Theme1 cloud computing Smart contracts Big data analysis Blockchain technology Big data applications Big data algorithms Big data services Link and Graph Mining Data flow applications Data uncertainty management Big data and deep learning IoT big data applications Big data visualization and analysis Computational modeling and data integration Data Science Models and Methods Big data and high-performance computing Algorithms and systems for big data search Distributed search and peer-to-peer search Big Data System Performance Evaluation Report Big data search and information retrieval technology Large recommendation systems and social media systems Scalable computing models, theories, and algorithms A Resource Management Method for Big Data Systems Big data search architecture, scalability, and efficiency Data collection, integration, cleaning, and best practices Semantic based data mining and data preprocessing Memory systems and platforms for big data analysis Theme2 economic policy economic system financial stability Financial knowledge Urban and rural development economic system Economic Methodology Financial Economics tourism economics Industrial Economics environmental economics political economics sustainable development Economic Methodology Islamic economics Advanced Microeconomics Advanced Macroeconomics Regional/International Trade Sustainable economic development Methods of enterprise mergers and acquisitions Agriculture and integrated agricultural enterprises Business big data analysis and application Sustainable urban transportation and environment Marketing methods in the modern economic environment Economic statistics and econometric analysis International Economics (International Market Analysis) Financial Economics (Enterprise Financial Management)