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Eugenio Martínez Cámara

Universidad de Jaén

Publicaciones

Data augmentation based on large language models for radiological report classification
AUTHORS: Jaime Collado-Montañez, María-Teresa Martín-Valdivia, Eugenio Martínez-Cámara

Knowledge-Based Systems

  • 2025
  • journal-article
Federated Learning for Exploiting Annotators’ Disagreements in Natural Language Processing
AUTHORS: N. Rodríguez-Barroso, E.M. Cámara, J.C. Collados, M.V. Luzón, F. Herrera

Transactions of the Association for Computational Linguistics

  • 2024
  • journal-article
Question Answering over Tabular Data with DataBench: A Large-Scale Empirical Evaluation of LLMs
AUTHORS: Osés Grijalba, Jorge and Ureña-López, L. Alfonso and Mart́ınez Cámara, Eugenio and Camacho-Collados, Jose, Calzolari, Nicoletta and Kan, Min-Yen and Hoste, Veronique and Lenci, Alessandro and Sakti, Sakriani and Xue, Nianwen

Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024)

  • 2024
  • conference-paper
Question Answering over Tabular Data with DataBench: A Large-Scale Empirical Evaluation of LLMs
AUTHORS: J.O. Grijalba, L.A. Ureña-López, E.M. Cámara, J. Camacho-Collados

2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation, LREC-COLING 2024 - Main Conference Proceedings

  • 2024
  • conference-paper
SINAI at CheckThat! 2024: Stealthy Character-Level Adversarial Attacks Using Homoglyphs and Iterative Search
AUTHORS: J. Valle-Aguilera, A.J. Gutiérrez-Megías, S.M. Jiménez-Zafra, L.A. Ureña-López, E. Martínez-Cámara

CEUR Workshop Proceedings

  • 2024
  • conference-paper
SINAI at eRisk@ CLEF 2024: Approaching the Search for Symptoms of Depression and Early Detection of Anorexia Signs using Natural Language Processing
AUTHORS: A.M. Mármol-Romero, A. Moreno-Muñoz, P. Álvarez-Ojeda, K.M. Valencia-Segura, E. Martínez-Cámara, M. García-Vega, A. Montejo-Ráez

CEUR Workshop Proceedings

  • 2024
  • conference-paper
SINAI at SemEval-2024 Task 8: Fine-tuning on Words and Perplexity as Features for Detecting Machine Written Text
AUTHORS: Gutiérrez Meǵıas, Alberto and Ureña-lópez, L. Alfonso and Mart́ınez Cámara, Eugenio, Ojha, Atul Kr. and Doğruöz, A. Seza and Tayyar Madabushi, Harish and Da San Martino, Giovanni and Rosenthal, Sara and Rosá, Aiala

Proceedings of the 18th International Workshop on Semantic Evaluation (SemEval-2024)

  • 2024
  • conference-paper
SINAI at SemEval-2024 Task 8: Fine-tuning onWords and Perplexity as Features for Detecting Machine Written Text
AUTHORS: Alberto J. Gutierrez-Megias, L. Alfonso Urena-Lopez, Eugenio Martinez-Camara

Proceedings of the International Workshop on Semantic Evaluation, Semeval

  • 2024
  • journal-article
Smart Lexical Search for Label Flipping Adversial Attack
AUTHORS: A.J. Gutiérrez-Megías, S.M. Jiménez-Zafra, L.A. Ureña-López, E. Martínez-Cámara

PrivateNLP 2024 - 5th Workshop on Privacy in Natural Language Processing, Proceedings of the Workshop

  • 2024
  • conference-paper
Towards Quality Benchmarking in Question Answering over Tabular Data in Spanish,Una Evaluación de Calidad en Preguntas y Respuestas sobre Datos Tabulares en Español
AUTHORS: J. Osés Grijalba, L.A. Ureña López, J. Camacho-Collados, E. Martínez Cámara

Procesamiento del Lenguaje Natural

  • 2024
  • journal-article
A survey on extremism analysis using natural language processing: definitions, literature review, trends and challenges
AUTHORS: J. Torregrosa, G. Bello-Orgaz, E. Martínez-Cámara, J.D. Ser, D. Camacho

Journal of Ambient Intelligence and Humanized Computing

  • 2023
  • journal-article
Crowd Decision Making: Sparse Representation Guided by Sentiment Analysis for Leveraging the Wisdom of the Crowd

