGENCE, PT 2, PROCEEDINGS 4114 711 716 International Conference on Intelligent Computing AUG 16-19, 2006 Kunming, Kunming 2006
  • Human-Centred Design Of An Assistive Ubiquitous Multimodal Dialogue System
    Author-s: Callejas, Zoraida; Lopez-Cozar, Ramon
    Source: SMART HOMES AND BEYOND 19 47 54 4th International Conference on Smart Homes and He JUN 26-28, 2006-2008 Belfast, Belfast 2006
  • New Multimodal Dialogue System For An Academic Intelligent Environment
    Author-s: Lopez-Cozar, Ramon; Callejas, Zoraida; Montoro, German
    Source: SMART HOMES AND BEYOND 19 319 322 4th International Conference on Smart Homes and He JUN 26-28, 2006-2008 Belfast, Belfast 2006

Book chapters in ISI

  • Conversational Metabots for Educational Applications in Virtual Worlds
    Author-s: Griol, David; Callejas, Zoraida; Lopez-Cozar, Ramon
    Source: IMMERSIVE ENVIRONMENTS, AUGMENTED REALITIES, AND VIRTUAL WORLDS: ASSESSING FUTURE TRENDS IN EDUCATIO 209 237 2013
  • Optimization of Dialog Strategies using Automatic Dialog Simulation and Statistical Dialog Management Techniques
    Author-s: Griol, David; Callejas, Zoraida; Lopez-Cozar, Ramon
    Source: 13TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2012 (INTERSPEECH 2012) 218 221 13th Annual Conference of the International-Speech SEP 09-13, 2012 Portland, Portland 2012
  • Assessment of user simulators for spoken dialogue systems by means of subspace multidimensional clustering
    Author-s: Callejas, Zoraida; Griol, David; Engelbrecht, Klaus-Peter
    Source: 13TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2012 (INTERSPEECH 2012) 250 253 13th Annual Conference of the International-Speech SEP 09-13, 2012 Portland, Portland 2012
  • Enhancing Speech Understanding in Spoken Dialogue Systems by Means of a New Frame-Correction Technique
    Author-s: Lopez-Cozar, Ramon; Callejas, Zoraida; Griol, David
    Source: 13TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2012 (INTERSPEECH 2012) 750 753 13th Annual Conference of the International-Speech SEP 09-13, 2012 Portland, Portland 2012
  • Affective Conversational Agents: The Role of Personality and Emotion in Spoken Interactions
    Author-s: Callejas, Zoraida; Lopez-Cozar, Ramon; Abalos, Nieves; Griol, David
    Source: CONVERSATIONAL AGENTS AND NATURAL LANGUAGE INTERACTION: TECHNIQUES AND EFFECTIVE PRACTICES 203 222 2011
  • Enhancement of Conversational Agents by Means of Multimodal Interaction
    Author-s: Lopez-Cozar, Ramon; Callejas, Zoraida; Espejo, Gonzalo; Griol, David
    Source: CONVERSATIONAL AGENTS AND NATURAL LANGUAGE INTERACTION: TECHNIQUES AND EFFECTIVE PRACTICES 223 252 2011
  • Multimodal Dialogue for Ambient Intelligence and Smart Environments
    Author-s: Lopez-Cozar, Ramon; Callejas, Zoraida
    Source: HANDBOOK OF AMBIENT INTELLIGENCE AND SMART ENVIRONMENTS 559 579 2010
  • Improving acceptability assessment for the labelling of affective speech corpora
    Author-s: Callejas, Zoraida; Lopez-Cozar, Ramon
    Source: INTERSPEECH 2009: 10TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2009, 2835 2838 10th INTERSPEECH 2009 Conference SEP 06-10, 2009 Brighton, Brighton 2009
  • Setting up a multimodal dialogue system for ubiquitous environments
    Author-s: Lopez-Cozar, R; Callejas, Z; Gea, M; Garrido, JL; Cabrera, M
    Source: HCI Related Papers of Interaccion 2004 89 101 5th International Conference on Human Computer Int MAY 05, 2004-MAY 07, 2005 Lleida, Lleida 2006

Research Contracts through OTRI

  • OTRI-3765
    Principal Investigator: Zoraida Callejas Carrión
    Start date: 2016-10-01
    End date: 2016-10-31
    Research Group: TIC-018
    Company: Le Peuple Habile SAS

Research visits

  • Technical University of Berlin
    Visiting researcher: Callejas Carrión, Zoraida
    Research group: TIC-018
    Place: Berlín, Alemania
    Start date: 2011-12-03
    End date: 2011-12-07
  • Technical University of Liberec
    Visiting researcher: Callejas Carrión, Zoraida
    Research group: TIC-018
    Place: Liberec, República Checa
    Start date: 2011-04-23
    End date: 2011-05-06
  • TECHNICAL UNIVERSITY OF BERLIN
    Visiting researcher: Callejas Carrión, Zoraida
    Research group: TIC-018
    Place: BERLIN; ALEMANIA
    Start date: 2010-07-01
    End date: 2010-09-01
    Visiting category: POSTD
  • UNIVERSITY OF ULSTER
    Visiting researcher: Callejas Carrión, Zoraida
    Research group: TIC-018
    Place: BELFAST; REINO UNIDO
    Start date: 2009-07-20
    End date: 2009-08-03
    Visiting category: POSTD
  • TECHNICAL UNIVERSITY OF BERLIN
    Visiting researcher: Callejas Carrión, Zoraida
    Research group: TIC-018
    Place: BERLIN; ALEMANIA
    Start date: 2009-07-08
    End date: 2009-07-12
    Visiting category: INV
  • TECHNICAL UNIVERSITY OF LIBEREC
    Visiting researcher: Callejas Carrión, Zoraida
    Research group: TIC-018
    Place: LIBEREC; CHEQUIA
    Start date: 2009-01-04
    End date: 2009-01-10
    Visiting category: INV
  • UNIVERSITY OF TRENTO
    Visiting researcher: Callejas Carrión, Zoraida
    Research group: TIC-018
    Place: TRENTO; ITALIA
    Start date: 2008-06-30
    End date: 2008-09-30
    Visiting category: POSTD
  • TECHNICAL UNIVERSITY OF LIBEREC
    Visiting researcher: Callejas Carrión, Zoraida
    Research group: TIC-018
    Place: LIBEREC; CHEQUIA
    Start date: 2007-03-12
    End date: 2007-06-15
    Visiting category: PRED
  • UNIVERSITY OF ULSTER
    Visiting researcher: Callejas Carrión, Zoraida
    Research group: TIC-018
    Place: BELFAST; GRAN BRETAÑA
    Start date: 2006-06-16
    End date: 2006-06-30
    Visiting category: INV
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