Extracting semantic clusters from the alignment of definitions. - Gerardo Sierra; John McNaught (COLING, 2000)

Extraction of Semantic Clusters for Terminological Information Retrieval from MRDs. - Gerardo Sierra; John McNaught (LREC, 2000)

Identification of Recurrent Patterns to Extract Definitory Contexts. - Gerardo Sierra; Rodrigo Alarcón (CICLing, 2002)

Natural Language System for Terminological Information Retrieval. - Gerardo Sierra; John McNaught (CICLing, 2003)

An improved algorithm for semantic clustering. - Gabriel Castillo; Gerardo Sierra; John McNaught (ISICT, 2003)

Serendipitous Wording of POS Tags to Extract Semantic Pairs of Words from Dictionary Definitions. - Gerardo Sierra; John McNaught (International Conference on Computational Intelligence, 2004)

Extracción automática de contextos definitorios en textos especializados. - Gerardo Eugenio Sierra Martínez; Rodrigo Alarcón; César Antonio Aguilar (Proces. del Leng. Natural, 2006)

ECODE: A Definition Extraction System. - Rodrigo Alarcón; Gerardo Sierra; Carme Bach (LTC, 2007)

An Improved Automatic Term Recognition Method for Spanish. - Alberto Barrón-Cedeño; Gerardo Sierra; Patrick Drouin; Sophia Ananiadou (CICLing, 2009)

Web Exploitation for Definition Extraction. - Gerardo Sierra; Rodrigo Alarcón; Alejandro Molina-Villegas; Edwin Aldana (LA-WEB/CLIHC, 2009)

Extracción de contextos definitorios en textos de especialidad a partir del reconocimiento de patrones lingüísticos. - Gerardo Sierra (Linguamática, 2009)

Reconocimiento de definiciones asociadas a frases predicativas en contextos definitorios. - César Antonio Aguilar; Gerardo Sierra (Proces. del Leng. Natural, 2009)

The GIL Summarizers: Experiments in the Track QA@INEX'10. - Edmundo-Pavel Soriano-Morales; Alfonso Medina Urrea; Gerardo Eugenio Sierra Martínez; Carlos-Francisco Méndez-Cruz (INEX, 2010)

Recognition and extraction of definitional contexts in Spanish for sketching a lexical network. - César Antonio Aguilar; Olga Acosta; Gerardo Sierra (NAACL (Young Investigators Workshop), 2010)

On the Development of the RST Spanish Treebank. - Iria da Cunha; Juan-Manuel Torres-Moreno; Gerardo Sierra (Linguistic Annotation Workshop, 2011)

Automatic classification of biomedical texts: Experiments with a hearing loss corpus. - Fatima-Itzel Ronquillo; Conception Perez de Celis; Gerardo Sierra; Iria da Cunha; Juan-Manuel Torres-Moreno (BMEI, 2011)

Automatic Specialized vs. Non-specialized Sentence Differentiation. - Iria da Cunha; M. Teresa Cabré; Eric SanJuan; Gerardo Sierra; Juan-Manuel Torres-Moreno; Jorge Vivaldi (CICLing (2), 2011)

Discourse Segmentation for Sentence Compression. - Alejandro Molina-Villegas; Juan-Manuel Torres-Moreno; Eric SanJuan; Iria da Cunha; Gerardo Sierra; Patricia Velázquez-Morales (MICAI (1), 2011)

The RST Spanish Treebank On-line Interface. - Iria da Cunha; Juan-Manuel Torres-Moreno; Gerardo Sierra; Luis Adrián Cabrera-Diego; Brenda Gabriela Castro Rolón; Juan Miguel Rolland Bartilotti (RANLP, 2011)

A Symbolic Approach for Automatic Detection of Nuclearity and Rhetorical Relations among Intra-sentence Discourse Segments in Spanish. - Iria da Cunha; Eric SanJuan; Juan-Manuel Torres-Moreno; M. Teresa Cabré; Gerardo Sierra (CICLing (1), 2012)

Using Wikipedia to Validate the Terminology found in a Corpus of Basic Textbooks. - Jorge Vivaldi; Luis Adrián Cabrera-Diego; Gerardo Sierra; María Pozzi (LREC, 2012)

Extrinsic Evaluation on Automatic Summarization Tasks: Testing Affixality Measurements for Statistical Word Stemming. - Carlos-Francisco Méndez-Cruz; Juan-Manuel Torres-Moreno; Alfonso Medina Urrea; Gerardo Sierra (MICAI (2), 2012)

