Theme1 Algorithms and systems for big data search Data uncertainty management Big data analysis Distributed search and peer-to-peer search Smart contracts Big data search architecture, scalability, and efficiency Data collection, integration, cleaning, and best practices Big data visualization and analysis Blockchain technology Computational modeling and data integration Large recommendation systems and social media systems Link and Graph Mining Semantic based data mining and data preprocessing image processing Multimedia communication technology Communication signal processing Adaptive signal processing Speech signal processing image processing Data analysis Modeling methods Modeling research data mining data warehouse Big data technology Data driven 3D technology Point cloud data Data processing; Intelligent agent modeling Modeling and prediction Innovative database technology and data processing Model fitting and data analysis Data Warehouse and Knowledge Discovery Database management and information retrieval Mathematical models and regression analysis The Application of Machine Learning and Deep Learning in Data Modeling Fusion and integration of multi-source data Time series analysis and prediction Spatial Data Analysis and Geographic Information Systems Complex Network Analysis and Graph Algorithms Data mining and knowledge discovery Theme2 Cloud computing systems and architecture Edge computing system and architecture Social and mobile cloud applications Large scale cloud applications Encryption algorithms and protocols Fault tolerance, high availability, and reliability Resource, Energy, and Data Management Storage systems and new technologies SDN and Data Center Network Blockchain system Information technology in enterprises High order spectral analysis Hardware Implementation of Signal Processing Image processing and understanding Computer Vision and Virtual Reality Multimedia and human-computer interaction Statistical learning and pattern recognition Artificial Intelligence and Neural Networks Internet and wireless communication service providers Database technology Parallel, parallel, and distributed systems Computer Network Technology and Equipment intelligent network Computer Networks and Communications