IEEE Transactions on Systems, Man, and Cybernetics: Systems

  • 2023
  • journal-article
Explainable Crowd Decision Making methodology guided by expert natural language opinions based on Sentiment Analysis with Attention-based Deep Learning and Subgroup Discovery
AUTHORS: C. Zuheros, E. Martínez-Cámara, E. Herrera-Viedma, I.A. Katib, F. Herrera

Information Fusion

  • 2023
  • journal-article
SINAI at MentalRisk: Using Emotions for Detecting Depression
AUTHORS: S. González-Silot, E. Martínez-Cámara, L.A. Ureña-López

CEUR Workshop Proceedings

  • 2023
  • conference-paper
Survey on federated learning threats: Concepts, taxonomy on attacks and defences, experimental study and challenges
AUTHORS: N. Rodríguez-Barroso, D. Jiménez-López, M.V. Luzón, F. Herrera, E. Martínez-Cámara

Information Fusion

  • 2023
  • journal-article
Backdoor attacks-resilient aggregation based on Robust Filtering of Outliers in federated learning for image classification
AUTHORS: N. Rodríguez-Barroso, E. Martínez-Cámara, M.V. Luzón, F. Herrera

Knowledge-Based Systems

  • 2022
  • journal-article
Dynamic defense against byzantine poisoning attacks in federated learning
AUTHORS: N. Rodríguez-Barroso, E. Martínez-Cámara, M.V. Luzón, F. Herrera

Future Generation Computer Systems

  • 2022
  • journal-article
NLP4SM: Natural Language Processing for social media
AUTHORS: G.M. Medina, J.C. Collados, E.M. Cámara

CEUR Workshop Proceedings

  • 2022
  • conference-paper
Personalised Federated Learning with BERT Fine Tuning. Case Study on Twitter Sentiment Analysis
AUTHORS: J.A. Ruiz-Millán, E. Martínez-Cámara, M. Victoria Luzón, F. Herrera

Lecture Notes in Networks and Systems

  • 2022
  • conference-paper
Survey on Federated Learning Threats: concepts, taxonomy on attacks and defences, experimental study and challenges
AUTHORS: N. Rodríguez-Barroso, D.J. López, M.V. Luzón, F. Herrera, E. Martínez-Cámara

arXiv

  • 2022
  • other
TweetNLP: Cutting-Edge Natural Language Processing for Social Media
AUTHORS: J. Camacho-Collados, K. Rezaee, T. Riahi, A. Ushio, D. Loureiro, D. Antypas, J. Boisson, L. Espinosa-Anke, F. Liu, E. Martínez-Cámara, G. Medina, T. Buhrmann, L. Neves, F. Barbieri

EMNLP 2022 - 2022 Conference on Empirical Methods in Natural Language Processing, Proceedings of the Demonstrations Session

  • 2022
  • conference-paper
TweetNLP: Cutting-Edge Natural Language Processing for Social Media
AUTHORS: Jose Camacho-Collados, Kiamehr Rezaee, Talayeh Riahi, Asahi Ushio, Daniel Loureiro, Dimosthenis Antypas, Joanne Boisson, Luis Espinosa-Anke, Fangyu Liu, Eugenio Martinez-Camara, Gonzalo Medina, Thomas Buhrmann, Leonardo Neves, Francesco Barbieri

ArXiv

  • 2022
  • journal-article
TweetNLP: Cutting-Edge Natural Language Processing for Social Media
AUTHORS: J. Camacho-Collados, K. Rezaee, T. Riahi, A. Ushio, D. Loureiro, D. Antypas, J. Boisson, L. Espinosa-Anke, F. Liu, E. Martínez-Cámara, G. Medina, T. Buhrmann, L. Neves, F. Barbieri

arXiv

  • 2022
  • other
A panoramic view and swot analysis of artificial intelligence for achieving the sustainable development goals by 2030: progress and prospects

Applied Intelligence

  • 2021
  • journal-article
A survey on extremism analysis using natural language processing
AUTHORS: J. Torregrosa, E. Martinez-Camara, G. Bello-Orgaz, J.D. Ser, D. Camacho

arXiv

  • 2021
  • other
ADOPS: Aspect Discovery OPinion Summarisation Methodology based on deep learning and subgroup discovery for generating explainable opinion summaries
AUTHORS: M. López, E. Martínez-Cámara, M.V. Luzón, F. Herrera

