1. Bitton D., Dewitt D.J., Turbyfill C. (1983) Benchmarking database systems: a systematic approach, Proc. VLDB Conference, pp 8–19.
2. Blasgen M.W., Eswaran K.P. (1976) On the evaluation of queries in a relational database system, IBM Systems Journal, vol 16, pp 363–377.
3. Bosc P., Galibourg M. (1988a) Flexible selection among objects: a framework based on fuzzy sets, Proc. SIGIR Conference, pp 433–449.
4. Bosc P., Galibourg M., Hamon G. (1988b) Fuzzy querying with SQL: extensions and implementation aspects, Fuzzy sets and systems 28, pp 333–349.
5. Bosc P, Pivert O. (1989) Algorithms for flexible selection in relational databases, Proc 10th ASLIB Conference (G-B), pp 211–226.