Verified65% confidenceFactExact time
PDF is essentially a page description language oriented toward printing, storing the absolute coordinates of characters rather than semantic structure internally, leading to parsing challenges such as the need for OCR with scanned versions, disordered reading order in multi-column layouts, and loss of row-column relationships in tables.
3
Sources
65%
Confidence
Long-term
Relevance
7/25/2026
First Seen
Sources
本地离线RAG应用实战：用Ollama+ChromaDB构建PDF私密问答系统
redditr/ollama7/12/2026
Related Claims
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