Knowledge-Based Systems

  • 2021
  • journal-article
Ordering Artificial Intelligence Based Recommendations to Tackle the SDGs with a Decision-Making Model Based on Surveys

Sustainability (Switzerland)

  • 2021
  • journal-article
Sentiment Analysis based Multi-Person Multi-criteria Decision Making methodology using natural language processing and deep learning for smarter decision aid. Case study of restaurant choice using TripAdvisor reviews
AUTHORS: C. Zuheros, E. Martínez-Cámara, E. Herrera-Viedma, F. Herrera

Information Fusion

  • 2021
  • journal-article
Dynamic defense against byzantine poisoning attacks in federated learning
AUTHORS: N. Rodríguez-Barroso, E. Martínez-Cámara, M.V. Luzón, F. Herrera

arXiv

  • 2020
  • other
Enhancing the classification of social media opinions by optimizing the structural information
AUTHORS: C. Vairetti, E. Martínez-Cámara, S. Maldonado, V. Luzón, F. Herrera

Future Generation Computer Systems

  • 2020
  • journal-article
Federated Learning and Differential Privacy: Software tools analysis, the Sherpa.ai FL framework and methodological guidelines for preserving data privacy
AUTHORS: N. Rodríguez-Barroso, G. Stipcich, D. Jiménez-López, J.A. Ruiz-Millán, E. Martínez-Cámara, G. González-Seco, M.V. Luzón, M.A. Veganzones, F. Herrera

Information Fusion

  • 2020
  • journal-article
Federated Learning and Differential Privacy: Software tools analysis, the Sherpa.ai FL framework and methodological guidelines for preserving data privacy
AUTHORS: N. Rodríguez-Barroso, G. Stipcich, D. Jiménez-López, J.A. Ruiz-Millán, E. Martínez-Cámara, G. González-Seco, M.V. Luzón, M.Á. Veganzones, F. Herrera

arXiv

  • 2020
  • other
Iberlef 2020iberian languages evaluation forum 2020 proceedings of the iberian languages evaluation forum (iberlef 2020)co-located with 36th conference of the Spanish society for natural languageprocessing (sepln 2020)
AUTHORS: M.Á.G. Cumbreras, J. Gonzalo, E.M. Cámara, R.M. Unanue, P. Rosso, S.J. Zafra, J.A. Ortiz-Zambrano, A. Miranda, J. Porta-Zamorano, Y. Guitiérrez, A. Rosá, M. Montes-Y-Gómez, M. Garciá-Vega

CEUR Workshop Proceedings

  • 2020
  • conference-paper
Learning Cross-lingual Embeddings from Twitter via Distant Supervision

INTERNATIONAL CONFERENCE ON WEB AND SOCIAL MEDIA

  • 2020
  • conference-paper
Learning cross-lingual embeddings from twitter via distant supervision
AUTHORS: J. Camacho-Collados, Y. Doval, E. Martínez-Cámara, L. Espinosa-Anke, F. Barbieri, S. Schockaert

INTERNATIONAL CONFERENCE ON WEB AND SOCIAL MEDIA

  • 2020
  • conference-paper
Learning cross-lingualword embeddings from Twitter via distant supervision
AUTHORS: J. Camacho-Collados, Y. Doval, E. Martínez-Cámara, L. Espinosa-Anke, F. Barbieri, S. Schockaert

Proceedings of the 14th International AAAI Conference on Web and Social Media, ICWSM 2020

  • 2020
  • conference-paper
Overview of TASS 2020: Introducing Emotion Detection
AUTHORS: M. Garciá-Vegaa, M.C. Diáz-Galiano, M.Á. Garciá-Cumbreras, F.M.P. Del Arco, A. Montejo-Raéz, S.M. Jiménez-Zafra, E.M. Cámara, C.A. Aguilar, M.A.S. Cabezudo, L. Chiruzzo, D. Moctezuma

CEUR Workshop Proceedings

  • 2020
  • conference-paper
Predicting literature’s early impact with sentiment analysis in Twitter

Knowledge-Based Systems

  • 2020
  • journal-article
Sentiment Analysis based Multi-person Multi-criteria Decision Making Methodology: Using Natural Language Processing and Deep Learning for Decision Aid
AUTHORS: C. Zuheros, E. Martínez-Cámara, E. Herrera-Viedma, F. Herrera

arXiv

  • 2020
  • other
Tweet Coupling: a social media methodology for clustering scientific publications
AUTHORS: S.-U. Hassan, N.R. Aljohani, M. Shabbir, U. Ali, S. Iqbal, R. Sarwar, E. Martínez-Cámara, S. Ventura, F. Herrera

