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ragflow/rag/prompts/assign_toc_levels.md
Billy Bao 1a47e136e3 Feat: Adds a new feature that enables the LLM to extract a structured table of contents (TOC) directly from plain text. (#10428)
### What problem does this PR solve?

**Adds a new feature that enables the LLM to extract a structured table
of contents (TOC) directly from plain text.**
_This implementation prioritizes efficiency over reasoning — the model
runs in a strictly deterministic mode (thinking disabled) to minimize
latency.
As a result, overall performance may be less optimal, but the extraction
speed and consistency are guaranteed._

### Type of change

- [x] New Feature (non-breaking change which adds functionality)
2025-10-09 13:47:31 +08:00

53 lines
1.9 KiB
Markdown

You are given a JSON array of TOC items. Each item has at least {"title": string} and may include an existing structure.
Task
- For each item, assign a depth label using Arabic numerals only: top-level = 1, second-level = 2, third-level = 3, etc.
- Multiple items may share the same depth (e.g., many 1s, many 2s).
- Do not use dotted numbering (no 1.1/1.2). Use a single digit string per item indicating its depth only.
- Preserve the original item order exactly. Do not insert, delete, or reorder.
- Decide levels yourself to keep a coherent hierarchy. Keep peers at the same depth.
Output
- Return a valid JSON array only (no extra text).
- Each element must be {"structure": "1|2|3", "title": <original title string>}.
- title must be the original title string.
Examples
Example A (chapters with sections)
Input:
["Chapter 1 Methods", "Section 1 Definition", "Section 2 Process", "Chapter 2 Experiment"]
Output:
[
{"structure":"1","title":"Chapter 1 Methods"},
{"structure":"2","title":"Section 1 Definition"},
{"structure":"2","title":"Section 2 Process"},
{"structure":"1","title":"Chapter 2 Experiment"}
]
Example B (parts with chapters)
Input:
["Part I Theory", "Chapter 1 Basics", "Chapter 2 Methods", "Part II Applications", "Chapter 3 Case Studies"]
Output:
[
{"structure":"1","title":"Part I Theory"},
{"structure":"2","title":"Chapter 1 Basics"},
{"structure":"2","title":"Chapter 2 Methods"},
{"structure":"1","title":"Part II Applications"},
{"structure":"2","title":"Chapter 3 Case Studies"}
]
Example C (plain headings)
Input:
["Introduction", "Background and Motivation", "Related Work", "Methodology", "Evaluation"]
Output:
[
{"structure":"1","title":"Introduction"},
{"structure":"2","title":"Background and Motivation"},
{"structure":"2","title":"Related Work"},
{"structure":"1","title":"Methodology"},
{"structure":"1","title":"Evaluation"}
]