Building Japanese Business RAG with DeepSeek: Chunking to Evaluation

本文以日语发表。中文摘要如下：

Building Japanese Business RAG with DeepSeek: Chunking to Evaluation—Building a Japanese business RAG pipeline with DeepSeek V3.2 plus Sarashina-Embedding/Multilingual-E5: chunking strategy, hybrid retrieval, reranking and nDCG-driven evaluation.