Scientometrics

  • 2020
  • journal-article
What do people think about this monument? Understanding negative reviews via deep learning, clustering and descriptive rules
AUTHORS: A. Valdivia, E. Martínez-Cámara, I. Chaturvedi, M.V. Luzón, E. Cambria, Y.-S. Ong, F. Herrera

Journal of Ambient Intelligence and Humanized Computing

  • 2020
  • journal-article
Análisis comparativo de las características computacionales en los sistemas modernos de análisis de sentimiento para el español

Procesamiento del Lenguaje Natural

  • 2019
  • journal-article
Comparative analysis of the computational characteristics in modern sentiment analysis systems for Spanish,Análisis comparativo de las características computacionales en los sistemas modernos de análisis de sentimiento para el español
AUTHORS: E. Casasola, A. Pimentel, G. Sierra, E.M. Cámara, G. Marín

Procesamiento del Lenguaje Natural

  • 2019
  • journal-article
Decision making model based on expert evaluations extracted with sentiment analysis

2019 International ‘Alan Turing’ Conference on Decision Support and Recommender Systems (DSRS-Turing’19)

  • 2019
  • conference-paper
Deep Learning Hyper-parameter Tuning for Sentiment Analysis in Twitter based on Evolutionary Algorithms

Proceedings of the 2019 Federated Conference on Computer Science and Information Systems

  • 2019
  • conference-paper
Deep recurrent neural network for geographical entities disambiguation on social media data
AUTHORS: C. Zuheros, S. Tabik, A. Valdivia, E. Martínez-Cámara, F. Herrera

Knowledge-Based Systems

  • 2019
  • journal-article
E2SAM: Evolutionary ensemble of sentiment analysis methods for domain adaptation
AUTHORS: M. López, A. Valdivia, E. Martínez-Cámara, M.V. Luzón, F. Herrera

Information Sciences

  • 2019
  • journal-article
Overview of TASS 2019: One more further for the global Spanish sentiment analysis corpus
AUTHORS: M.C. Díaz-Galiano, M. García-Vega, E. Casasola, L. Chiruzzo, M.Á. García-Cumbreras, E.M. Cámara, D. Moctezuma, A.M. Ráez, M.A.S. Cabezudo, E. Tellez, M. Graff, S. Miranda

CEUR Workshop Proceedings

  • 2019
  • conference-paper
Studying the Scope of Negation for Spanish Sentiment Analysis on Twitter
AUTHORS: S.M.J. Zafra, M. Teresa Martin Valdivia, E.M. Camara, L. Alfonso Urena Lopez

IEEE Transactions on Affective Computing

  • 2019
  • journal-article
TASS 2018: The strength of deep learning in language understanding tasks
AUTHORS: M.C. Díaz-Galiano, M.Á. García-Cumbreras, M. García-Vega, Y. Gutiérrez, E. Martínez-Cámara, A. Piad-Morffis, J. Villena-Román

Procesamiento de Lenguaje Natural

  • 2019
  • journal-article
Overview of TASS 2018: Opinions, health and emotions
AUTHORS: E. Martínez-Cámara, Y. Almeida-Cruz, M.C. Díaz-Galiano, S. Estévez-Velarde, M.Á. García-Cumbreras, M. García-Vega, Y. Gutiérrez, A. Montejo-Ráez, A. Montoyo, R. Muñoz, A. Piad-Morffis, J. Villena-Román

CEUR Workshop Proceedings

  • 2018
  • conference-paper
Preface
AUTHORS: L.E. Anke, T. Declerck, D. Gromann, S. Schockaert, C. Christodoulopoulos, K. Adrian, L.A. Tuan, M. Ballesteros, J. Camacho-Collados, E.M. Cámara, G. Casamayor, M. Grachten, D. Garcia-Casulla, J.G. Del Río, J. Helcl, P. Osenova, M. Riedl, S. Roller, F. Ronzano, E. Santus, F. Scharffe, V. Shwartz, K. Simov, M. Spranger, A. Vilalta, A. Zubiaga

COLING 2018 - 3rd Workshop on Semantic Deep Learning, SemDeep 2018 - Proceedings

  • 2018
  • conference-paper
SCI2S at TASS 2018: Emotion classification with Recurrent Neural Networks
AUTHORS: N.R. Barroso, E. Martínez-Cámara, F. Herrera

