... frequent words F to generalizewords to word classes”. We define a word classas either a word itself or its part of speech. Givena sentence s = w1, w2, . . . , w|s|, where wiis thei-th word ... repre-sentation for elearning environments. In Proc. ofApplications for Romanian. Proceedings of RANLPworkshop, pages 19–25.Wenbin Jiang, Haitao Mi, and Qun Liu. 2008. Word lattice reranking for chineseword ... such as information re-trieval, information extraction and summarization,the use of word lattices has been postulated but isconsidered unrealistic because of the dimension ofthe hypothesis...