Regarding decisions-making heavily relies on survey while the evaluation on the data quality of survey varies, this research attempts to: (a) Constructing a web-based decision support mechanism: Survey Knowledge Management Systems (SKMS). (b) Initiating a total solution for survey environment through knowledge management (KM) including methodological accuracy, socio-cultural fit, and usability for internet-intranet users.

The SKMS consist of 4 systems: Sampling Management System, Measuring/Questionnaires Designing Support System, Group Interviewing Management System, and Data Analysis/Decision Support System.

The developing of SKMS and the collecting of parameters of the knowledge were based on a 20-year series of empirical survey researches.

Keywords: Survey, Decision Support, Knowledge Management, Information Systems, CATI