Oppenheim, C.; Morris, A.; McKnight, C.; Lowley, S. - In: Journal of Documentation 56 (2000) 2, pp. 190-211
The literature of the evaluation of Internet search engines is reviewed. Although there have been many studies, there has been little consistency in the way such studies have been carried out. This problem is exacerbated by the fact that recall is virtually impossible to calculate in the fast...