A large proportion of dryland trees and shrubs (hereafter referred to collectively as trees)
grow in isolation, without canopy closure. These non-forest trees have a crucial role in …

Rare events are processes that occur upon the emergence of unlikely fluctuations. Unlike
what their name suggests, rare events are fairly ubiquitous in nature, as the occurrence of …

Twitter location inference methods are developed with the purpose of increasing the
percentage of geotagged tweets by inferring locations on a non-geotagged dataset. For …

Proactive handling of social unrest events which are common happenings in both
democracies and authoritarian regimes requires that the risk of upcoming social unrest …

As an emerging research area, event extraction from Twitter has attracted much attention
since 2010. This paper attempts to provide a critical survey of the technical achievements in …

Stock market news and investing tips are popular topics in Twitter. In this paper, first we
utilize a 5-year financial news corpus comprising over 50,000 articles collected from the …

Social media has become a significant surrogate forspatial event forecasting. The accuracy
and discernibility of aspatial event forecasting model are two key concerns …

Extremism is a growing threat worldwide that presents a significant danger to public safety
and national security. Social networks provide extremists with spaces to spread their ideas …

This paper is a review of how information and insight can be drawn from open social media
sources. It focuses on the specific research techniques that have emerged, the capabilities …

We aim to predict activities of political nature influencing or reflecting societal‐scale
behavior and beliefs by applying learning algorithms to Twitter data. This study focuses on …