Ceur Workshop Proceedings

  • 2018
  • conference-paper
SINAI at IEST 2018: Neural Encoding of Emotional External Knowledge for Emotion Classification
AUTHORS: F.M. Plaza-Del-Arco, E. Martínez-Cámara, M.T. Martín-Valdivia, L.A. Ureña-López

WASSA 2018 - 9th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis, Proceedings of the Workshop

  • 2018
  • conference-paper
SINAI at TASS 2018: Lineal classification system with emotional external knowledge,SINAI en TASS 2018: Inserción de conocimiento emocional externo a un clasificador lineal de emociones
AUTHORS: F. Miriam-Plaza-del-Arco, E.M. Cámara, M.T. Martín Valdivia, L.A. Ureña-López

CEUR Workshop Proceedings

  • 2018
  • conference-paper
The democratization of deep learning in TASS 2017
AUTHORS: M.C. Díaz-Galiano, E. Martínez-Cámara, M. Ángel García-Cumbreras, M. García-Vega, J. Villena-Román

Procesamiento de Lenguaje Natural

  • 2018
  • journal-article
A Consolidated Open Knowledge Representation for Multiple Texts
AUTHORS: R. Wities, V. Shwartz, G. Stanovsky, M. Adler, O. Shapira, S. Upadhyay, D. Roth, E.M. Camara, I. Gurevych, I. Dagan

LSDSem 2017 - 2nd Workshop on Linking Models of Lexical, Sentential and Discourse-Level Semantics, Proceedings of the Workshop

  • 2017
  • conference-paper
LSDSem 2017: Exploring Data Generation Methods for the Story Cloze Test
AUTHORS: M. Bugert, Y. Puzikov, A. Rücklé, J. Eckle-Kohler, T. Martin, E. Martínez-Cámara, D. Sorokin, M. Peyrard, I. Gurevych

LSDSem 2017 - 2nd Workshop on Linking Models of Lexical, Sentential and Discourse-Level Semantics, Proceedings of the Workshop

  • 2017
  • conference-paper
Neural disambiguation of causal lexical markers based on context
AUTHORS: E. Martínez-Cámara, V. Shwartz, I. Gurevych, I. Dagan

12th International Conference on Computational Semantics, IWCS 2017 - Short Papers

  • 2017
  • conference-paper
Análisis de opiniones en español,Sentiment analysis in Spanish
AUTHORS: E.M. Cámara

Procesamiento del Lenguaje Natural

  • 2016
  • journal-article
Combining resources to improve unsupervised sentiment analysis at aspect-level
AUTHORS: S.M. Jiménez-Zafra, M.T. Martín-Valdivia, E. Martínez-Cámara, L.A. Ureña-López

Journal of Information Science

  • 2016
  • journal-article
COPOS: Corpus of patient opinions in Spanish. Application of sentiment analysis techniques
AUTHORS: F.M. Plaza-Del-Arco, M. Teresa Martín-Valdivia, S.M. Jiménez-Zafra, M. Dolores Molina-González, E. Martínez-Cámara

Procesamiento de Lenguaje Natural

  • 2016
  • journal-article
Overview of TASS 2016
AUTHORS: M.Á.G. Cumbreras, J.V. Román, E.M. Cámara, M.C.D. Galiano, M.T.M. Valdivia, L.A.U. López

CEUR Workshop Proceedings

  • 2016
  • conference-paper
Proceedings of TASS 2016: Workshop on sentiment analysis at SEPLN colocated with 32nd SEPLN conference (SEPLN 2016)
AUTHORS: Román, J.V.; Cumbreras, M.Á.G.; Cámara, E.M.; Galiano, M.C.D.; Valdivia, M.T.M.; López, L.A.U.

CEUR Workshop Proceedings

  • 2016
  • conference-paper
Sentiment Analysis in Spanish
AUTHORS: Martinez Camara, Eugenio

Procesamiento de Lenguaje Natural

  • 2016
  • journal-article
TASS 2015 – The evolution of the Spanish opinion mining systems
AUTHORS: Cumbreras, M.Á.G.; Cámara, E.M.; Román, J.V.; Morera, J.G.

Procesamiento de Lenguaje Natural

  • 2016
  • journal-article
A Spanish semantic orientation approach to domain adaptation for polarity classification
AUTHORS: Dolores Molina-González, M.; Martínez-Cámara, E.; Teresa Martín-Valdivia, M.; Alfonso Ureña-López, L.

