Supervised machine learning studies are gaining more significant recently because of the
availability of the increasing number of the electronic documents from different resources …

Social tagging on online portals has become a trend now. It has emerged as one of the best
ways of associating metadata with web objects. With the increase in the kinds of web objects …

Metadata such as the hashtag is an important dimension of social media communication.
Despite its important role in practices such as curating, tagging, and searching content, there …

Over the last four decades, new modes of communication have redefined people's
engagement with media: media audiences are now also makers, influencers, followers …

The advent of online social networks has been one of the most exciting events in this
decade. Many popular online social networks such as Twitter, LinkedIn, and Facebook have …

Social media have attracted considerable attention because their open-ended nature allows
users to create lightweight semantic scaffolding to organize and share content. To date, the …

Information about the relative biodiversity value of different waterbody types is a vital pre-
requisite for many strategic conservation goals. In practice, however, exceptionally few inter …

Im» Web 2.0 «sinken die Hürden für Internetnutzer, selbst aktiv zu werden, eigene
Interessen und Erlebnisse publik zu machen, Freundschaften und Kontakte zu pflegen oder …

Tagging systems have become major infrastructures on the Web. They allow users to create
tags that annotate and categorize content and share them with other users, very helpful in …

We investigate the extent to which social ties between people can be inferred from co-
occurrence in time and space: Given that two people have been in approximately the same …