Social Media

The next speaker at Web Science 2016 is Onur Varol, who points out the wide variety of purposes for which people use social media, and notes that we change our online persona and usage styles according to different communicative contexts. Can we match language style and user intent, then?

The project's experiments found that messages written using logical arguments are perceived as more authoritative, while an absence of logical content makes the sender appear more likeable; the communication style also varies across different fields of interest (products, health, politics).

URL cascades tend to be more likely to involve relatively similar …

The next session at Web Science 2016 starts with a paper by Jure Leskovec on information cascades. Such cascades emerge as users of social media platforms (re)share content through their networks, and the prediction of such processes is traditionally very difficult.

One question in such predictions is whether a given cascade will reach the median size observed in historical cascades; because of how the median is defined, even a blind guess on this question will have a 50% success rate.

But cascades on a platform like Twitter can consist of multiple cascade trees sharing the same information, as pieces of …

The final speaker in this Web Science 2016 session is Daniel Alexandrov, whose interest is in the use of social networking platforms in politics across the Caucasus region. This is a diverse and politically tense region, with several intractable political conflicts.

The project focussed on Armenia, Azerbaijan, Georgian, and pan-Caucasian groups on the social media platforms VKontakte – the "virtual Caucasus" space –, which is dominated by relatively young users and subdivides into a number of groups. These groups have overlapping memberships and distribute across a number of clusters; Caucasian and Georgian groups tend to have the highest betweenness centrality …

Next up at Web Science 2016 is Yelena Mejova, who presents a paper on the new 'quote retweet' feature that Twitter introduced in April 2015. This form of retweeting includes the retweeted tweet as a URL in the retweet, and can be used for somewhat different purposes from other forms of retweeting: while button retweets may imply an endorsement of the original message, the substantial space for including the retweeter's views in a quote retweet might be used for more critical engagement with the quoted material, for instance.

This study builds on the dataset of 192 US political accounts maintained …

Next up at Web Science 2016 is Claudia Orellana-Rodriguez, whose interest is in how journalists spread the news on Twitter. Journalists now regularly engage on social media platforms, but there still is only a very limited understanding of how platforms like Twitter can be used most effectively.

Optimal activities and user engagement may also differ considerably across different news categories: different types of news will have different audiences, and audience members may engage very differently with such news; this may also be affected by the time of day or week.

This project focussed on 200 Irish journalists and captured …

Next up at Web Science 2016 is Walid Magdy, whose focus is on social media commentary following the terrorist attacks in Paris in late 2016. Immediately after the attacks, sympathy with Paris was expressed on Twitter – but as the attacks were linked with Islamist terrorists, anti-Muslim messages also began to appear.

Walid's team tracked relevant keywords and hashtags on Twitter after the attacks, and noted that more than one tenth of all messages discussed Islam in some form; of these, some 336,000 tweets were closely engaged with the question of Islam in Europe. The majority of these tended to …

The next session at Web Science 2016 is on information dissemination and engagement. It begins with a paper by Miriam Fernandez, whose focus is on promoting behavioural changes to combat climate change. Over the past years, there have been multiple social media campaigns that promote more environmentally responsible behaviours; what can these campaigns learn from theories of behaviour change, and how can these theories be translated into computational methods?

The focus here is on Earth Hour 15, and on the COP21 summit in Paris in 2015. The project draws on the 5 Doors Theory, which describes five stages of behavioural …

Day two of Web Science 2016 begins with a keynote by Jure Leskovec, whose interest is in antisocial behaviour in social media spaces. He begins by noting that the Web has moved from a document repository or library to a social space, where users contribute content and provide feedback to each other. Platforms for this include the main social media spaces, as well as Reddit, StackOverflow, and the comment sections of news sites.

These two metaphors for the Web – as a library and as a social space – are very different from each other, especially in how …

And the final paper in this Web Science 2016 session is by Katrin Weller and me. Below are our slides and abstract, and a link to the full paper:

Twitter as a First Draft of the Present – and the Challenges of Preserving It for the Future from Axel Bruns

This paper provides a framework for understanding Twitter as a historical source. We address digital humanities scholars to enable the transfer of concepts from traditional source criticism to new media formats, and to encourage the preservation of Twitter as a cultural artefact. Twitter has established itself as a key social …