Which linguistic analysis technique revolutionized retail sentiment analysis by enabling systems to understand contextual nuance and sarcasm in customer reviews?

In today's global marketplace, language processing technologies are revolutionizing how retailers understand consumer sentiment and behavior. Sophisticated linguistic analysis tools help brands capture nuanced feedback across multiple languages and cultural contexts. This poll tests your knowledge of how cutting-edge language technologies are being integrated into retail sentiment analysis systems.

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Transformer-based neural networks with contextual embeddings
Basic keyword frequency counting
Rule-based syntactic parsing
Simple Naive Bayes classification