Akira Osada, Daigo Ozawa, Naoyuki Kitazawa, Haruhiko Kaiya, Kenji Kaijiri. Proposing metrics of difficulty of domain knowledge using usecase diagrams. In Roger L. Wainwright, Hisham Haddad, editors, Proceedings of the 2008 ACM Symposium on Applied Computing (SAC), Fortaleza, Ceara, Brazil, March 16-20, 2008. pages 624-629, ACM, 2008. [doi]
Abstract is missing.