Sentence Compression in Spanish driven by Discourse Segmentation and Language Models - Alejandro Molina-Villegas; Juan-Manuel Torres-Moreno; Iria da Cunha; Eric SanJuan; Gerardo Sierra (CoRR, 2012)

Using Relational Adjectives for Extracting Hyponyms from Medical Texts. - Olga Acosta; César Antonio Aguilar; Gerardo Sierra (AIC@AI*IA, 2013)

Discursive Sentence Compression. - Alejandro Molina-Villegas; Juan-Manuel Torres-Moreno; Eric SanJuan; Iria da Cunha; Gerardo Eugenio Sierra Martínez (CICLing (2), 2013)

Automatic Construction of the Knowledge Base of an Onomasiological Dictionary. - Gerardo Eugenio Sierra Martínez; Laura Elena Hernández Domínguez (VDOS+DO@ICBO, 2013)

Analysis and Transformation of Textual Energy Distribution. - Alejandro Molina-Villegas; Juan-Manuel Torres-Moreno; Eric SanJuan; Gerardo Sierra; Julio Rojas-Mora (MICAI (Special Sessions), 2013)

SIMTEX: An Approach for Detecting and Measuring Textual Similarity based on Discourse and Semantics. - Iria da Cunha; Jorge Vivaldi; Juan-Manuel Torres-Moreno; Gerardo Sierra (Computación y Sistemas, 2014)

A German Corpus for Similarity Detection Tasks. - Juan-Manuel Torres-Moreno; Gerardo Sierra; Peter Peinl (Int. J. Comput. Linguistics Appl., 2014)

Tweets Classification using Corpus Dependent Tags, Character and POS N-grams. - Carlos E. González-Gallardo; Azucena Montes; Gerardo Sierra; J. Antonio Nuñez-Juárez; Adolfo Jonathan Salinas-López; Juan Ek (CLEF (Working Notes), 2015)

Authorship Verification by combining SVMs with Kernels Optimized for Different Feature Categories. - Julián Solórzano-Soto; Victor Mijangos; Alejandro Pimentel; Fernanda López-Escobedo; Azucena Montes; Gerardo Sierra (CLEF (Working Notes), 2015)

NLP Methodology as Guidance and Verification of the Data Mining of Survey ENSANUT 2012. - Víctor Manuel Corza Vargas; Christopher R. Stephens; Gerardo Eugenio Sierra Martínez; Azucena Montes Rendón (MICAI (2), 2015)

Regroupement sémantique de définitions en espagnol. - Gerardo Sierra; Juan-Manuel Torres-Moreno; Alejandro Molina-Villegas (CoRR, 2015)

Automatic Text Summarization by Non-topic Relevance Estimation. - Ignacio Arroyo-Fernández; Juan-Manuel Torres-Moreno; Gerardo Sierra; Luis Adrián Cabrera-Diego (KDIR, 2016)

Efficient Social Network Multilingual Classification using Character, POS n-grams and Dynamic Normalization. - Carlos-Emiliano González-Gallardo; Juan-Manuel Torres-Moreno; Azucena Montes Rendón; Gerardo Sierra (KDIR, 2016)

Axolotl: a Web Accessible Parallel Corpus for Spanish-Nahuatl. - Ximena Gutierrez-Vasques; Gerardo Sierra; Isaac Hernandez Pompa (LREC, 2016)

Towards an Automatic Generation of a Proverbs Bank for Neurological Studies. - Gemma Bel Enguix; Gerardo Sierra; Alejandro Dorantes; Alejandro Pimentel; Alan Carrillo; Magda Giordano (MICAI (Special Session), 2016)

An Unsupervised Approach for Automatic Discovery of Metadata in Document Images. - Carlos Morales-Solares; Gerardo Sierra; Boris Escalante-Ramírez (MICAI (Special Session), 2016)

An Improved Automated Definition Extraction Method Based on Lexicographic and Lexico-Semantic Features. - Alejandro Pimentel; Gerardo Sierra; Claudio Molina (MICAI (Special Session), 2016)

LEXIK. An Integrated System for Specialized Terminology. - Gerardo Sierra; Jorge Lázaro; Gemma Bel Enguix (MICAI (1), 2016)

Analysis of Intertextual Distances Using Multidimensional Scaling in the Context of Authorship Attribution. - Fernanda López-Escobedo; Julián Solórzano-Soto; Gerardo Eugenio Sierra Martínez (J. Quant. Linguistics, 2016)

