Jussi Karlgren is known for having pioneered the application of computational linguistics to stylometry,[4] for having first formulated the notion of a recommender system,[5][6][7] and for his continued work in bringing non-topical features of text to the attention of the information access research field.
Karlgren's research is focused on questions relating to information access, genre and stylistics, distributional pragmatics, and evaluation of information access applications and distributional models.
^"Ihan varmasti on vaikutusta". sverigesradio.se (in Finnish). 23 October 2013. Retrieved 7 March 2018. Jussi Karlgren: "meitä oli aika monta, jotka – niin kuin minäkin – että yksi vanhemmista oli suomalainen" (c. 6:19–6:25 in the radio interview)