Information Processing and Management

  • 2015
  • journal-article
CRiSOL: Opinion know ledge-base for Spanish,CRiSOL: Base de conocimiento de opiniones para el Español
AUTHORS: González, M.D.M.; Cámara, E.M.; Valdivia, M.T.M.

Procesamiento del Lenguaje Natural

  • 2015
  • journal-article
CRiSOL: Opinion Knowledge-base for Spanish
AUTHORS: Dolores Molina Gonzalez, M.; Martinez Camara, Eugenio; Teresa Martin Valdivia, M.

Procesamiento de Lenguaje Natural

  • 2015
  • journal-article
Ensemble classifier for Twitter Sentiment Analysis
AUTHORS: Martínez-Cámara, E.; Gutiérrez-Vázquez, Y.; Fernández, J.; Montejo-Ráez, A.; Muñoz-Guillena, R.

CEUR Workshop Proceedings

  • 2015
  • conference-paper
eSOLHotel: Building an Spanish opinion lexicon adapted to the tourism domain
AUTHORS: Dolores Molina Gonzalez, M.; Martinez Camara, Eugenio; Teresa Martin Valdivia, M.; Jimenez Zafra, Salud M.

Procesamiento de Lenguaje Natural

  • 2015
  • journal-article
ESOLHotel: Building an Spanish opinion lexicon adapted to the tourism domain,eSOLHotel: Generación de un lexicón de opinión en español adaptado al dominio turístico
AUTHORS: González, M.D.M.; Cámara, E.M.; Valdivia, M.T.M.; Zafra, S.M.J.

Procesamiento del Lenguaje Natural

  • 2015
  • journal-article
Improving spanish polarity classification combining different linguistic resources
AUTHORS: Martínez-Cámara, E.; Cruz, F.L.; Dolores Molina-González, M.; Teresa Martín-Valdivia, M.; Javier Ortega, F.; Alfonso Ureña-López, L.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

  • 2015
  • conference-paper
Language technologies applied to document simplification for helping autistic people
AUTHORS: Barbu, E.; Martín-Valdivia, M.T.; Martínez-Cámara, E.; Ureña-López, L.A.

Expert Systems with Applications

  • 2015
  • journal-article
Negation Scope Identification in Spanish Reviews
AUTHORS: Jimenez Zafra, Salud M.; Martinez Camara, Eugenio; Teresa Martin Valdivia, M.; Dolores Molina Gonzalez, M.

Procesamiento de Lenguaje Natural

  • 2015
  • journal-article
Negation scope identification in Spanish Reviews,Tratamiento de la Negación en el Análisis de Opiniones en Español
AUTHORS: Zafra, S.M.J.; Camara, E.M.; Valdivia, M.T.M.; González, M.D.M.

Procesamiento del Lenguaje Natural

  • 2015
  • journal-article
Polarity classification for Spanish tweets using the COST corpus
AUTHORS: Martínez-Cámara, E.; Martín-Valdivia, M.T.; Ureña-López, L.A.; Mitkov, R.

Journal of Information Science

  • 2015
  • journal-article
SINAI: Syntactic approach for Aspect Based Sentiment Analysis
AUTHORS: Jiménez-Zafra, S.M.; Martínez-Cámara, E.; Martín-Valdivia, M.T.; Ureña-López, L.A.

SemEval 2015 - 9th International Workshop on Semantic Evaluation, co-located with the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL-HLT 2015 - Proceedings

  • 2015
  • conference-paper
TASS 2014 – The challenge of aspect-based sentiment analysis
AUTHORS: Román, J.V.; Morera, J.G.; Cámara, E.M.; Zafra, S.M.J.

Procesamiento de Lenguaje Natural

  • 2015
  • journal-article
A knowledge-based approach for polarity classification in Twitter
AUTHORS: Montejo-Ráez, A.; Martínez-Cámara, E.; Martín-Valdivia, M.T.; Ureña-López, L.A.

Journal of the American Society for Information Science and Technology

  • 2014
  • journal-article
Challenges of sentiment analysis,Desafíos del Análisis de Sentimientos
AUTHORS: Zafra, S.M.J.; Cámara, E.M.; Valdivia, M.T.M.; López, L.A.U.