Perfilado de autor multilingüe en redes sociales a partir de n-gramas de caracteres y de etiquetas gramaticales. - Carlos-Emiliano González-Gallardo; Juan-Manuel Torres-Moreno; Azucena Montes Rendón; Gerardo Sierra (Linguamática, 2016)

Extracción de contextos definitorios en el área de biomedicina. - César Antonio Aguilar; Olga Acosta; Gerardo Sierra; Sergio Juárez; Tomás Infante (Proces. del Leng. Natural, 2016)

Unsupervised morphological segmentation based on affixality measurements. - Carlos-Francisco Méndez-Cruz; Alfonso Medina Urrea; Gerardo Sierra (Pattern Recognit. Lett., 2016)

A Word Embeddings Model for Sentence Similarity. - Victor Mijangos; Gerardo Sierra; Abel Herrera (Res. Comput. Sci., 2016)

Let's Agree to Disagree: Measuring Agreement between Annotators for Opinion Mining Task. - Octavio Sánchez-Velázquez; Gerardo Sierra (Res. Comput. Sci., 2016)

Criminal Events Detection in News Stories Using Intuitive Classification. - Luis-Gil Moreno-Jiménez; Juan-Manuel Torres-Moreno; Noé Alejandro Castro-Sánchez; Alondra Nava-Zea; Gerardo Sierra (MICAI (2), 2017)

Preface: Recent Advances in Natural Language Processing. - Gerardo Eugenio Sierra Martínez; César Antonio Aguilar (CLEI Electron. J., 2017)

Dictionaries of Mexican Sexual Slang for NLP. - Roberto Villarejo-Martínez; Noé Alejandro Castro-Sánchez; Gerardo Eugenio Sierra Martínez (CLEI Electron. J., 2017)

A German Corpus for Text Similarity Detection Tasks. - Juan-Manuel Torres-Moreno; Gerardo Sierra; Peter Peinl (CoRR, 2017)

Extracción automática de definiciones analíticas y relaciones semánticas de hiponimia-hiperonimia con un sistema basado en patrones lingüísticos. - Miguel Alejandro Dorantes; Alejandro Pimentel; Gerardo Sierra; Gemma Bel Enguix; Claudio Molina (Linguamática, 2017)

GECO, un Gestor de Corpus colaborativo basado en web. - Gerardo Sierra; Julián Solórzano-Soto; Arturo Curiel Díaz (Linguamática, 2017)

Sentence level matrix representation for document spectral clustering. - Victor Mijangos; Gerardo Sierra; Azucena Montes (Pattern Recognit. Lett., 2017)

Genex+, a Semantic-based Automatic Extractor of Examples Applied to Bilingual Terms. - Jorge Lázaro; Juan-Manuel Torres-Moreno; Gerardo Sierra; M. Teresa Cabré; Andrés Torres (Res. Comput. Sci., 2017)

Sociolinguistic Corpus of WhatsApp Chats in Spanish among College Students. - Miguel Alejandro Dorantes; Gerardo Sierra; Tlauhlia Yamín Donohue Pérez; Gemma Bel Enguix; Mónica Jasso Rosales (SocialNLP@ACL, 2018)

Challenges of language technologies for the indigenous languages of the Americas. - Manuel Mager; Ximena Gutierrez-Vasques; Gerardo Sierra; Iván V. Meza-Ruíz (COLING, 2018)

Towards a Natural Language Compiler. - Angel Zúñiga; Gerardo Sierra; Gemma Bel Enguix; Sofía N. Galicia-Haro (MICAI (2), 2018)

A Machine Learning Approach for Detecting Aggressive Tweets in Spanish. - Helena Gómez-Adorno; Gemma Bel Enguix; Gerardo Sierra; Octavio Sánchez; Daniela Quezada (IberEval@SEPLN, 2018)

Stylometry-based Approach for Detecting Writing Style Changes in Literary Texts. - Helena Gómez-Adorno; Germán Ríos-Toledo; Juan Pablo Posadas-Durán; Grigori Sidorov; Gerardo Sierra (Computación y Sistemas, 2018)

Rhetorical Relations in the Speech of Alzheimer's Patients and Healthy Elderly Subjects: An Approach from the RST. - Anayeli Paulino; Gerardo Sierra; Laura Hernández-Domínguez; Iria da Cunha; Gemma Bel Enguix (Computación y Sistemas, 2018)

