Automatic term class construction using relevance--A summary of work in automatic pseudoclassification.

Gerard Salton Automatic term class construction using relevance--A summary of work in automatic pseudoclassification. 1-15 1980 16 Inf. Process. Manage. 1 http://dx.doi.org/10.1016/0306-4573(80)90002-3 db/journals/ipm/ipm16.html#Salton80