---
title: "基于依存句法的中文语义模型及语义提取方法 — 王佳琦 2023"
description: "Chinese semantic extraction usually relies on intent recognition and slot filling."
authors: ["王佳琦", "韩军", "孙启童"]
year: 2023
venue: "中文信息学报 (Journal of Chinese Information Processing)"
source: "http://jcip.cipsc.org.cn/article/id/zwxxxb_3607"
licence: "Free access (jcip.cipsc.org.cn), no open licence stated — readonly; © 中文信息学报"
summary_licence: "Elamur Cosmic License"
canonical: "https://research.elamur.ai/free/papers/wang-2023-chinese-semantic-model/"
---
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# 基于依存句法的中文语义模型及语义提取方法

**Authors:** 王佳琦, 韩军, 孙启童 · **Year:** 2023 · **Venue:** 中文信息学报 (Journal of Chinese Information Processing) · **Licence:** Free access (jcip.cipsc.org.cn), no open licence stated — readonly; © 中文信息学报

**Links:** [Publisher's page](http://jcip.cipsc.org.cn/article/id/zwxxxb_3607) · [PDF](http://jcip.cipsc.org.cn/cn/article/pdf/preview/zwxxxb_3607.pdf)

## Summary
Chinese semantic extraction usually relies on intent recognition and slot filling. These approaches need large annotated training sets, and the resulting models transfer poorly to new tasks. The authors propose a rule-driven alternative built on dependency parses, using word segmentation, POS tags and dependency arcs produced by the LTP toolkit. They define four semantic representations for different extraction scenarios: a key-value model, a slot model, a tree model and a path model. These are paired with three extraction procedures:
- keyword-driven inspection of the parse tree,
- recursive subject–verb–object decomposition,
- matching of user-written templates against root-to-leaf dependency paths.

The evaluation uses 5,000 manually labelled BCC corpus sentences built around five Chinese interrogative pronouns. On a small, imbalanced 1,000-sentence subset for 多少, the template-based method surpasses seven deep-learning text classifiers once more than about 25 templates are configured. The work matters for low-resource settings because its rules need little labelled data and can be reused across domains. The trade-off is manual linguistic effort to write those rules.

## Key points
- **Four models and three algorithms.**
  - Models: key-value, slot (`$`+POS placeholders), tree (five clause patterns plus three modifier relations), and path (templates over dependency paths).
  - Algorithms: keyword-based, tree-based and extensible template-based extraction.
- **Parser and knowledge base.**
  - Parsing relies on LTP with HIT/CDT-style relations (SBV, VOB, ATT, POB, etc.), not UD. The paper cites 89.5% parsing accuracy on the Chinese Dependency Treebank (CDT).
  - A hand-built knowledge base maps 2,513 common words to "semantic ontology" entries with importance and frequency attributes.
- **Dataset.** The BCC corpus (Beijing Language and Culture University) supplied 1,000 sentences each for 怎么, 什么, 哪, 多少 and 谁. Senses were manually annotated; 怎么 was split into six sense classes, including combined ones.
- **Effect of template count.** Accuracy of the template algorithm rises with the number of templates and flattens beyond roughly 20, by which point about 90% of sentences are handled. The remaining errors are mostly edge cases.
- **Comparison with deep-learning classifiers.**
  - Setup: the 多少 subset (six classes, 3:1:1 train/dev/test split) against TextCNN, TextRNN, FastText, TextRCNN, TextRNN_Att, DPCNN and Transformer.
  - Baselines: the best was TextRNN at 86.72%, most others reached 85.94%, and FastText reached 85.16%.
  - Result: the rule-based method exceeds them with more than 25 templates.

*Our summary of the paper, in our own words — not its text. The work belongs to its authors; read it at the links above.*

Fields: [Linguistics & languages](https://md.research.elamur.ai/free/shelves/linguistics/) · [Natural language processing](https://md.research.elamur.ai/free/shelves/nlp/)

## Cite

The paper itself, not this page. BibTeX from the library's record of the work.

```bibtex
@article{2023,
  title = {{基于依存句法的中文语义模型及语义提取方法}},
  author = {王佳琦 and 韩军 and 孙启童},
  journal = {中文信息学报 (Journal of Chinese Information Processing)},
  year = {2023},
  url = {http://jcip.cipsc.org.cn/article/id/zwxxxb_3607}
}
```

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