Social media tools are integrated in most parts of our daily lives, as citizens, netizens,
researchers or emergency responders. Lessons learnt from disasters and emergencies that …

Social media platforms allow users worldwide to create and share information, forging vast
sensing networks that allow information on certain topics to be collected, stored, mined, and …

Social media communication serves as an integral part of the crisis response following a
mass emergency (disaster) event. Regardless of the kind of disaster event, whether it is a …

In recent times, humanitarian organizations increasingly rely on social media to search for
information useful for disaster response. These organizations have varying information …

The task of event relation extraction (ERE) aims to organize multiple events and their
relations as a directed graph. However, existing ERE methods exhibit two limitations:(1) …

Event detection is a research area that attracted attention during the last years due to the
widespread availability of social media data. The problem of event detection has been …

Social media is inevitably the most abundant source of actionable information in times of
natural disasters. Most of the data is either available in the form of text, images or videos …

Social media, in recent years, have become an invaluable source of information for both
public and private organizations to enhance the comprehension of people interests and the …

Emerging events, such as the COVID pandemic and the Ukraine Crisis, require a time-
sensitive comprehensive understanding of the situation to allow for appropriate decision …

In this paper we present a novel method for clustering words in micro-blogs, based on the
similarity of the related temporal series. Our technique, named SAX*, uses the Symbolic …