CEUR Workshop Proceedings

  • 2014
  • conference-paper
Cross-domain sentiment analysis using Spanish opinionated words
AUTHORS: Molina-González, M.D.; Martínez-Cámara, E.; Martín-Valdivia, M.T.; Ureña-López, L.A.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

  • 2014
  • conference-paper
FIRST (Flexible Interactive Reading Support Tool) project: developing a tool for helping autistic people by document simplification
AUTHORS: Martin Valdivia, Maria-Teresa; Martinez Camara, Eugenio; Barbu, Eduard; Alfonso Ureina Lopez, L.; Moreda, Paloma; Lloret, Elena

Procesamiento de Lenguaje Natural

  • 2014
  • journal-article
FIRST (flexible interactive reading support tool) project: Developing a tool for helping autistic people by document simplification,Proyecto FIRST (flexible interactive reading support tool): Desarrollo de una herramienta para ayudar a personas con autismo mediante la simplificación de textos
AUTHORS: Valdivia, M.-T.M.; Cámara, E.M.; Barbu, E.; López, L.A.U.; Moreda, P.; Lloret, E.

Procesamiento del Lenguaje Natural

  • 2014
  • journal-article
Integrating Spanish lexical resources by meta-classifiers for polarity classification
AUTHORS: Martínez-Cámara, E.; Martín-Valdivia, M.T.; Molina-González, M.D.; Perea-Ortega, J.M.

Journal of Information Science

  • 2014
  • journal-article
Ranked WordNet graph for Sentiment Polarity Classification in Twitter
AUTHORS: Montejo-Ráez, A.; Martínez-Cámara, E.; Martín-Valdivia, M.T.; Ureña-López, L.A.

Computer Speech and Language

  • 2014
  • journal-article
Sentiment analysis in Twitter
AUTHORS: Martínez-Cámara, E.; Martín-Valdivia, M.T.; Ureña-López, L.A.; Montejo-Ráez, A.R.

Natural Language Engineering

  • 2014
  • journal-article
SINAI: Voting System for Aspect Based Sentiment Analysis
AUTHORS: Jiménez-Zafra, S.M.; Martínez-Cámara, E.; Martín-Valdivia, M.T.; Ureña-López, L.A.

8th International Workshop on Semantic Evaluation, SemEval 2014 - co-located with the 25th International Conference on Computational Linguistics, COLING 2014, Proceedings

  • 2014
  • conference-paper
SINAI: Voting System for Twitter Sentiment Analysis
AUTHORS: Martínez-Cámara, E.; Jiménez-Zafra, S.M.; Martín-Valdivia, M.T.; Ureña-López, L.A.

8th International Workshop on Semantic Evaluation, SemEval 2014 - co-located with the 25th International Conference on Computational Linguistics, COLING 2014, Proceedings

  • 2014
  • conference-paper
Bilingual Experiments on an Opinion Comparable Corpus
AUTHORS: Martínez-Cámara, E.; Martín-Valdivia, M.T.; Molina-González, M.D.; Ureña-López, L.A.

WASSA 2013 - 4th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis, Proceedings

  • 2013
  • conference-paper
Combining supervised and unsupervised polarity classification for non-English reviews
AUTHORS: Perea-Ortega, J.M.; Martínez-Cámara, E.; Martín-Valdivia, M.-T.; Ureña-López, L.A.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

  • 2013
  • conference-paper
Improving polarity classification of bilingual parallel corpora combining machine learning and semantic orientation approaches
AUTHORS: Perea-Ortega, J.M.; Martín-Valdivia, M.T.; Ureña-López, L.A.; Martínez-Cámara, E.

Journal of the American Society for Information Science and Technology

  • 2013
  • journal-article
Semantic orientation for polarity classification in Spanish reviews
AUTHORS: Molina-González, M.D.; Martínez-Cámara, E.; Martín-Valdivia, M.-T.; Perea-Ortega, J.M.

Expert Systems with Applications

  • 2013
  • journal-article
Sentiment polarity detection in Spanish reviews combining supervised and unsupervised approaches
AUTHORS: Martín-Valdivia, M.-T.; Martínez-Cámara, E.; Perea-Ortega, J.-M.; Ureña-López, L.A.

Expert Systems with Applications

  • 2013
  • journal-article
SINAI at TASS 2012
AUTHORS: Martinez Camara, Eugenio; Angel Garcia Cumbreras, M.; Teresa Martin Valdivia, M.; Alfonso Urelia Lopez, L.

