Mariluz Congosto

Mariluz Congosto
University Carlos III de Madrid | UC3M · Department of Telematic Engineering

PhD

About

25
Publications
8,459
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464
Citations

Publications

Publications (25)
Article
With the eruption of online social networks, like Twitter and Facebook, a series of new APIs have appeared to allow access to the data that these new sources of information accumulate. One of most popular online social networks is the micro-blogging site Twitter. Its APIs allow many machines to access the torrent simultaneously to Twitter data, lis...
Article
Microblogging has spread to fields where real-time awareness is crucial, such as predicting natural disasters or health outbreaks. Here, the authors harness observations and complaints from human sensors, collected through Twitter, to demonstrate how social sensing has the ability to detect breakdowns in a public transport network in real time, bey...
Article
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Since Catalan elections in 2010, when a critical mass of Spanish users was reached on Twitter, this social network has played an important role in disseminating messages in all electoral campaigns held in Spain so far. The objective of this research is to shed light on the participation and receptivity of Spanish citizens in Twitter during the camp...
Article
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The Arab Spring, the Spanish Indignados, the Occupy Wall Street movement, the #YoSoy132 movement, the protests in Istanbul's Taksim Gezi Park, the Brazilian Spring (#jan25, #arabspring, #15M, #ows, #YoSoy132, #occupyGezi, #vemprarua): in the last three years the world has witnessed the emergence of networked citizen politics. These movements are no...
Article
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Content moderation on social media is at the center of public and academic debate. In this study, we advance our understanding on which type of election-related content gets suspended by social media platforms. For this, we assess the behavior and content shared by suspended accounts during the most important elections in Europe in 2017 (in France,...
Article
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A year after the #MeToo movement erupted, antifeminism started to retort. The idea behind the backlash was that ‘the men who have been accused are the heroes’ (Tolentino, 2018). Twitter was one of the public spaces where this confrontation occurred; the #HimToo backlash gathered steam in 2018 (Asimov, 2018) and expanded into 2019. Focussing on the...
Presentation
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Spain became a full member of the European Union in 1986. By then, the telephone business was run as a monopoly by Telefónica and the network was electromechanical, with crossbar switches. Spanish economy boomed from 1965 to 1974 and a high percentage of those switches were installed in that period, with a planned life of around 4 decades. The "Gre...
Article
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The incorporation of digital sources from online social media into historical research brings great opportunities, although it is not without technological challenges. The huge amount of information that can be obtained from these platforms obliges us to resort to the use of quantitative methodologies in which algorithms have special relevance, esp...
Chapter
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Desde el año 2010 los medios sociales han irrumpido en de las campañas electorales en España. Los partidos mayoritarios los han utilizado de forma complementaria a otros canales de comunicación mientras que para los partidos pequeños o de nueva creación ha sido un canal preferente. La estrategia de comunicación se ha ido adaptando a la dinámica de...
Article
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This article uses Twitter messages sent in May 2011 to study the ability of the so-called 15-M movement, a “connective” movement, to place their demands on the media agenda and maintain control over their own discourse. The results show that the activists’ discourse included many issues, although greatest attention was given to three: electoral and...
Conference Paper
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Resumen—Las redes sociales online gozan de una gran po-pularidad. A su vez, es bien conocido que buena parte de la información que se difunde en dichas redes es en muchos casos de baja calidad, rumores o simplemente información falsa, difundida en muchos casos por cuentas automáticas o bots. En esta comunicación se presentan los primeros resultados...
Article
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Audiencia social ¿comunidad o enjambre? Caso de estudio: goyas 2014. (Resumen) Presentamos las conclusiones de una investigación sobre la audiencia social en Twitter durante la gala de los Premios Goya 2014. Analizamos la fiabilidad de los distintos sistemas que usan el código de programación, la biblioteca API, del espacio de microblogging para el...
Article
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Identificación y análisis de los líderes de opinión en Twitter en torno a Hugo Chávez Identification and analysis of the opinion leaders around the figure of Hugo Chávez on Twitter L Deltell [CV] [ ORCID] [ GS] Profesor del JM Osteso [CV] [ ORCID] [ GS] Investigador externo de la Universidad Complutense de Madrid, UCM, España -josteso@estumail.ucm....
Article
Full-text available
Resumen/abstract: Twitter proporciona un caudal público de información, recogiendo opiniones totalmente espontáneas que reflejan el pulso de la sociedad. El volumen de datos supera con creces al de cualquier sondeo y el muestreo es continuo. Sin embargo, la información es desestructurada, dispersa y difícil de segmentar. El objetivo de esta investi...
Data
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The Arab Spring, the Spanish Indignados, the Occupy Movement (#jan25, #egypt, #arabspring, #15M, #29S, #occupywallst, #ows, #15O). In the last months the world has witnessed the emergence of networked citizen politics: besides institutions, but many times mimicking their nature; unlike traditional citizen movements, but very much alike in their ess...
Conference Paper
Full-text available
In this paper an algorithm for analyzing structural controllability and observability of complex networks is presented. The algorithm addresses the two fundamental properties to guarantee structural controllability of a system: the absence of dilations and the accessibility of all nodes. The first problem is reformulated as a Maximum Matching searc...
Article
Full-text available
Twitter proporciona un caudal de opinión totalmente espontáneo y al alcance del que quiera recogerlo. El volumen de información supera con creces el volumen de cualquier sondeo y el muestreo es continuo, sin embargo la información es desestructurada, limitada a 140 caracteres y muy difícil (no imposible) de segmentar por edad, sexo, nivel de estudi...
Article
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Esta investigación analiza el comportamiento de la audiencia social y creativa por medio de Twitter. Nos centramos en la emisión de la gala de los premios Goya 2013, que realizó la primera cadena de RTVE el 17 de febrero de 2013. Este trabajo pretende comparar la audiencia audimétrica, o tradicional, con la audiencia social que participa en Twitte...
Article
Full-text available
Introduction. This article presents the results of an interdisciplinary research carried out by several universities and various departments specializing in different subjects and fields of study. Objetives. The aims are to identify the opinion leaders around the figure of Hugo Chávez on Twitter during the time of the sample, analyze user behavior...
Article
Full-text available
Twitter proporciona un caudal de opinión totalmente espontáneo y al alcance del que quiera recogerlo. El volumen de información supera con creces el volumen de cualquier sondeo y el muestreo es continuo.Sin embargo, la información es desestructurada, limitada a 140 caracteres y presenta numerosas dificultades a la hora de segmentar por edad, sexo,...
Article
Full-text available
¿Por qué votamos si nuestro voto cuenta poco? ¿Qué nos mueve a hacerlo cuándo intuimos que nuestra participación, por si misma, no es decisiva? ¿Decidimos solos, nos dejamos influir o pretendemos influenciar a los demás? ¿Qué nos empuja a manifestar nuestra opinión política en Internet? La razón de que votemos, en realidad, tiene mucho que ver con...

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Projects

Projects (5)
Project
El nuevo proyecto está orientado al análisis de la representación en Internet del periodo 1975-1986 (financiado por el Programa Retos del Conocimiento, Ministerio de Ciencia, Investigación y Universidades y el Fondo Europeo de Desarrollo Regional (FEDER),referencia RTI2018-093599-B-I00 MCIU/AE/FEDER, UE). Detalles, objetivos, actividades y resultados en: https://uc3m.libguides.com/c.php?g=674319