Stefanos Vrochidis

• Dark Web Investigation
• Multimedia Tools and Applications for Environmental & Biodiversity Informatics
• Big Data Analytics for Large-Scale Multimedia Search
• Collective Online Platforms for Financial and Environmental Awareness
• Experimental IR Meets Multilinguality, Multimodality, and Interaction
• Paradigms on Technology Development for Security Practitioners
• Proceedings of the 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction
• Proceedings of the 2nd International Workshop on Environmental Multimedia Retrieval