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862 results on '"Bautista, Maria A."'

1. Exploring social bots: A feature-based approach to improve bot detection in social networks

Author

Lopez-Joya, Salvador, Diaz-Garcia, Jose A., Ruiz, M. Dolores, and Martin-Bautista, Maria J.

Subjects
Computer Science - Social and Information Networks, Computer Science - Artificial Intelligence, Computer Science - Machine Learning
Abstract

The importance of social media in our daily lives has unfortunately led to an increase in the spread of misinformation, political messages and malicious links. One of the most popular ways of carrying out those activities is using automated accounts, also known as bots, which makes the detection of such accounts a necessity. This paper addresses that problem by investigating features based on the user account profile and its content, aiming to understand the relevance of each feature as a basis for improving future bot detectors. Through an exhaustive process of research, inference and feature selection, we are able to surpass the state of the art on several metrics using classical machine learning algorithms and identify the types of features that are most important in detecting automated accounts.

Published
2024

2. User-Friendly Health-Conscious Recipe Adaptation System Using Fuzzy Linguistic Variables

Author

Morales-Garzón, Andrea, Morcillo-Jiménez, Roberto, Gutiérrez-Batista, Karel, Martin-Bautista, Maria J., Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Lesot, Marie-Jeanne, editor, Vieira, Susana, editor, Reformat, Marek Z., editor, Carvalho, João Paulo, editor, Batista, Fernando, editor, Bouchon-Meunier, Bernadette, editor, and Yager, Ronald R., editor

Published
2025
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3. Why a Bot is Undetectable? An Explainability-Based Study of Misclassified Automated Accounts in Social Networks

Author

López-Joya, Salvador, Díaz-García, José Ángel, Ruiz, María Dolores, Martín-Bautista, María José, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Lesot, Marie-Jeanne, editor, Vieira, Susana, editor, Reformat, Marek Z., editor, Carvalho, João Paulo, editor, Batista, Fernando, editor, Bouchon-Meunier, Bernadette, editor, and Yager, Ronald R., editor

Published
2025
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4. Liars Know How to Argue: An Approach to Disinformation Analysis Based on Argument Mining

Author

Diaz-Garcia, Jose Angel, Ruiz, M. Dolores, Martin-Bautista, Maria J., Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Lesot, Marie-Jeanne, editor, Vieira, Susana, editor, Reformat, Marek Z., editor, Carvalho, João Paulo, editor, Batista, Fernando, editor, Bouchon-Meunier, Bernadette, editor, and Yager, Ronald R., editor

Published
2025
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5. Unveiling Hidden Patterns in Clinical Databases: A Novel Approach Using Level-by-Level Association Rule Mining

Author

Ortiz-Viso, Bartolome, Fernandez-Basso, Carlos, Dolores Ruiz, M., Martin-Bautista, Maria J., Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Lesot, Marie-Jeanne, editor, Vieira, Susana, editor, Reformat, Marek Z., editor, Carvalho, João Paulo, editor, Batista, Fernando, editor, Bouchon-Meunier, Bernadette, editor, and Yager, Ronald R., editor

Published
2025
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6. Designing a Novel Fuzzy Association Rule Mining Algorithm for Federated Environments

Author

Fernandez-Basso, Carlos, Dolores Ruiz, M., Martin-Bautista, Maria J., Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Lesot, Marie-Jeanne, editor, Vieira, Susana, editor, Reformat, Marek Z., editor, Carvalho, João Paulo, editor, Batista, Fernando, editor, Bouchon-Meunier, Bernadette, editor, and Yager, Ronald R., editor

Published
2025
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14. Classification of Toxic Comments on Social Networks Using Machine Learning

Author

Revelo-Bautista, María Fernanda, Bedoya-Benavides, Jair Oswaldo, Sayago-Heredia, Jaime Paúl, Pico-Valencia, Pablo, Quiñonez-Ku, Xavier, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Botto-Tobar, Miguel, editor, Zambrano Vizuete, Marcelo, editor, Montes León, Sergio, editor, Torres-Carrión, Pablo, editor, and Durakovic, Benjamin, editor

Published
2024
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17. Identity of the reversible hole traps in InP/ZnSe core/shell quantum dots

