1. Salton G, Wong A, Yang C-S (1975) A vector space model for automatic indexing. Commun ACM 18(11):613–620
2. Manning C, Schütze H (1999) Foundations of statistical natural language processing. MIT Press, Cambridge, MA
3. Aston G, Burnard L (1998) The BNC handbook: exploring the British national corpus with SARA. Edinburgh University Press, Edinburgh
4. Church K, Hanks P (1990) Word association norms, mutual information, and Lexicography. Comput Linguist 16(1):22–29
5. Firth JR (1951) Modes of meaning. In: Firth JR