title: inverted files versus signature files for text indexing acm trans . database syst .. authors: j zobel , a moffat , k ramamohanarao. venue: nan. year: 1998.0
title: inverted files versus signature files for text indexing 1998.0. authors: j zobel , a moffat , k ramamohanarao. venue: acm transactions on database systems ,. year: nan