Author

Kelley, Anne Myers, Cavanaugh, Paul, Sun, Haochen, Wang, Xudong, Bautista, Maria J, Plante, Ilan Jen-La, Ippen, Christian, and Kelley, David F

Subjects
Physical Sciences, Chemical Sciences, Engineering, Chemical Physics
Abstract

Density functional theory calculations are combined with time-resolved photoluminescence experiments to identify the species responsible for the reversible trapping of holes following photoexcitation of InP/ZnSe/ZnS core/shell/shell quantum dots (QDs) having excess indium in the shell [P. Cavanaugh et al., J. Chem. Phys. 155, 244705 (2021)]. Several possible assignments are considered, and a substitutional indium adjacent to a zinc vacancy, In3+/VZn 2-, is found to be the most likely. This assignment is consistent with the observation that trapping occurs only when the QD has excess indium and is supported by experiments showing that the addition of zinc oleate or acetate decreases the extent of trapping, presumably by filling some of the vacancy traps. We also show that the addition of alkyl carboxylic acids causes increased trapping, presumably by the creation of additional zinc vacancies. The calculations show that either a single In2+ ion or an In2+-In3+ dimer is much too easily oxidized to form the reversible traps observed experimentally, while In3+ is far too difficult to oxidize. Additional experimental data on InP/ZnSe/ZnS QDs synthesized in the absence of chloride demonstrates that the reversible traps are not associated with Cl-. However, a zinc vacancy adjacent to a substitutional indium is calculated to have its highest occupied orbitals about 1 eV above the top of the valence band of bulk ZnSe, in the appropriate energy range to act as reversible traps for quantum confined holes in the InP valence band. The associated orbitals are predominantly composed of p orbitals on the Se atoms adjacent to the Zn vacancy.

Published
2022

20. Federated Learning in Healthcare with Unsupervised and Semi-Supervised Methods

Author

Paños-Basterra, Juan, Ruiz, M. Dolores, Martin-Bautista, Maria J., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Larsen, Henrik Legind, editor, Martin-Bautista, Maria J., editor, Ruiz, M. Dolores, editor, Andreasen, Troels, editor, Bordogna, Gloria, editor, and De Tré, Guy, editor

Published
2023
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21. 'Health Is the Real Wealth': Unsupervised Approach to Improve Explainability in Health-Based Recommendation Systems

Author

Ortiz-Viso, Bartolome, Fernandez-Basso, Carlos, Gómez-Sánchez, Jesica, Martin-Bautista, Maria J., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Larsen, Henrik Legind, editor, Martin-Bautista, Maria J., editor, Ruiz, M. Dolores, editor, Andreasen, Troels, editor, Bordogna, Gloria, editor, and De Tré, Guy, editor

Published
2023
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22. Bot Detection in Twitter: An Overview

Author

Lopez-Joya, Salvador, Diaz-Garcia, J. Angel, Ruiz, M. Dolores, Martin-Bautista, Maria J., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Larsen, Henrik Legind, editor, Martin-Bautista, Maria J., editor, Ruiz, M. Dolores, editor, Andreasen, Troels, editor, Bordogna, Gloria, editor, and De Tré, Guy, editor

Published
2023
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23. The Promise of Query Answering Systems in Sexuality Studies: Current State, Challenges and Limitations

Author

Morales-Garzón, Andrea, Sánchez-Pérez, Gracia M., Sierra, Juan Carlos, Martin-Bautista, Maria J., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Larsen, Henrik Legind, editor, Martin-Bautista, Maria J., editor, Ruiz, M. Dolores, editor, Andreasen, Troels, editor, Bordogna, Gloria, editor, and De Tré, Guy, editor

Published
2023
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24. How Tasty Is This Dish? Studying User-Recipe Interactions with a Rating Prediction Algorithm and Graph Neural Networks

Author

Morales-Garzón, Andrea, Morcillo-Jimenez, Roberto, Gutiérrez-Batista, Karel, Martin-Bautista, Maria J., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Larsen, Henrik Legind, editor, Martin-Bautista, Maria J., editor, Ruiz, M. Dolores, editor, Andreasen, Troels, editor, Bordogna, Gloria, editor, and De Tré, Guy, editor

Published
2023
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25. 'Let It BEE': Natural Language Classification of Arthropod Specimens Based on Their Spanish Description