Representaciones vectoriales de palabras de un corpus de normas de asociación. - Jorge Reyes-Magaña; Helena Gómez-Adorno; Gemma Bel Enguix; Gerardo Sierra (Res. Comput. Sci., 2018)

A Parallel Corpus Mixtec-Spanish. - Cynthia Montaño; Gerardo Eugenio Sierra Martínez; Gemma Bel-Enguix; Helena Gómez-Adorno (WNLP@ACL, 2019)

Spanish Word Embeddings Learned on Word Association Norms. - Helena Gómez-Adorno; Jorge Reyes-Magaña; Gemma Bel-Enguix; Gerardo Sierra (AMW, 2019)

Detection of Aggressive Tweets in Mexican Spanish Using Multiple Features with Parameter Optimization. - Germán Ortiz; Helena Gómez-Adorno; Jorge Reyes-Magaña; Gemma Bel-Enguix; Gerardo Sierra (IberLEF@SEPLN, 2019)

Design and Testing of a Corpus for Forensic Speaker Recognition Using MFCC, GMM and MLE. - Abel Herrera Camacho; Adrián Zúñiga-Sainos; Gerardo Eugenio Sierra Martínez; José Trangol-Curipe; Margarita Mota Montoya; Adonay Jarquín-Casas (VSIP, 2019)

Unsupervised sentence representations as word information series: Revisiting TF-IDF. - Ignacio Arroyo-Fernández; Carlos-Francisco Méndez-Cruz; Gerardo Sierra; Juan-Manuel Torres-Moreno; Grigori Sidorov (Comput. Speech Lang., 2019)

A Lexical Search Model based on word association norms. - Jorge Reyes-Magaña; Gemma Bel Enguix; Helena Gómez-Adorno; Gerardo Sierra (J. Intell. Fuzzy Syst., 2019)

Joint Sentiment Topic Model for objective text clustering. - Octavio Sánchez; Gerardo Sierra (J. Intell. Fuzzy Syst., 2019)

SAUTEE: un recurso en línea para análisis estilométricos. - Fernanda López-Escobedo; Gerardo Sierra; Julián Solórzano-Soto (Linguamática, 2019)

Análisis comparativo de las características computacionales en los sistemas modernos de análisis de sentimiento para el español. - Edgar Casasola; Alejandro Pimentel; Gerardo Sierra; Eugenio Martínez Cámara; Gabriela Marín (Proces. del Leng. Natural, 2019)

Morphological segmentation for extracting Spanish-Nahuatl bilingual lexicon. - Ximena Gutierrez-Vasques; Alfonso Medina Urrea; Gerardo Sierra (Proces. del Leng. Natural, 2019)

Extracción semiautomática de metadatos en documentos no estructurados utilizando procesamiento de lenguaje natural y propiedades tipográficas. - Alberto Iturbe Herrera; Azucena Montes Rendón; Juan-Manuel Torres-Moreno; Gerardo Eugenio Sierra Martínez; Noé Alejandro Castro-Sánchez; Juan Gabriel González Serna (Res. Comput. Sci., 2019)

Wan2vec: Embeddings learned on word association norms. - Gemma Bel-Enguix; Helena Gómez-Adorno; Jorge Reyes-Magaña; Gerardo Sierra (Semantic Web, 2019)

Temporal Relations Annotation and Extrapolation Based on Semi-intervals and Boundig Relations. - Alejandro Pimentel; Gemma Bel Enguix; Gerardo Eugenio Sierra Martínez; Azucena Montes (COLING, 2020)

Complexity as a Paradigm for Social Sciences and Linguistics: Theoretical Basis and Perspectives. - Gemma Bel-Enguix; Ángels Massip-Bonet; Gerardo Sierra (COMPLEXIS, 2020)

Enhancing Job Searches in Mexico City with Language Technologies. - Gerardo Eugenio Sierra Martínez; Gemma Bel-Enguix; Helena Gómez-Adorno; Juan-Manuel Torres-Moreno; Tonatiuh Hernández-García; Julio V. Guadarrama-Olvera; Jesús-Germán Ortiz-Barajas; Ángela María Rojas; Tomas Damerau; Soledad Aragón Martínez (LT4Gov@LREC, 2020)

CPLM, a Parallel Corpus for Mexican Languages: Development and Interface. - Gerardo Eugenio Sierra Martínez; Cynthia Montaño; Gemma Bel-Enguix; Diego Córdova; Margarita Mota Montoya (LREC, 2020)

