Intelligent Backend Menu Search with OpenAI Embeddings, LangChain, and DIFY

The article demonstrates how to improve backend menu navigation by building a knowledge base of menu metadata, generating concise Chinese descriptions with OpenAI embeddings, and implementing RAG retrieval using both LangChain code orchestration and DIFY’s visual workflow, highlighting each approach’s flexibility and ease of use.

Backend SearchKnowledge BaseLangChain

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Intelligent Backend Menu Search with OpenAI Embeddings, LangChain, and DIFY

dbaplus Community

Dec 6, 2022 · Backend Development

How Meituan Cut Elasticsearch Search Latency by 84% with an RLE‑Based Inverted Index

This article details Meituan's search‑engine team optimization of Elasticsearch for a high‑traffic LBS scenario, describing the performance bottlenecks in term‑posting retrieval and merging, the design of a run‑length‑encoding (RLE) inverted index, its integration as a plugin, extensive benchmarking, and the resulting 84% reduction in TP99 query latency.

Backend SearchElasticsearchRoaringBitmap

0 likes · 25 min read