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Listar por palabra clave "Sentiment analysis"

Mostrando ítems 1-20 de 67

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A CBR for integrating sentiment and stress analysis for guiding users on social network sites

Aguado, Guillem; Julian, Vicente; García-Fornes, A; Espinosa Minguet, Agustín Rafael (Elsevier, 2022-12-01)

[EN] This work presents a Case-Based Reasoning (CBR) module that integrates sentiment and stress analysis on text and keystroke dynamics data with context information of users interacting on Social Network Sites (SNSs). ...
A Knowledge-Based Model for Polarity Shifters

Blázquez-López, Yolanda (Universitat Politècnica de València, 2022-11-23)

[EN] Polarity shifting can be considered one of the most challenging problems in the context of Sentiment Analysis. Polarity shifters, also known as contextual valence shifters (Polanyi and Zaenen 2004), are treated as ...
A Multi-Agent System for guiding users in on-line social environments

Aguado-Sarrió, Guillem; Julian Inglada, Vicente Javier; García-Fornes, A; Espinosa Minguet, Agustín Rafael (Elsevier, 2020-09)

[EN] The present work is a study of the detection of negative affective or emotional states, the high-stress levels that people have using social network sites (SNSs), and the effect that this negative state or stress level ...
A Multilevel Approach to Sentiment Analysis of Figurative Language in Twitter

Gopal Patra, Braja; Mazumda, Soumadeep; Das, Dipankar; Rosso, Paolo; Bandyopadhyay, Sivaji (Springer-Verlag, 2018)

[EN] Commendable amount of work has been attempted in the field of Sentiment Analysis or Opinion Mining from natural language texts and Twitter texts. One of the main goals in such tasks is to assign polarities (positive ...
A proposal to deal with sampling bias in social network big data

Iacus, Stefano Maria; Porro, Giuseppe; Salini, Silvia; Siletti, Elena (Editorial Universitat Politècnica de València, 2018-09-07)

[EN] Selection bias is the bias introduced by the non random selection of data, it leads to question whether the sample obtained is representative of the target population. Generally there are different types of selection ...
A Review on MAS-Based Sentiment and Stress Analysis User-Guiding and Risk-Prevention Systems in Social Network Analysis

Aguado-Sarrió, Guillem; Julian Inglada, Vicente Javier; García-Fornes, A; Espinosa Minguet, Agustín Rafael (MDPI AG, 2020-10)

[EN] In the current world we live immersed in online applications, being one of the most present of them Social Network Sites (SNSs), and different issues arise from this interaction. Therefore, there is a need for research ...
Analysis of the online public opinion on the web platform TripAdvisor on Spain's industrial mining heritage, by structuring the data for sentiment analysis

Soto Rumiche, Marco; Rodríguez Marín, Francisco (Editorial Universitat Politècnica de València, 2024-07-24)

[ES] Industrial reconversion or changes in the economic model led to the closure of important mining centres, with severe consequences for the surrounding population. The abundance and richness of their industrial heritage ...
Análisis de opiniones sobre reseñas de videojuegos

Almendros Granero, Jordi (Universitat Politècnica de València, 2019-10-08)

[ES] El interés en el desarrollo de la aplicación que se presenta en este proyecto viene motivado por el gran volumen de información textual presente en las reseñas sobre videojuegos. Junto a estas reseñas se pueden ...
Análisis de semifinales y finales de los playoffs de la NBA 2021-2022 a través de Twitter

Moreno Salvador, Rubén (Universitat Politècnica de València, 2022-10-19)

[ES] En este trabajo de investigación se han aplicado técnicas aprendidas durante el curso académico. Concretamente el análisis de sentimiento de textos en Twitter y la clusterización de usuarios. Para esto se realizó ...
Análisis de sentimiento en los debates parlamentarios del Congreso Nacional de Chile (1999-2000)

Peña Arias, Johans Guillermo (Universitat Politècnica de València, 2020-09-16)

[ES] El objetivo principal de este trabajo es determinar la polaridad de las opiniones en los debates parlamentarios del Congreso Nacional de Chile entre los años 1990 al 2000, y comprobar si esta polaridad depende del ...
Aplicación de técnicas de procesamiento de lenguaje natural (NLP) en Twitter para la evaluación de políticas agrarias y del medio rural