An Exploration of Personality Traits Detection in a Spanish Twitter Corpus. - Gerardo Sierra; Gemma Bel-Enguix; Alejandro Osornio-Arteaga; Adriana Cabrera-Mora; Luis García-Nieto; Alfredo Bustos; Ana-Miriam Romo-Anaya; Víctor Silva-Cuevas (RaPID@LREC, 2020)

Evaluation of Similarity Measures in a Benchmark for Spanish Paraphrasing Detection - 19th Mexican International Conference on Artificial Intelligence. - Helena Gómez-Adorno; Gemma Bel-Enguix; Gerardo Sierra; Juan-Manuel Torres-Moreno; Renata Martinez; Pedro Serrano (MICAI (2), 2020)

SICIoT: A simple instruction compiler for the Internet of Things. - Angel Zúñiga; Gerardo Sierra; Gemma Bel-Enguix; Javier Gomez 001 (Internet Things, 2020)

Research Trends in the International Literature on Natural Language Processing, 2000-2019 — A Bibliometric Study. - Roberto E. Lopez-Martinez; Gerardo Sierra (J. Sci. Res., 2020)

Exploring the communication functions of comments during bug fixing in Open Source Software projects. - Sandra L. Ramirez-Mora; Hanna Oktaba; Helena Gómez-Adorno; Gerardo Sierra (Inf. Softw. Technol., 2021)

A case study in authorship attribution: The Mondrigo. - Gerardo Sierra; Tonatiuh Hernández-García; Helena Gómez-Adorno; Gemma Bel-Enguix (J. Intell. Fuzzy Syst., 2022)

Overview of PAR-MEX at Iberlef 2022: Paraphrase Detection in Spanish Shared Task. - Gemma Bel-Enguix; Gerardo Sierra; Helena Gómez-Adorno; Juan-Manuel Torres-Moreno; Jesús-Germán Ortiz-Barajas; Juan Vásquez (Proces. del Leng. Natural, 2022)

LexAN: Lexical Association Networks. - Jorge Reyes-Magaña; Gerardo Sierra; Gemma Bel-Enguix; Helena Gómez-Adorno (Computación y Sistemas (CyS), 2023)

Overview of HOMO-MEX at Iberlef 2023: Hate speech detection in Online Messages directed Towards the MEXican Spanish speaking LGBTQ+ population. - Gemma Bel-Enguix; Helena Gómez-Adorno; Gerardo Sierra; Juan Vásquez; Scott Thomas Andersen; Sergio Ojeda-Trueba (Proces. del Leng. Natural, 2023)

Information Retrieval Techniques for Question Answering based on Pre-Trained Language Models. - Ángel Cadena; Francisco F. López-Ponce; Gerardo Sierra; Jorge Lázaro; Sergio-Luis Ojeda-Trueba (Res. Comput. Sci., 2023)

Sistemas de clasificación aplicados a la detección de paráfrasis. - Francisco F. López-Ponce; Gerardo Sierra; Gemma Bel Enguix (Res. Comput. Sci., 2023)

JK_PCIC_UNAM at CheckThat! 2024: Analysis of Subjectivity in News Sentences Using Transformers-Based Models. - Karla Salas-Jimenez; Iván Díaz; Helena Gómez-Adorno; Gemma Bel-Enguix; Gerardo Sierra (CLEF (Working Notes), 2024)

PCICUNAM at WASSA 2024: Cross-lingual Emotion Detection Task with Hierarchical Classification and Weighted Loss Functions. - Jesús Vázquez-Osorio; Gerardo Sierra; Helena Gómez-Adorno; Gemma Bel-Enguix (WASSA, 2024)

Machine Learning and Deep Learning Sentiment Analysis Models: Case Study on the SENT-COVID Corpus of Tweets in Mexican Spanish. - Helena Gómez-Adorno; Gemma Bel-Enguix; Gerardo Sierra; Juan-Carlos Barajas; William Alvarez-Giron (Informatics, 2024)

Disagreement in Metaphor Annotation of Mexican Spanish Science Tweets. - Alec Sánchez-Montero; Gemma Bel-Enguix; Sergio-Luis Ojeda-Trueba; Gerardo Sierra (COLING Workshops, 2025)

An aligned corpus of Spanish bibles. - Gerardo Sierra; Gemma Bel-Enguix; Ameyali Díaz-Velasco; Natalia Guerrero-Cerón; Núria Bel (Lang. Resour. Evaluation, 2025)