We are pleased to present to the entire academic community and the general public the following work, which contains recent research results of a group of teachers from the Faculty of Educational Sciences in areas such as pedagogy, communication, technology and history. This publication is the result of the work coordinated by the Vice Rector's Office for Research, Innovation and Extension of the UTP, with the support of the Faculty of Education Sciences, through the realization of the First Conference on Social Appropriation of Knowledge held in 2022, in order to reach a wider field of dissemination of local research. In the first chapter "Sentiment analysis on Twitter about mobile learning" by professors Rosa María Guilleumas García and Hernán Gil Ramírez, a study of tweets about mobile learning is presented. To do so, the authors combined several techniques of social network analysis, text mining and sentiment analysis, using NodeXL software, specialized in network examination and visualization. Among their results, they highlight the great predominance of positive tweets over negative ones in this field of study, and at the same time point out that, in the analyzed tweets, the most used words were learning, mobile, app, machine, mlearning and education. In second place, there is the chapter "The institutional educational project. An opportunity for reflection and transformation of the Colombian university" by teachers Martha Cecilia Gutiérrez Giraldo and Carolina Franco Ossa, which arises from the reflection on university autonomy and its internal exercise in the construction of its Institutional Educational Projects (PEI). Thus, the main purpose of this work is to identify the relevant facts that have marked the academic life of the UTP since its creation in 1958 until 2015, in which the different strata of the university community (teachers, students, administrators, managers, graduates and the social sector) participated through a participatory action research process. The results show that since its creation, the University has updated its academic and management policies in accordance with the regulations in force in each period, and that, at the same time, as mentioned by the authors, the institutional processes of self-reflection and projection of the academic life of the UTP should be strengthened through the culture of academic and democratic participation, supported by the collaborative work of the university community

En marzo de 2020 profesores y estudiantes iniciaron la educación remota de emergencia como consecuencia de las medidas tomadas para frenar el COVID- 19. En este escenario, el interés por conocer los sentimientos sobre la educación en tiempos del COVID-19, los temas de interés predominantes y los usuarios potencialmente más influyentes nos llevó a analizar las publicaciones en Twitter relacionadas con este tema. Durante 100 días importamos 1.399.272 tuits en español, publicados por 198.440 usuarios. Para analizarlos, empleamos análisis de redes sociales, minería de texto y análisis de sentimientos, proceso en que fue fundamental el uso del lenguaje R. Los resultados mostraron un 70% de tuits positivos, un 20% negativos y un 10% neutros; del corpus analizado, el 81,0% eran retuits; un 10,3% fueron marcados como favoritos; un 20% incluían emojis; y el 5,9% incluían recursos multimedia. En los tuits predominaron las palabras salud, clases y niños; más de un tercio de los tuits incluían hashtags, entre ellos, los que hacían referencia a educación, virus, medidas de prevención, medidas de bioseguridad, y reconocimiento a maestros; aproximadamente el 20% incluía dominios web, especialmente de sitios de medios de comunicación. Los usuarios potencialmente más influyentes estaban vinculados a medios de comunicación.

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En el año 2011, en torno al movimiento 15M, miles de españoles se conectaron a Twitter con el fin de convocarse, organizarse y gestionar encuentros en plazas públicas, para protestar por el detrimento progresivo del estado de bienestar social. Esta investigación, de enfoque cuantitativo, se propuso identificar las tendencias en los temas de interés en 17.599 tuis publicados por la red de conexiones de 14 cuentas de plataformas organizativas, grupos locales y colectivos ciudadanos, vinculadas al movimiento 15M y su relación con la estructura de la red de comunicación que emergió de estos tuits. Para identificar la estructura de dicha red se usó el método de Análisis de Redes Sociales (ARS) usando NodeXL. Para detectar las tendencias de los temas de interés, se aplicaron técnicas de minería de texto, usando Excel y T-Lab. Se encontró que Twitter jugó un importante papel en la difusión de la información, en las convocatorias y en la organización del movimiento 15M; las tendencias en los hashtags estuvieron orientadas a visibilizar el movimiento y a invitar a las actividades programadas, y las de los lemas a organización (Asamblea, seguir, gente, democracia) y a espacios físicos (calle, plaza). Finalmente, se encontró una relación directa entre las métricas de la red y las tendencias de los temas de interés. Palabras clave: Movimiento social -redes sociales -Twitter -15M -ARS.In 2011, thousands of Spaniards following the 15M Movement connected to Twitter to convene, organize and manage meetings in public places in order to protest against the steady decline of the welfare state in their country. This quantitative research set out to identify trends in the topics of interest of a corpus of 17,599 tweets published by the network of connections of 14 organizational platforms, local and civic groups linked to the 15M movement as well as their relationship with the structure of the communication network that emerged from those tweets. To study the structure of the said network we used the Social Network Analysis (SNA) and the program NodeXL. In order to detect the trends in the topics of interest, we applied text mining with Excel and T-Lab. The research showed that Twitter played an important role in spreading the information, convening the meetings and organizing the 15M movement. The trends in the hashtags pointed toward making the movement visible and inviting to the activities; those in the lemmas, to the organization (Asamblea, follow, people, democracy) as well as to gathering places (street, square). Finally, the research revealed a direct relationship between the metrics of the network and the trends in the topics of interest.