Since both hyperlinks and HTML entities are split over multiple tokens, it would be hard to remove them after tokenization. Changed in version 0. Will Smith. In part-of-speech tagging or POS-tagging, each word is enriched with information on its function in the sentence: verb, noun, determiner etc. The bag-of-words representations that we have explored so far only describe a document in a standalone fashion, not taking into account the context of the corpus.
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