What Do We See When We Look at Networks. An Introduction to Visual Network Analysis and Force-Directed Layouts

Venturini, Tommaso; Jacomy, Mathieu; Jensen, Pablo

doi:10.2139/ssrn.3378438

Cited by 15 publications

(18 citation statements)

References 25 publications

(28 reference statements)

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“…In fact, unreliable websites often link to reliable ones and are therefore in their topological vicinity [38]. This is the reason why we cannot create clearly distinguished zones of reliability in the Décodex network.…”

Section: The Data: the Décodex Networkmentioning

confidence: 89%

“…This is the reason why we cannot create clearly distinguished zones of reliability in the Décodex network. In a previous paper [37], we analysed the Décodex graph through a force-directed layout and later a visual network analysis [38]. The work clearly showed the difficulty of matching the visual topology of the network with the typology established by Le Monde.…”

Section: The Data: the Décodex Networkmentioning

confidence: 99%

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A network view on reliability: using machine learning to understand how we assess news websites

Blanke

Venturini²

2021

J Comput Soc Sc

Self Cite

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This article shows how a machine can employ a network view to reason about complex social relations of news reliability. Such a network view promises a topic-agnostic perspective that can be a useful hint on reliability trends and their heterogeneous assumptions. In our analysis, we depart from the ever-growing numbers of papers trying to find machine learning algorithms to predict the reliability of news and focus instead on using machine reasoning to understand the structure of news networks by comparing it with our human judgements. Understanding and representing news networks is not easy, not only because they can be extremely vast but also because they are shaped by several overlapping network dynamics. We present a machine learning approach to analyse what constitutes reliable news from the view of a network. Our aim is to machine-read a network’s understanding of news reliability. To analyse real-life news sites, we used the Décodex dataset to train machine learning models from the structure of the underlying network. We then employ the models to draw conclusions how the Décodex evaluators came to assess the reliability of news.

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Section: The Data: the Décodex Networkmentioning

confidence: 89%

Section: The Data: the Décodex Networkmentioning

confidence: 99%

A network view on reliability: using machine learning to understand how we assess news websites

Blanke

Venturini²

2021

J Comput Soc Sc

Self Cite

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show abstract

“…In order to facilitate viewing the network and the interpretation of the phenomenon analysed (Venturini et al 2019), the Force Atlas 2 (Jacomy et al 2014) algorithm has also been applied. This measures proximity between those nodes that have interacted, and the distance between those that have not done so.…”

Section: Data Extraction and Analysis Methodsmentioning

confidence: 99%

Digital Prospects of the Contemporary Feminist Movement for Dialogue and International Mobilization: A Case Study of the 25 November Twitter Conversation

2021

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The feminist movement is experiencing the rise of a new generation characterized by specific phenomena linked to technological progress, such as hashtivism, i.e., mobilization through social media. With the aim of contributing to extending our knowledge of the implications of Twitter for this as well as other social movements, this article examined eight of the most common Spanish- and English-language hashtags used to commemorate the 25 November 2018 event, the International Day for the Elimination of Violence against Women. Employing big data analysis to study social and communications phenomena, the results offer a picture of contemporary feminism through the kind of international digital dialogue or conversation that it creates, as well as questioning Twitter’s validity in terms of cohesion when it comes to uniting forces in relation to one of the movement’s most urgent struggles: eliminating violence against women in all its forms.

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“…• Graphical configuration is the process of changing the algorithm for the graphical presentation of the network maps. The process may involve moving back and forth between different force-directed layout algorithms (Venturini et al, 2019), concentric ego-network charts (Tubaro et al, 2016), and using various colors, shapes, and sizes to make the networks more informative about the structural attributes of the network (e.g. coloring different cohesive clusters, or sizing the nodes based on centralities), and individual and relational attributes (e.g.…”

Section: Framingmentioning

confidence: 99%

A fused mixed-methods approach to thematic analysis of personal networks: Two case studies of caregiver support networks

Yousefi‐Nooraie

Thompson²,

D'Silva³

et al. 2021

Net Sci

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Thematic analysis of personal networks involves identifying regularities in network structure and content, and grouping networks into types/clusters, to allow for a holistic understanding of social complexities. We propose an inductive approach to network thematic analysis, applying the learnings from qualitative coding, fused mixed-methods analysis, and typology development. It involves framing (changing focus by magnifying, aggregating, and graphical configuration), pattern detection (identification of underlying dimensions, sorting, and clustering), labeling, and triangulating (confirmation and fine-tuning using quantitative and qualitative approaches); applied repeatedly and emergently. We describe this approach utilized in two cases of studying support networks of caregivers.

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What Do We See When We Look at Networks. An Introduction to Visual Network Analysis and Force-Directed Layouts

Cited by 15 publications

References 25 publications

A network view on reliability: using machine learning to understand how we assess news websites

A network view on reliability: using machine learning to understand how we assess news websites

Digital Prospects of the Contemporary Feminist Movement for Dialogue and International Mobilization: A Case Study of the 25 November Twitter Conversation

A fused mixed-methods approach to thematic analysis of personal networks: Two case studies of caregiver support networks

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