005.7 Big data Decision Support Early Warning Focused crawling Internet of Things Multimedia data mining Multimedia retrieval Sensors Adaptive learning Collaborative filtering Crisis Management DBSCAN Dark web Darknets Data Aggregation Data Integration Dynamic linear combination EU CAP non-compliance checking Freenet Graph of Words Graph-based models Healthcare I2P Islamic extremism Knowledge Base MediaEval MovieLens100k NLP Non-linear fusion Online learning Ontologies Ontology Ontology Visualization Ontology-based dialogue management Reasoning Semantic Modelling Sensor data analysis Tor Virtual assistant Visual and audio analysis Visualization Web bot detection advanced web bots centrality measures clustering community detection crop type classification data fusion for decision-making emotion detection