On the Role of Fitness Dimensions in API Design Assessment - An Empirical Investigation - Zghidi, Amir; Hammouda, Imed; Hnich, Brahim; Knauss, Eric (2017 IEEE/ACM 1st International Workshop on API Usage and Evolution (WAPI), API Usage and Evolution (WAPI), 2017 IEEE/ACM 1st International Workshop on, WAPI, 2017)