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Mapping Twitter Topic Networks: From Polarized Crowds to Community Clusters

Mapping Twitter Topic Networks: From Polarized Crowds to Community Clusters
Polarized Crowds: Political conversations on Twitter Conversations on Twitter create networks with identifiable contours as people reply to and mention one another in their tweets. These conversational structures differ, depending on the subject and the people driving the conversation. Six structures are regularly observed: divided, unified, fragmented, clustered, and inward and outward hub and spoke structures. These are created as individuals choose whom to reply to or mention in their Twitter messages and the structures tell a story about the nature of the conversation. If a topic is political, it is common to see two separate, polarized crowds take shape. While these polarized crowds are common in political conversations on Twitter, it is important to remember that the people who take the time to post and talk about political issues on Twitter are a special group. Conversational archetypes on Twitter Why is it useful to map the social landscape this way? What this all means Figure 2

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Facebook feelings are contagious: Study examines how emotions spread online You can’t catch a cold from a friend online. But can you catch a mood? It would seem so, according to new research from the University of California, San Diego. Published in PLOS ONE, the study analyzes over a billion anonymized status updates among more than 100 million users of Facebook in the United States. Positive posts beget positive posts, the study finds, and negative posts beget negative ones, with the positive posts being more influential, or more contagious.

The six types of Twitter conversations By Lee Rainie Have you ever wondered what a Twitter conversation looks like from 10,000 feet? A new report from the Pew Research Center, in association with the Social Media Research Foundation, provides an aerial view of the social media network. By analyzing many thousands of Twitter conversations, we identified six different conversational archetypes. Our infographic describes each type of conversation network and an explanation of how it is shaped by the topic being discussed and the people driving the conversation.

The end of Big Twitter As long as I’ve been on Twitter (I started in March 2007) people have been complaining about Twitter. But recently things have changed. The complaints have increased in frequency and intensity, and now are coming more often from especially thoughtful and constructive users of the platform. There is an air of defeat about these complaints now, an almost palpable giving-up. For many of the really smart people on Twitter, it’s over. Facebook ban in Sri Lanka? - The Great Traditional Media Conspiracy "Student commits Suicide over a Facebook photo" | "Facebook love ends in Death" | "Man kills wife over a Facebook status (USA)" | “Facebook නිසාතවත්මරණයක්” (Hiru FM News) | These are some of the headlines in Sri Lankan newspapers and TV/Radio news over the last couple of weeks. This morning I spotted this poster for ‘Irudina’ Sinhala newspaper, with the headline “ෆේස්බුක්තහනම්කරනු!” (Ban Facebook!). All of a sudden, there is a huge increase in number of mass media content highlighting the bad side of Facebook and Social Media.

Measuring Large-Scale Social Networks with High Resolution This paper describes the deployment of a large-scale study designed to measure human interactions across a variety of communication channels, with high temporal resolution and spanning multiple years—the Copenhagen Networks Study. Specifically, we collect data on face-to-face interactions, telecommunication, social networks, location, and background information (personality, demographics, health, politics) for a densely connected population of 1 000 individuals, using state-of-the-art smartphones as social sensors. Here we provide an overview of the related work and describe the motivation and research agenda driving the study. Additionally, the paper details the data-types measured, and the technical infrastructure in terms of both backend and phone software, as well as an outline of the deployment procedures.

Computing and Information Services : A guide to using Dropbox and other cloud-based storage services What is cloud-based storage? Personal cloud based storage solutions (such as iCloud, Dropbox, Skydrive, Google and Ubuntu1) have become very popular for storing your own files like photos and family documents, as they provide an easy way to store and share your information. However at the moment, use of personal cloud based storage services has a limited use when it comes to sharing any data you create or receive in relation to University business because: They do not guarantee that our obligations under the Data Protection Act (DPA) are met They do not offer sufficient protection for intellectual property (our ideas) or information that we would class as commercially confidential They do not keep records as to who accesses the data Why are you thinking of using cloud-based storage?

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The Overprotected Kid A trio of boys tramps along the length of a wooden fence, back and forth, shouting like carnival barkers. “The Land! It opens in half an hour.” Down a path and across a grassy square, 5-year-old Dylan can hear them through the window of his nana’s front room. He tries to figure out what half an hour is and whether he can wait that long.

Stuart Hall: a bright star He was committed to intervening publically on key political questions: he never followed a narrow academic path but knew theory was an essential lens for critique. Obituary. Listening to Stuart Hall made us see the world differently and he had a gift that enabled us to understand our life anew. He seemed to be talking directly to you, even if it was through the TV screen or through the pages of one of his many influential essays. I think that is why so many people – even students and readers who never met him in person – feel such a deep sense of personal loss at the news of his passing.

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