Which pioneering NLP technique revolutionized retail sentiment analysis by enabling machines to understand contextual nuance in customer reviews?

Natural Language Processing (NLP) has transformed how retailers understand customer needs and preferences. Modern language AI can analyze customer feedback, reviews, and social media mentions to extract valuable insights about product perception and consumer sentiment. This poll tests your knowledge about cutting-edge applications of linguistic technology in the retail sector and how language analysis is reshaping customer experience.

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BERT (Bidirectional Encoder Representations from Transformers)
RNN (Recurrent Neural Networks)
TF-IDF (Term Frequency-Inverse Document Frequency)
LSA (Latent Semantic Analysis)