... attachments. 2 Class-based Estimation of Strength of Association The strength of association (SA) may be measured using the frequencies of word co- occurrences in large corpora. For instance, Church ... Reliable Estimation of Strength of Association Haodong Wu Eduardo de Paiva Alves Teiji Furugori Department of Computer Science University of Electro-Communications 1-5-1, Chofugaoka, Chofu, ... numbers of occurrences of all the words included in the word classes C1 and C2, and f(C1, C2) is the number of co-occurrences of the word classes C1 and C2. Normally, the estimation using...