Author

Ortiz-Viso, Bartolome, Martin-Bautista, Maria J., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Larsen, Henrik Legind, editor, Martin-Bautista, Maria J., editor, Ruiz, M. Dolores, editor, Andreasen, Troels, editor, Bordogna, Gloria, editor, and De Tré, Guy, editor

Published
2023
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27. How Cabinet picks hit sexual abuse survivors

Author

Bautista, Maria

Subjects
Company legal issue, Sexual abuse -- Investigations, Legislators -- Investigations
Abstract

Byline: Marla Bautista, USA TODAY President-elect Donald Trump, no stranger to sexual misconduct allegations himself, nominated three men to fill positions in his Cabinet who have been accused of sexual [...]

Published
2025

34. Wastewater-based surveillance can be used to model COVID-19-associated workforce absenteeism

Author

Acosta, Nicole, Dai, Xiaotian, Bautista, Maria A., Waddell, Barbara J., Lee, Jangwoo, Du, Kristine, McCalder, Janine, Pradhan, Puja, Papparis, Chloe, Lu, Xuewen, Chekouo, Thierry, Krusina, Alexander, Southern, Danielle, Williamson, Tyler, Clark, Rhonda G., Patterson, Raymond A., Westlund, Paul, Meddings, Jon, Ruecker, Norma, Lammiman, Christopher, Duerr, Coby, Achari, Gopal, Hrudey, Steve E., Lee, Bonita E., Pang, Xiaoli, Frankowski, Kevin, Hubert, Casey R.J., and Parkins, Michael D.

Published
2023
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35. Campus node-based wastewater surveillance enables COVID-19 case localization and confirms lower SARS-CoV-2 burden relative to the surrounding community

Author

Lee, Jangwoo, Acosta, Nicole, Waddell, Barbara J., Du, Kristine, Xiang, Kevin, Van Doorn, Jennifer, Low, Kashtin, Bautista, Maria A., McCalder, Janine, Dai, Xiaotian, Lu, Xuewen, Chekouo, Thierry, Pradhan, Puja, Sedaghat, Navid, Papparis, Chloe, Buchner Beaudet, Alexander, Chen, Jianwei, Chan, Leslie, Vivas, Laura, Westlund, Paul, Bhatnagar, Srijak, Stefani, September, Visser, Gail, Cabaj, Jason, Bertazzon, Stefania, Sarabi, Shahrzad, Achari, Gopal, Clark, Rhonda G., Hrudey, Steve E., Lee, Bonita E., Pang, Xiaoli, Webster, Brendan, Ghali, William Amin, Buret, Andre Gerald, Williamson, Tyler, Southern, Danielle A., Meddings, Jon, Frankowski, Kevin, Hubert, Casey R.J., and Parkins, Michael D.

Published
2023
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36. Milton forced us to evacuate from Tampa

Author

Bautista, Maria

Subjects
Hurricane Milton, 2024, Natural disasters -- Economic aspects -- Psychological aspects -- Florida, Child mental health -- Management, Evacuation of civilians -- Florida, Parenting -- Methods, Hurricanes -- Influence -- Florida, Company business management, News, opinion and commentary
Abstract

Byline: Marla Bautista, USA TODAY As I sit on my bedroom closet floor, writing this column in the middle of preparing for Hurricane Milton, I can't help but think about [...]

Published
2024

38. Quantitative impact assessment of the 2019 tropical cyclone Kammuri lahars: Mayon volcano, Philippines

Author

Bautista, Maria Leonila P., Delos Reyes, Perla J., Santos, Erizza Rose U., Gaurino, Wendellmina A., Olfindo, Valerie Shayne V., Rivera, Dave Andrei V., Dizon, Margarita P., Maximo, Raymond Patrick R., Ativo, Samantha Claire J., Degones, Marinel F., Cabaluna, Selwyn B., Jr., Babon, Larissa Gabrielle O., Bautista, Bartolome C., Jenkins, Susanna F., and Solidum, Renato U., Jr.

