Social media networks now make it easy to access, in real-time, massive amounts of
information from all over the world. They are often the primary source of information for …

Open-source indicators such as social media can be very effective precursors for forecasting
future societal events. As events are often preceded by social indicators generated by …

Social media is becoming more and more important in crisis management. However its
analysis by emergency services still bears unaddressed challenges and the majority of …

Multilingual corpora are widely exploited in several tasks of natural language processing,
these corpora are principally of two sorts: comparable and parallel corpora. The comparable …

Due to the advent of Web 2.0, the size of social media content (SMC) is growing rapidly and
likely to increase faster in the near future. Social media applications such as Instagram …

ICTs are key to effective disaster response and recovery. This chapter focuses on how
mobile devices, social media, and the use of artificial intelligence (AI) in the form of AI …

Online social networks have become a staging ground for many modern movements, with
the Arab Spring being the most prominent example. In an effort to understand and predict …

Ego-networks represent social circles and associations within social graphs. The
interconnection between an individual (ego) in a social network and other users (alters) that …

Social media analytics provide a generalized picture of situational awareness from the
conversations happening among communities present in social media channels that are that …

Crises send out early warning signals; mostly weak and difficult to detect amidst the noise of
everyday life. Signal detection based on social media enables early identification of such …