Review of Unsupervised POS Tagging and Its Implications on Language Acquisition

• URL: http://arxiv.org/abs/2312.10169v1
• Date: Fri, 15 Dec 2023 19:31:00 GMT
• Title: Review of Unsupervised POS Tagging and Its Implications on Language Acquisition
• Authors: Niels Dickson
• Abstract summary: An ability that underlies human syntactic knowledge is determining which words can appear in the similar structures. In exploring this process, we will review various engineering approaches whose goal is similar to that of a child's. We will discuss common themes that support the advances in the models and their relevance for language acquisition.
• Score: 0.0
• License: http://creativecommons.org/publicdomain/zero/1.0/
• Abstract: An ability that underlies human syntactic knowledge is determining which words can appear in the similar structures (i.e. grouping words by their syntactic categories). These groupings enable humans to combine structures in order to communicate complex meanings. A foundational question is how do children acquire this ability underlying syntactic knowledge. In exploring this process, we will review various engineering approaches whose goal is similar to that of a child's -- without prior syntactic knowledge, correctly identify the parts of speech (POS) of the words in a sample of text. In reviewing these unsupervised tagging efforts, we will discuss common themes that support the advances in the models and their relevance for language acquisition. For example, we discuss how each model judges success (evaluation metrics), the "additional information" that constrains the POS learning (such as orthographic information), and the context used to determine POS (only previous word, words before and after the target, etc). The identified themes pave the way for future investigations into the cognitive processes that underpin the acquisition of syntactic categories and provide a useful layout of current state of the art unsupervised POS tagging models.

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