In Cognigy AI, Lexicon and Knowledge serve distinct purposes in natural language understanding. Lexicon is rule-based, using hardcoded synonyms to normalize input before intent recognition — no word vectors involved. In contrast, Knowledge leverages semantic search with vector embeddings to retrieve answers from documents, making it ideal for dynamic Q&A use cases. Knowing when to use each unlocks smarter virtual agents.

According to McKinsey, employees spend an average of 1.8 hours per day —or 9.3 hours per week —seeking internal support. Depending on the...

How long does it take to learn Cognigy AI? 100 hours? 200 hours? More?