"Database Keyword Search Technology Research in Grid"
Project of National Science Foundation of China,
2005.1-2007.12

"Semantic Web Research of Demonstrative Subject and the Web Knowledge Editor "
Major Research Program of National Science Foundation of China
2004.1-2007.12

"Development and Application of a RDBMS Kingbase ES",
863 National Hi-Technology Project,
2005.4-2005.11, 2003.9-2004.9, 2002.9-2003.9

"Development of RDBMS ",
Beijing Major Plan of Science and Technology Project,
2003.1-2004.12

"The Theory for shared knowledge and Information "
National 973 Project of China
2002.1-2003.12

"Data Warehousing Technology Research "
Project of National Science Foundation of China,
2000.1-2002.12

"Embedded Mobile Database System and its application"
Major Project of National Education Committee, 1999-2000
863 National Hi-Technology Project, 2001

"Chinese Database System with the Natural Language Interface",
Major Project of National Science Foundation of China,
1997-1999

"Parallel Database and Knowledge Base System",
863 National Hi-Technology Project,
1994-1995, 1996-1998,1999-2000

"Parallel Database System Theory and Technology Research"
Project of National Science Foundation of China.
1995-1997, 1999-2001

"COBASE-a Cooperative Relational DBMS, Design and Implementation"
Projects of the Eighth and Ninth Five Years National Science and Technology,
1990~1995, 1996~1997

"Object Oriented Database management Systems ",
Project of National Science Foundation of China.
1990-1992

"Implementation Techniques Analysis of RDBMS ",
Projects of the Seventh Five Years National Science and Technology,
1989-1991

"Distributed Knowledge Base Systems "
Project of National Science Foundation of China.
1989-1991

"Distributed Query System for State Economic Information System"
Projects of the Seventh Five Years National Science and Technology,
1987-1990