Instagram has more than 400 million monthly active accounts who share more than 80 million pictures and videos daily. This large volume of user-generated content is the application’s notable strength, but also makes the problem of finding the authoritative users for a given topic challenging. Discovering topical authorities can be useful for providing relevant recommendations to the users. In a...

Social media plays an important role in connecting people and making them interact with each other. Its influence is more direct and stronger to teens, because they are more active and engaged in using social media than other generations. Much research has presented teens’ high use and engagement as well as characteristics in social media; however, the way of analyzing them has mostly relied on...

Social media has been associated with body dissatisfaction and eating disorder symptoms among young women and adolescent girls. However, despite notable evidence of susceptibility to body image pressures, it remains unknown whether these associations generalize to sexual minority men. A nationwide sample of 2,733 sexual minority men completed an online survey advertised to Australian and New Ze...

Article history: Received August 28, 2015 Received in revised format November 28, 2015 Accepted December 1, 2015 Available online December 1, 2015 Empirical research has identified the phenomenon of destination bonding as a result of summated physical and emotional values associated with the destination. Physical values, namely natural landscape & other physical settings and emotional values, n...

Social Media Posts On Platforms Such As Twitter Or Instagram Use Hashtags, Which Are Author-Created Labels Representing Topics Or Themes, Toassist In Categorization Of Posts And Searches For Posts Of Interest. The Structural Analysis Of Hashtags Is Necessary As Precursor To Understandingtheir Meanings. This Paper Describes Our Work On Segmenting Nondelimited Strings Of Hashtag-Type English Text...

This paper generalizes market power measures for evaluating multi-sided markets. In addition, existing estimation techniques for determining the effects of multi-product sellers and mergers are generalized to multi-sided markets. Unlike traditional onesided products, the integration of platform network externalities by a multi-platform seller affects platform pricing. For example, the integrati...

The use of social network media has exploded globally, and many people share facts of their daily lives in these media by posting comments, photos, and videos. Up until 10 years ago, there was no Facebook, Twitter or Instagram, among the many social media apps that keep being developed; however, today people of all ages use them massively. Such integration into personal life often results in pa...

Topic modeling has traditionally been studied for single text collections and applied to social media data represented in the form of text documents. With the emergence of many social media platforms, users find themselves using different social media for posting content and for social interaction. While many topics may be shared across social media platforms, users typically show preferences o...

This paper presents digital methods for city analytics, applied to the mapping and activation of an urban area in the city of Amsterdam called the Knowledge Mile. Firstly, we map companies registered in the area and analyse their connections through online hyperlinking. Secondly, we use Instagram, Panoramio and Google Search data to map mostshared photos and high-ranked images of the area. Last...

#Microposts2015, the 5th workshop on Making Sense of Microposts, is summarised by the sub-theme: big things come in small packages. The workshop was borne out of research we were each carrying out as microblogging platforms became increasingly popular, and their value as a publishing platform and the data generated as a result began to be recognised. This phenomenon continues to grow, as microb...