1. France, R., Rumpe, B.: Model-driven development of complex software: A research roadmap. In: Intl. Conf. on Software Engineering, pp. 37–54 (2007)
2. Balaban, M., Kifer, M.: An overview of F-OML: An F-Logic based object modeling language. Electronic Communications of the EASST 36 (2011)
3. Kifer, M., Lausen, G., Wu, J.: Logical foundations of object-oriented and frame-based languages. Journal of ACM 42, 741–843 (1995)
4. Kifer, M., Kim, W., Sagiv, Y.: Querying object-oriented databases. In: ACM SIGMOD Conf. on Management of Data, pp. 393–402. ACM, NY (1992)
5. Kifer, M.: FLORA-2: An object-oriented knowledge base language. The FLORA-2 Web Site (2007), http://flora.sourceforge.net