We have implemented the fuzzy SQL for both crisp and fuzzy relational
databases. Recently, we created a new model, fuzzy membership cloud,
based on which a very effective retrieve system can be built fully
compatibal with the commercial DBMS products.
If you are interested, please contact:
dli@csee.usf.edu
http://www.csee.usf.edu/~dli
http://www.eng.usf.edu/~luo
Dr. Deyi Li