2 In this step we perform sentence segmentation, tokenization, lemmatization, morphological analysis, part-of-speech tagging and dependency parsing, following the Universal Dependencies scheme (Nivre et al., 2016).
the pre-processing set-up is slightly complicated by the fact that the Norwegian language has two official written standards -Bokmål (the main variety) and Nynorsk -both of which are represented in the review corpus.