Document Loading
Document loading is the process of reading files (PDF, HTML, Markdown, DOCX) and converting them into a uniform text-document object that downstream RAG components can chunk and embed.
What is Document Loading?
Document loading is the process of reading files (PDF, HTML, Markdown, DOCX) and converting them into a uniform text-document object that downstream RAG components can chunk and embed.
Document loading is the process of reading files (PDF, HTML, Markdown, DOCX) and converting them into a uniform text-document object that downstream RAG components can chunk and embed.
Where is it used?
LangChain `PyPDFLoader`, `WebBaseLoader`, and LlamaIndex `SimpleDirectoryReader` handle loading; Unstructured.io supports 25+ file types for enterprise RAG pipelines.
How to build it
In LangChain, use `PyPDFLoader("doc.pdf").load()` to get a list of `Document(page_content=..., metadata={...})` objects; inspect `.page_content` and `.metadata` to verify extraction quality.