What are AI Evals? Why do you evaluate AI applications before launching them?
AI Evals refers to systematic evaluation of large models or AI applications. It's not just about asking a few random questions to get a feel, but turn...
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What is LoRA fine-tuning? Why can you train dedicated models at such a low cost?
LoRA stands for Low-Rank Adaptation, commonly referred to in Chinese as '低級適' (低級配). It is a highly efficient method for fine-tuning parameters: inste...
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What is a vector database? How is it different from a regular database?
A vector database is a database specifically designed to store, index, and query vector data. Ordinary databases excel at precise field-based queries,...
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What is Embedding? Why AI can search by semantics
Embedding can be understood as converting text, images, audio, and other content into a string of digital vectors. AI can search by semantic not becau...
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What is RAG? Why knowledge base Q&A can't do without searching
RAG stands for Retrieval-Augmented Generation, commonly called Retrieval-Augmented Generation in Chinese. Its core is not to have the model remember a...
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What is A2A Protocol (Agent2Agent)? Why multi-agent collaboration is starting to want a common language
A2A protocol, full name Agent2Agent, refers to a set of universal interaction protocols that allow different AI agents to discover each other's capabi...
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