NLP
Semantic Search
A smarter search that understands what you mean, not just what you typed, so "car problems" finds results about "vehicle issues."
Definition
Search technology that understands the meaning and intent behind queries, not just keyword matches. Uses embeddings and vector similarity to find semantically related content.
Why it matters
Dramatically improves search quality for RAG systems, knowledge bases, and e-commerce, users find what they need, not just what they typed.
Related terms in NLP
BERT
Google's breakthrough AI model that reads sentences in both directions at once to understand context better.
Chain of Thought (CoT)
Asking an AI to "show its work" and think step-by-step, which makes it much better at solving math and logic problems.
Context Window
The maximum amount of text an AI can read and consider at one time, like how many pages of notes it can hold in its head.
Conversational AI
AI that can have natural back-and-forth conversations with humans, chatbots, voice assistants, and customer service bots.
From vocabulary to outcomes
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