Executive Support System (ESS)
Helps executives to make unstructured strategic decisions in an informed way
Examples: drill-down analysis, status access
Group Decision Support System (GDSS)
Permit group members to interact with electronic support
Examples: email, Lotus Notes
Computer-Supported Collaborative Work System (CSCWS)
CDCWS is a more general term of GDSS
May include software support called “groupware” for team collaboration via network computers
Example: video conferencing, Web survey system