Published
2023
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41. Tracking Emergence and Spread of SARS-CoV-2 Omicron Variant in Large and Small Communities by Wastewater Monitoring in Alberta, Canada

Author

Hubert, Casey R.J., Acosta, Nicole, Waddell, Barbara J.M., Hasing, Maria E., Qiu, Yuanyuan, Fuzzen, Meghan, Harper, Nathanael B.J., Bautista, Maria A., Gao, Tiejun, Papparis, Chloe, Van Doorn, Jenn, Du, Kristine, Xiang, Kevin, Chan, Leslie, Vivas, Laura, Pradhan, Puja, McCalder, Janine, Low, Kashtin, England, Whitney E., Kuzma, Darina, Conly, John, Ryan, M. Cathryn, Achari, Gopal, Hu, Jia, Cabaj, Jason L., Sikora, Chris, Svenson, Larry, Zelyas, Nathan, Servos, Mark, Meddings, Jon, Hrudey, Steve E., Frankowski, Kevin, Parkins, Michael D., Pang, Xiaoli 'Lilly', and Lee, Bonita E.

Subjects
Alberta -- Health aspects, Identification and classification, Distribution, Methods, Health aspects, Causes of, Environmental aspects, Company distribution practices, SARS-CoV-2 variants -- Identification and classification -- Distribution -- Environmental aspects, Epidemics -- Causes of -- Distribution -- Canada, Sentinel surveillance -- Methods, Environmental monitoring -- Methods, COVID-19 -- Causes of -- Distribution, Wastewater -- Health aspects, Sentinel health events -- Methods
Abstract

The COVID-19 pandemic has led to rapid scientific progress in wastewater-based surveillance of community infections. Measuring levels of RNA from SARS-CoV-2 in sewage samples began to be used as a [...]

Published
2022
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42. A Fuzzy-Based Approach for Cyberbullying Analysis

Author

Diaz-Garcia, J. Angel, Fernandez-Basso, Carlos, Gómez-Sánchez, Jesica, Gutiérrez-Batista, Karel, Ruiz, M. Dolores, Martin-Bautista, Maria J., Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Ciucci, Davide, editor, Couso, Inés, editor, Medina, Jesús, editor, Ślęzak, Dominik, editor, Petturiti, Davide, editor, Bouchon-Meunier, Bernadette, editor, and Yager, Ronald R., editor

Published
2022
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43. Improving Text Clustering Using a New Technique for Selecting Trustworthy Content in Social Networks

Author

Diaz-Garcia, J. Angel, Fernandez-Basso, Carlos, Gutiérrez-Batista, Karel, Ruiz, M. Dolores, Martin-Bautista, Maria J., Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Ciucci, Davide, editor, Couso, Inés, editor, Medina, Jesús, editor, Ślęzak, Dominik, editor, Petturiti, Davide, editor, Bouchon-Meunier, Bernadette, editor, and Yager, Ronald R., editor

Published
2022
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44. Contextual Sentence Embeddings for Obtaining Food Recipe Versions

Author

Morales-Garzón, Andrea, Gómez-Romero, Juan, Martín-Bautista, Maria J., Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Ciucci, Davide, editor, Couso, Inés, editor, Medina, Jesús, editor, Ślęzak, Dominik, editor, Petturiti, Davide, editor, Bouchon-Meunier, Bernadette, editor, and Yager, Ronald R., editor

Published
2022
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45. Text Mining for Patterns and Associations on Functions, Relationships and Prioritization in Services Reflected in National Health Insurance Programs

Author

Estuar, Maria Regina Justina, Bautista, Maria Cristina, Pulmano, Christian, Acacio-Claro, Paulyn Jean, Sugon, Quirino, Villamor, Dennis Andrew, Valera, Madeleine, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, and Meiselwitz, Gabriele, editor

Published
2022
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46. Design and implementation of an online tool for managing the availability of high-cost perishable medicines

Author

Galisteo, Myriam Gallego, Puerto, Javier Romero, Bautista, Maria José Martínez, Navarro, Jorge Díaz, Elcuaz, Rosa Seisdedos, Galisteo, Juan Gallego, Rubio, Alberto Villa, de Juan, María del Carmen Jiménez, Andrades, Ana Ganfornina, Cantero, Marcelo Domínguez, Morales, José Carlos Roldán, Ramos, Jaime Cordero, García, Alfonso Sánchez, Ortiz, Carlos Núñez, and Álvarez, José Ramón Ávila

Published
2022
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