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The next speaker in this AoIR 2017 is my DMRC colleague Brenda Moon, whose focus is on reply chains on Twitter. There are a number of ways in which replies are chained together, and in fact the term 'reply tree' may be preferable to 'reply chains': there may be many replies to the same original tweet only, or a long dyadic interaction over a series of tweets, or various permutations between these two extremes.

Brenda's work uses the TrISMA dataset of all tweets sent by Australian accounts over several years; this may miss tweets in a reply tree if …

The next speaker in this AoIR 2017 session is Rebekah Tromble, whose focus is on the impact of digital data collection methods on scientific inference. Collecting data from social media APIs, how can we know whether we have 'good', valid data?

Twitter, for instance, provides a range of open APIs as well as commercial-quality data access via its subsidiary GNIP; the open streaming API offers up to 1% of the total global Twitter throughput, but potentially offers 100% of the tweets matching specific keywords or hashtags; and the open search API offers access to historical tweets, but also with …

The next session at AoIR 2017 starts with this year's AoIR Nancy Baym Book Award winner Nicholas John, whose focus here is on unfriending practices in the context of specific political events. There is limited information about unfriending as the platforms themselves do not provide a great deal of information about such practice.

However, facebook.com/peace offers data on Facebook ties across national divides (e.g. between Pakistan and India, or Palestine and Israel), and such data may potentially be valuable in this context. Unfortunately, though, the data provided by Facebook and the Stanford Peace Innovation Lab on this page is highly …

The next speaker in this AoIR 2017 session is Thomas Beauvisage, who begins by highlighting the algorithmic ordering of content in social media. This is also a form of reputational capital, and has led to the development of a rogue industry providing 'fake' followers, likes, and other quantifiable measures of apparent user interest.

This is related to a range of standard attentional techniques and encoded in standardised, industry-recognised metrics. Some of these metrics are generated through social bots and other forms of online automation, and represent a form of sometimes playful numeric manipulation. But what is this 'black' market? Who …

The second paper in this AoIR 2017 session is by Daniela van Geenen and Mirko Schäfer, whose focus is on 'fake news' on Twitter. They began by tracking activities in the Dutch Twittersphere, and identified a number of communities within this userbase; within these communities, news and other information are being shared, and a process of social filtering takes place.

Within a two-week sample of Dutch tweets, the project identified the references to traditional and alternative media sources; the former represented established media including broadcasters, newspapers, and similar outlets, while the latter were often online-only, topic-focussed sites that were …

It is already the middle of the first day of AoIR 2017, and I'm finally getting to see a panel, on 'fake news', which starts with Christian Katzenbach and Kirsten Gollatz. They start by noting the increasing discussion about platform governance initiatives designed to limit the circulation of 'fake news', however the term is defined; this also builds on considerable amounts of research into the politics of platforms.

But there is a conceptual gap (where and what is the governance in platforms?) and an empirical gap, with a lack of a long-term view on platform governance. Governance on platforms …

The final keynote speaker at Future of Journalism 2017 is Linda Steiner, who begins by introducing us to feminist standpoint epistemology: bodies of knowledge are socially situated and embodied, and this both limits and enables what one can know.

From this perspective, it is clear that there is a thin procedural view of objectivity at the basis of journalism – and this is a problem. This is simultaneously also a reason that Donald Trump and other critics of the mainstream media are able to attack the press as 'fake news' when it does not live up to a narrow standard …

The final speaker in this Future of Journalism 2017 session is An Nguyen, who begins by focussing on the role of major tech companies in influencing information exposure for their users, which has given rise to concepts like 'echo chambers' and 'filter bubbles'. Various studies have now started to explore the presence of such patterns, building on a variety of data and focussing on a range of contexts, communities, and cases – with highly variable outcomes.

The present study uses the Eurobarometer 86.2 survey, to explore whether in the turmoil of 2016 EU publics changed their views on social media …

The third presenter in this Future of Journalism 2017 session is Jaume Suau, focussing on agenda-setting in the digital public sphere and exploring especially the role of Spanish citizens as online participants. Spanish users are highly active in engaging with political and social contexts, and this is focussed largely on commenting and sharing news (especially on Facebook and WhatsApp) rather than producing content. News media have failed to harness these energies fully so far.

Such audience participation is changing traditional hegemonies in journalism. Old and new media coexist in the news environment, and complement and influence wach other. Audience …

The next presenter at Future of Journalism 2017 is Anja Bechmann, who shifts our focus to news engagement within the private and semi-private spaces of Facebook. Here, the Facebook newsfeed serves at least in part also as a news platform, where news stories are shared and curated in a collaborative fashion. News, here, is variously a journalistically, user-, and algorithmically defined concept.

The investigation of the newsfeed can also help to detect 'filter bubbles', defined as non-overlapping content segments. Key questions here address source diversity, content diversity, and exposure diversity, as experienced by Facebook users; this can be addressed …