Real-time collection of tweets about the COVID-19 pandemic in highly affected Italy• Automatic geotagging of tweets and detection of showing faces in their visual content• Further analysis of tweets to detect trending topics, user communities, and events• An online platform that visualises the analysed tweets in multi-level aspects• An interactive map and a visual analytics dashboard to monitor the pandemic crisis
This paper presents VERGE, an interactive video search engine that integrates multiple retrieval methodologies and also combines them with reranking and fusion techniques. Moreover, a user interface, implemented as a Web application, enables users to formulate queries, view the top retrieved shots and watch the respective videos, before submitting a shot to a VBS task, all in an efficient and easy manner.
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