We explain these results on the basis of the principle developed for the human correlation data: To reflect natural judgments of similarity for comparisons of representations of differing sparseness, α should be tipped toward the sparser representation.
α = .80 works best for high rank target words, because most nearest neighbor candi-MC/RG Wdsm201 Wdsm353 α = .5 opt opt α α = .5 opt opt α α = .5 opt opt α DICE PROD .65 .