Procesamiento de Lenguaje Natural

  • 2013
  • journal-article
SINAI at TASS 2012,SINAI en TASS 2012
AUTHORS: Cámara, E.M.; García Cumbreras, M.A.; Martín Valdivia, M.T.; Ureña López, L.A.

Procesamiento del Lenguaje Natural

  • 2013
  • conference-paper
SINAI at twitter-normalization 2013
AUTHORS: Ráez, A.M.; Galiano, M.C.D.; Cámara, E.M.; Valdivia, M.T.M.; Cumbreras, M.A.G.; Lopez, L.A.U.

CEUR Workshop Proceedings

  • 2013
  • conference-paper
SINAI: Machine learning and emotion of the crowd for sentiment analysis in microblogs
AUTHORS: Martínez-Cámara, E.; Montejo-Ráez, A.; Martín-Valdivia, M.T.; Ureña-López, L.A.

*SEM 2013 - 2nd Joint Conference on Lexical and Computational Semantics

  • 2013
  • conference-paper
TASS – Workshop on sentiment analysis at SEPLN
AUTHORS: Villena-Román, J.; Lana-Serrano, S.; Martínez-Cámara, E.; González-Cristóbal, J.C.

Procesamiento del Lenguaje Natural

  • 2013
  • conference-paper
A non supervised method for sentiment polarity detection on reported speech from news
AUTHORS: Montejo-Radez, A.; Martinez-Camara, E.; Martin-Valdivia, M. T.; Urena-Lopez, L. A.

Procesamiento de Lenguaje Natural

  • 2012
  • journal-article
A non supervised method for sentiment polarity detection on reported speech from news,Detección de la polaridad en citas periodísticas: Una solución no supervisada
AUTHORS: Montejo-Ráez, A.; Martínez-Cámara, E.; Martín-Valdivia, M.T.; Ureña-López, L.A.

Procesamiento del Lenguaje Natural

  • 2012
  • journal-article
RandomWalk Weighting over SentiWordNet for Sentiment Polarity Detection on Twitter
AUTHORS: Montejo-Ŕaez, A.; Martinez-Ćamara, E.; Martin-Valdivia, M.T.; na-Ĺopez, L.A.U.

Proceedings of the Annual Meeting of the Association for Computational Linguistics

  • 2012
  • conference-paper
MarUja: Virtual assistant prototype for the Catalogue of the Computing Service of the University of Jaén,MarUja: Prototipo de asistente virtual para la Carta de Servicios del Servicio de Informática de la Universidad de Jaén
AUTHORS: Martínez Cámara, E.; Ureña López, L.A.; Perea Ortega, J.M.

Procesamiento del Lenguaje Natural

  • 2011
  • journal-article
MarUja: Virtual Assistant prototype for the Catalogue of the Computing Service of the University of Jaen
AUTHORS: Martinez Camara, Eugenio; Alfonso Urena Lopez, L.; Perea Ortega, Jose M.

Procesamiento de Lenguaje Natural

  • 2011
  • journal-article
MarUja: Virtual assistant prototype for the computing service catalogue of the University of Jaén
AUTHORS: Martínez-Cámara, E.; Ureña-López, L.A.; Perea-Ortega, J.M.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

  • 2011
  • conference-paper
MarUja: Virtual Assistant Prototype for the Computing Service Catalogue of the University of Jaen
AUTHORS: Martinez-Camara, Eugenio; Alfonso Urena-Lopez, L.; Perea-Ortega, Jose M.

Lecture Notes in Computer Science

  • 2011
  • journal-article
Opinion classification techniques applied to a Spanish corpus
AUTHORS: Martínez-Cámara, E.; Martín-Valdivia, M.T.; Ureña-López, L.A.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

  • 2011
  • conference-paper
Opinion classification techniques applied to a Spanish corpus
AUTHORS: Martinez Camara, Eugenio; Martin Valdivia, M. Teresa; Perea Ortega, Jose M.; Urena Lopez, L. Alfonso

Procesamiento de Lenguaje Natural

  • 2011
  • journal-article
Opinion classification techniques applied to a Spanish corpus,Técnicas de clasificación de opiniones aplicadas a un corpus en Español
AUTHORS: Martínez Cámara, E.; Martín Valdivia, M.T.; Perea Ortega, J.M.; Ureña López, L.A.

Procesamiento del Lenguaje Natural

  • 2011
  • journal-article
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