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Mining insights from large volume of social media texts with minimal supervision is a highly challenging Natural Language Processing (NLP) task. While Language Models’ (LMs) efficacy in several downstream tasks is well-studied, assessing their applicability in answering relational questions, tracking perception or mining deeper insights is under-explored. Few recent lines of work have scratched the surface by studying pre-trained LMs’ (e.g., BERT) capability in answering relational questions through “fill-in-the-blank” cloze statements (e.g., [Dante was born in MASK]). BERT predicts the MASK-ed word with a list of words ranked by probability (in this case, BERT successfully predicts Florence with the highest probability). In this paper, we conduct a feasibility study of fine-tuned LMs with a different focus on tracking polls, tracking community perception and mining deeper insights typically obtained through costly surveys. Our main focus is on a substantial corpus of video comments extracted from YouTube videos (6,182,868 comments on 130,067 videos by 1,518,077 users) posted within 100 days prior to the 2019 Indian General Election. Using fill-in-the-blank cloze statements against a recent high-performance language modeling algorithm, BERT, we present a novel application of this family of tools that is able to (1) aggregate political sentiment (2) reveal community perception and (3) track evolving national priorities and issues of interest.
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