This first-level discipline mainly has six research directions: computer network and its application, database and information system, artificial intelligence and its application, software engineering and theory, theoretical computer science and computer architecture. (1) computer network and its applications: high-performance network architecture and its protocols, distributed object computing and CORBA technology, protocol engineering, network security, network management, grid computing, network behavior, related algorithms and large-scale system construction technologies for mass data processing applications, large-scale storage architecture, network education, network manufacturing, and e-commerce.

(2) Database and information system: database management system, multi-database system integration, data warehouse and data mining, mobile database system and its application, Web data resources, enterprise information system, XML data management technology, biological data grid, spatial database and workflow technology.

(3) Artificial intelligence and its application: distributed artificial intelligence and multi-agent system, artificial neural network, fuzzy information processing and decision-making, fuzzy pattern recognition, inaccurate information processing, geographic information model and spatial reasoning.

(4) Software engineering and theory: programming language, software analysis and testing, software quality assurance, software formalization technology, new software methods and technologies, knowledge and information acquisition technology, semantic Web and Web engineering, and object-oriented technology.

(5) Theoretical computer science: quantum computing, information theory, fuzzy theory, approximate algorithm, random algorithm and distributed algorithm.

(6) Computer architecture: embedded application system and embedded operating system, modern industrial control system architecture, cluster system architecture, parallel computing and safety monitoring system.