Which linguistic analysis technique has most significantly improved e-commerce search engines' ability to understand customer queries?

In the digital retail landscape, language plays a crucial role in guiding customers through their shopping experience. From product descriptions to search algorithms, linguistic principles are embedded throughout the e-commerce customer journey. This trivia question explores how language analysis has revolutionized one particular aspect of online retail platforms. Test your knowledge about the intersection of linguistics and e-commerce technology!

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Semantic analysis (understanding meaning and intent behind search queries)
Phonological analysis (studying sound patterns in spoken language)
Morphological analysis (studying word structures and formations)
Syntactic analysis (analyzing grammatical sentence structures)