@book{ BA36285507, author = "Varile, Giovanni Battista and Zampolli, Antonio and Cole, Ronald and Mariani, Joseph", title = "Survey of the state of the art in human language technology", publisher = "Cambridge University Press,Giardini Editori", year = "1997", series = "Studies in natural language processing", number = "", URL = "https://ci.nii.ac.jp/ncid/BA36285507" }