Electronic information engineering:
Signal communication
Network
Signal and image processing
Computer Science and Engineering
Large-scale integrated circuit
System and Control
Electronic energy system
Photons & Optics 
Electromagnetics
Computer Architecture
Embedded software 
Micro electromechanical systems, etc
Big data:
Big data analysis
Data Science Models and Methods
Algorithms for big data
Big data search and information retrieval technology
Big data collection, integration, cleaning, and best practices
Big Data and Deep Learning
Scalable computing models, theories, and algorithms
Memory systems and platforms for big data analysis
Big data and high-performance computing
Network infrastructure for big data
Performance evaluation report of big data system
Resource Management Methods for Big Data Systems
Internet of Things big data application
Mobile applications of big data
Big data applications in smart cities
Scalability of big data systems
Big data privacy and security, etc
Computer Science:
System and Network
Artificial Intelligence and Robotics
Computer Privacy and Security
Programming language
Database
Computer graphics
Algorithm
Software engineering
Computer vision 
Human computer interaction, etc