BURNETT, JOHN E.; COOPER, DAVID; LYNCH, MICHAEL F.; … - In: Journal of Documentation 35 (1979) 3, pp. 197-206
A study has been made of the effect of controlled variations in indexing vocabulary size on retrieval performance using the Cranfield 200 and 1400 test collections. The vocabularies considered are sets of variable‐length character strings chosen from the fronts of document and query terms so...