Eruption forecasting is a major goal in volcanology. Logically, but unfortunately, forecasting hazards related to non-magmatic unrest is too often overshadowed by eruption forecasting, although many volcanoes often pass through states of non-eruptive and non-magmatic unrest for various and prolonged periods of time. Volcanic hazards related to non-magmatic unrest can be highly violent and/or de...

We propose a system that assigns topical labels to automatically detected events in the Twitter stream. The automatic detection and labeling of events in social media streams is a ’big data’ problem. The early detection of future social events, specifically those associated with civil unrest, has a wide applicability in areas such as security, e-governance, and journalism. We used machine learn...

High and volatile global food prices have led to food riots and played a critical role in triggering the Arab Spring revolutions in recent years. The severe drought in the US in the summer of 2012 led to a new increase in food prices. Through the fall, they remained at a threshold above which the riots and revolutions had predominantly occurred. Global prices at this level create conditions whe...

Research shows that various social media platforms on Internet such as Twitter, Tumblr (micro-blogging websites), Facebook (a popular social networking website), YouTube (largest video sharing and hosting website), Blogs and discussion forums are being misused by extremist groups for spreading their beliefs and ideologies, promoting radicalization, recruiting members and creating online virtual...

Social unrest events have been an issue of concern to people in various countries. In the past few years, mass appeared many Meanwhile, social media has become a distinctive method spreading event information. It is necessary construct effective analyze through platforms. Existing methods mainly target well-labeled data and take relatively little account development. This paper proposes entity-...

During the nineteenth century, most Western societies extended voting rights, a decision that led to unprecedented redistributive programs. We argue that these political reforms can be viewed as strategic decisions by political elites to prevent widespread social unrest and revolution. Political transition, rather than redistribution under existing political institutions, occurs because current...

Social media is believed to be responsible for facilitating critical communication often required to fuel momentum preceding the events of civil unrest. The information technology revolution has brought with it an explosion of novel data sources data such as Twitter, Facebook, news/blogs, Wikipedia that didn’t previously exist or were not accessible to researchers. This paper focuses on an ongo...