Sophia: a flexible, Web-based knowledge server
Neil F. Abernethy, J.J. Wu, Micheal Hewett, R.B. Altman · IEEE Intelligent Systems and their Applications · 1999
Sophia is a frame based knowledge server built on a commercial relational database system. The system is thus simple and inexpensive, while also providing some advanced functionality. Sophia is accessible to users through the Web or to client applications through an API.