Lexical variation in English language podcasts, editorial media, and social media Jussi Karlgren author 2022 text journal article Northern European Journal of Language Technology continuing Linköping University Electronic Press Linköping, Sweden periodical academic journal karlgren-2022-lexical 10.3384/nejlt.2000-1533.2022.3566 https://aclanthology.org/2022.nejlt-1.8/ 2022 8