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Improve bot accuracy with Amazon Lex Assisted NLU | Amazon Web Services

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Improving bot accuracy in Amazon Lex starts with handling how customers communicate naturally. Your customers express the same request in dozens of different ways, combine multiple pieces of information in one sentence, and often speak ambiguously. The Assisted NLU (natural language understanding) feature in Amazon Lex helps you improve bot accuracy by handling these natural language variations. Traditional natural language understanding systems struggle with this variability, which can lead customers to repeat themselves or abandon conversations.

The challenge:Rule-based NLU systems require developers to manually configure every possible utterance variation, a time-consuming task that still leaves coverage gaps. A hotel booking bot trained on “book a hotel” fails when your customers say, “I’d like to reserve accommodations for my trip.” Complex requests like “Book me a suite at your downtown Seattle location for December 15th through the 18th” often lose critical details (room type, location, dates). Ambiguous phrases like “I...

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WoW: Forever senior game designer says there is 'really well-buried stuff' in the game 'that's going to take people a long time to find' that was 'turned off' for the beta — 'There's going to be things to discover that we didn't surface'

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