---
sidebar_position: 3
slug: /autokeyword_autoquestion
---

# Auto-keyword Auto-question
import APITable from '@site/src/components/APITable';

Use a chat model to generate keywords and questions from the original chunks.

---

When selecting a chunking method, you can also enable auto-keyword or auto-question generation to increase retrieval rates. This feature uses a chat model to produce a specified number of keywords and questions from each created chunk, creating a layer of higher-level information from the original content.

:::tip NOTE
Enabling this feature increases document indexing time, as all created chunks will be sent to the chat model for keyword or question generation.
:::

- **Auto-keyword**  
   - **Definition:** The number of additional keywords the LLM generates for each chunk. By supplying synonyms for text that is unfriendly to tokenization or multilingual content, this improves recall for full-text or hybrid retrieval. It can also be used to correct bad cases. Disabling this can significantly accelerate parsing.  
   - **Common Values:**  
     - `0`: Disabled;  
     - `3`-`5` = Recommended (if a chunk has over a thousand characters, more keywords may be needed);  
     - Maximum `30`. Note that, as the number increases, the marginal benefit decreases.  

- **Auto-question**  
   - **Definition:** Generates potential FAQ-style questions for each chunk, making retrieval matches more aligned with real user queries (Who/What/Why).  
   - **Common Values:**  
     - `0` = disabled;  
     - `1–2` = commonly used (if a chunk has thousands of characters, more may be needed);  
     - Upper limit `30` (to avoid generating too many at once). Can also be used to correct bad cases.  
   - **Typical Use Cases:** Scenarios requiring FAQ retrieval, such as product manuals, policy documents, etc.


## Configuration

On the **Configuration** page of your knowledge base, you will find the Auto-keyword and Auto-question sliders under **Page rank**.

:::tip NOTE
The Auto-keyword or Auto-question value must be an integer. If you set their value to a non-integer, say 1.7, it will be rounded down to the nearest integer, which in this case is 1.
:::


## Best practices

If you are uncertain how to set auto-keyword or auto-question values, here are some best practices gathered from our community:

```mdx-code-block
<APITable>
```

| Use cases or typical scenarios                                      | Document volume/length          | Auto_keyword (0–30)        | Auto_question (0–30)       |
|---------------------------------------------------------------------|---------------------------------|----------------------------|----------------------------|
| 1. Internal Process Guidance for Employee Handbook                  | Small, under 10 pages           | 0                          | 0                          |
| 2. Customer Service FAQ Hot Questions                               | Medium, 10–100 pages            | 3–7                        | 1–3                        |
| 3. Technical Whitepapers: Development Standards, Protocol Explanations | Large, over 100 pages        | 2–4                        | 1–2                        |
| 4. Contracts / Regulations / Legal Clause Retrieval                 | Large, over 50 pages            | 2–5                        | 0–1                        |
| 5. Multi-repository Layered New Documents + Old Archive             | Many                            | Adjust as appropriate      |Adjust as appropriate       |
| 6. Social Media Comment Pool: Multilingual & Mixed Spelling         | Very large volume of short text | 8–12                       | 0                          |
| 7. Operational Logs for DevOps Troubleshooting                      | Very large volume of short text | 3–6                        | 0                          |
| 8. Marketing Asset Library: Multilingual Product Descriptions       | Medium                          | 6–10                       | 1–2                        |
| 9. Training Courseware / eBooks                                     | Large                           | 2–5                        | 1–2                        |
| 10. Maintenance Manual: Equipment Diagrams + Steps                  | Medium                          | 3–7                        | 1–2                        |

```mdx-code-block
</APITable>
```