Gutiérrez Domínguez, Alba (Universitat Politècnica de València, 2022-09-30)

[ES] El contenido publicado en RR.SS. (redes sociales) se ha convertido en una valiosa fuente de información. Poniendo el foco en el sector agroalimentario, el contenido generado por los usuarios en medios como Twitter ...
Applying basic features from sentiment analysis on automatic irony detection

Hernández Farías, Irazú; Benedí Ruiz, José Miguel; Rosso, Paolo (Springer International Publishing, 2015-06-09)

People use social media to express their opinions. Often linguistic devices such as irony are used. From the sentiment analysis perspective such utterances represent a challenge being a polarity reversor (usually from ...
ASLP-MULAN: Audio speech and language processing for multimedia analytics

Ferreiros Lopez, Javier; Pardo Muñoz, José Manuel; Hurtado Oliver, Lluis Felip; Segarra Soriano, Encarnación; Ortega Giménez, Alfonso; Lleida, Eduardo; Torres, María Inés; Justo, Raquel (Sociedad Española para el Procesamiento del Lenguaje Natural (SEPLN), 2016-09)

[EN] Our intention is generating the right mixture of audio, speech and language technologies with big data ones. Some audio, speech and language automatic technologies are available or gaining enough degree of maturity ...
Can Sentiments of Social Media Participants Reflect by Financial Market Liquidity

Saleemi, Jawad (Universitat Politècnica de València, 2024-07-26)

[ES] Esta tesis doctoral se enmarca en el área de investigación del Departamento de Economía y Ciencias Sociales, y se centra en la perspectiva conductual de la liquidez del mercado. La liquidez que varía en el tiempo y ...
CROSA: Context-aware cloud service ranking approach using online reviews based on sentiment analysis

Ben-Abdallah, Emna; Boukadi, Khouloud; Lloret, Jaime; Hammami, Mohamed (John Wiley & Sons, 2021-04-10)

[EN] The explosion of cloud services over the Internet has raised new challenges in cloud service selection and ranking. The existence of a great variety of offered cloud services made the users think deeply about the most ...
Cross-domain polarity classification using a knowledge-enhanced meta-classifier

Franco-Salvador, Marc; Cruz, Fermín L.; Troyano Jiménez, José Antonio; Rosso, Paolo (Elsevier, 2015-09)

In this paper, we propose the use of meta-learning to combine and enrich those approaches by adding also other knowledge-based features. In addition to the aforementioned classical approaches, our system uses the BabelNet ...
Cross-Domain Polarity Models to Evaluate User eXperience in E-learning

Sanchis-Font, Rosario; Castro-Bleda, Maria Jose; González-Barba, José Ángel; Pla Santamaría, Ferran; Hurtado Oliver, Lluis Felip (Springer-Verlag, 2021-10)

[EN] Virtual learning environments are growing in importance as fast as e-learning is becoming highly demanded by universities and students all over the world. This paper investigates how to automatically evaluate User ...
Depicting Sustainability Awareness in Turkey-Syria Earthquake News Coverage via Sentiment Analysis

Polyakova, Oksana; Kuzina, Maria (IGI Global, 2025)

[EN] In contemporary society, the mass media plays a pivotal role in shaping public perceptions, particularly in the dissemination of information following significant natural disasters. This manuscript proposes to scrutinise ...
Desarrollo de un sistema de análisis de sentimiento sobre Twitter

Selva Castelló, Javier (Universitat Politècnica de València, 2015-10-02)

[ES] Twitter se ha convertido en una de las plataformas on-line más utilizadas para expresar opiniones e ideas. Es debido a esta razón que resulta una fuente ideal de información de la que extraer estadísticas sociales. ...
Desarrollo de un software de análisis de estado anímico con perspectiva de su uso en el ámbito empresarial

Soler García, Álvaro (Universitat Politècnica de València, 2023-07-20)

[ES] Con el paso de los años cada vez dotamos de más importancia al perfil anímico y psicológico de las personas, es un elemento clave en multitud de aspectos y competencias que durante gran parte de la historia de la ...