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README.md
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---
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license: apache-2.0
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---
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> **Languages:** [简体中文](README_ZH.md) · [English](README.md)
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# dojo_sector_info — Sector Taxonomy
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## Overview
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Three-level sector taxonomy (L1 industry → L2 chain → L3 sub-sector) with bilingual Chinese/English names and definitions.
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## Files
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| File | Description |
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|------|-------------|
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| `data.parquet` | Taxonomy tree (one L1 row each; L2/L3 nested in `children`) |
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## Key Fields
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| Field | Description |
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|-------|-------------|
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| `id` | L1 sector ID |
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| `name` / `name_alias` | L1 English name / Chinese alias |
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| `description` / `description_alias` | L1 English / Chinese definition |
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| `children` | JSON array nesting L2 → L3 nodes (`id`, `name`, `name_alias`, `description`, `level`, …) |
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| `symbol` | Placeholder (e.g. `ALL`), not a stock ticker |
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### children Node Shape (L2 / L3)
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```json
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{
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"id": 13,
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"name": "Consumer Electronics",
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"name_alias": "消费电子",
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"description": "...",
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"description_alias": "...",
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"level": 2,
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"children": []
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}
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```
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## Scale (reference)
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~**11** L1 root rows; hundreds of L3 paths when the tree is expanded.
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## Related Datasets
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- [dojo_sector_symbol_relations](https://huggingface.co/datasets/AlphaDojo/dojo_sector_symbol_relations) — ticker assignments to L3 paths
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- [dojo_sector_precomputed](https://huggingface.co/datasets/AlphaDojo/dojo_sector_precomputed) — precomputed indices built from this taxonomy
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## Notes
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- Vendor `industry` / `sector` in [dojo_stock_info](https://huggingface.co/datasets/AlphaDojo/dojo_stock_info) is a **separate** classification from this taxonomy.
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