Which NLP advancement has most significantly improved product search accuracy on e-commerce platforms in recent years?

Natural Language Processing (NLP) has revolutionized how e-commerce platforms interact with consumers. From search functionalities to customer service chatbots, language technology has become a critical component in creating personalized shopping experiences. This poll tests your knowledge about how language technology is transforming the e-commerce landscape and enhancing product discoverability through linguistics-based solutions.

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BERT (Bidirectional Encoder Representations from Transformers) models that understand context and search intent
Simple keyword matching algorithms with expanded vocabulary databases
Audio-to-text transcription for voice searches with basic language understanding
Automated translation systems that convert queries between languages