Change, event and community detection techniques

D4.4 [Lead: CERTH; due M33; contribution: MS5] Change, event and community detection techniques: D4.2 describes the concept extraction and event detection techniques from non-EO data, Social Media and Web information, that are used to support decision making in EOPEN. In addition, this document reports the community detection techniques and the methods to identify and visualise user accounts that act as key-players. The final results of the change detection techniques are also reported in D4.4.