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README.md
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| 1 |
+
# LQ-FSE-base: Korean Financial Sentence Extractor
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+
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+
κΈμ΅ 리ν¬νΈ, κΈμ΅ κ΄λ ¨ λ΄μ€μμ λνλ¬Έμ₯μ μΆμΆνκ³ μν (outlook, event, financial, risk)μ λΆλ₯νλ λͺ¨λΈμ
λλ€.
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+
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## Model Description
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+
- **Base Model**: klue/roberta-base
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- **Architecture**: Sentence Encoder (RoBERTa) + Inter-sentence Transformer (2 layers) + Dual Classifiers
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- **Task**: Extractive Summarization + Role Classification (Multi-task)
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- **Language**: Korean
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- **Domain**: Financial Reports (μ¦κΆ 리ν¬νΈ), Financial News (κΈμ΅ λ΄μ€)
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### Input Constraints
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| Parameter | Value | Description |
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|-----------|-------|-------------|
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| Max sentence length | 128 tokens | λ¬Έμ₯λΉ μ΅λ ν ν° μ (μ΄κ³Ό μ truncation) |
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| Max sentences per document | 30 | λ¬ΈμλΉ μ΅λ λ¬Έμ₯ μ (μ΄κ³Ό μ μ 30κ°λ§ μ¬μ©) |
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| Input format | Plain text | λ¬Έμ₯ λΆνΈ(`.!?`) κΈ°μ€μΌλ‘ μλ λΆλ¦¬ |
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- **μ
λ ₯**: νκ΅μ΄ κΈμ΅ ν
μ€νΈ (μ¦κΆ 리ν¬νΈ, κΈμ΅ λ΄μ€ λ±)
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- **μΆλ ₯**: κ° λ¬Έμ₯λ³ λνλ¬Έμ₯ μ μ (0~1) + μν λΆλ₯ (outlook/event/financial/risk)
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### Performance
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| Metric | Score |
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|--------|-------|
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| Extraction F1 | 0.705 |
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| Role Accuracy | 0.851 |
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### Role Labels
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| Label | Description |
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|-------|-------------|
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| `outlook` | μ λ§/μμΈ‘ λ¬Έμ₯ |
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| `event` | μ΄λ²€νΈ/μ¬κ±΄ λ¬Έμ₯ |
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| `financial` | μ¬λ¬΄/μ€μ λ¬Έμ₯ |
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| `risk` | 리μ€ν¬ μμΈ λ¬Έμ₯ |
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## Usage
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```python
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import re
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import torch
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from transformers import AutoConfig, AutoModel, AutoTokenizer
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repo_id = "LangQuant/LQ-FSE-base"
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# λͺ¨λΈ λ‘λ
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config = AutoConfig.from_pretrained(repo_id, trust_remote_code=True)
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model = AutoModel.from_pretrained(repo_id, trust_remote_code=True)
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tokenizer = AutoTokenizer.from_pretrained(repo_id)
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model.eval()
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# μ
λ ₯ ν
μ€νΈ
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text = (
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"μΌμ±μ μμ 2024λ
4λΆκΈ° μ€μ μ΄ μμ₯ μμμ μννλ€. "
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"λ©λͺ¨λ¦¬ λ°λ체 κ°κ²© μμΉμΌλ‘ μμ
μ΄μ΅μ΄ μ λΆκΈ° λλΉ 30% μ¦κ°νλ€. "
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"HBM3E μμ°μ΄ 본격νλλ©΄μ AI λ°λ체 μμ₯ μ μ μ¨μ΄ νλλ μ λ§μ΄λ€."
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)
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# λ¬Έμ₯ λΆλ¦¬ λ° ν ν°ν
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sentences = [s.strip() for s in re.split(r'(?<=[.!?])\s+', text.strip()) if s.strip()]
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max_len, max_sent = config.max_length, config.max_sentences
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padded = sentences[:max_sent]
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num_real = len(padded)
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while len(padded) < max_sent:
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padded.append("")
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ids_list, mask_list = [], []
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for s in padded:
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if s:
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enc = tokenizer(s, max_length=max_len, padding="max_length", truncation=True, return_tensors="pt")
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else:
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enc = {"input_ids": torch.zeros(1, max_len, dtype=torch.long),
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"attention_mask": torch.zeros(1, max_len, dtype=torch.long)}
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ids_list.append(enc["input_ids"])
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mask_list.append(enc["attention_mask"])
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input_ids = torch.cat(ids_list).unsqueeze(0)
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attention_mask = torch.cat(mask_list).unsqueeze(0)
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doc_mask = torch.zeros(1, max_sent)
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doc_mask[0, :num_real] = 1
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# μΆλ‘
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with torch.no_grad():
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scores, role_logits = model(input_ids, attention_mask, doc_mask)
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role_labels = config.role_labels
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for i, sent in enumerate(sentences):
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score = scores[0, i].item()
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role = role_labels[role_logits[0, i].argmax().item()]
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marker = "*" if score >= 0.5 else " "
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print(f" {marker} [{score:.4f}] [{role:10s}] {sent}")
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```
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## Model Architecture
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```
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Input Sentences
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β
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[klue/roberta-base] β [CLS] embeddings per sentence
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β
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[Inter-sentence Transformer] (2 layers, 8 heads)
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β
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ββββββββββββββββββββ¬ββββββββββββββββββββββ
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β Binary Classifierβ Role Classifier β
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β (representative?)β (outlook/event/ β
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β β financial/risk) β
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ββββββββββββββββββββ΄ββββββββββββββββββββββ
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```
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## Training
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- Optimizer: AdamW (lr=2e-5, weight_decay=0.01)
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- Scheduler: Linear warmup (10%)
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- Loss: BCE (extraction) + CrossEntropy (role), role_weight=0.5
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- Max sentence length: 128 tokens
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- Max sentences per document: 30
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## Files
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- `model.py`: Model definition (DocumentEncoderConfig, DocumentEncoderForExtractiveSummarization)
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- `config.json`: Model configuration
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- `model.safetensors`: Model weights
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- `inference_example.py`: Inference helper with usage example
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- `convert_checkpoint.py`: Script to convert original .pt checkpoint
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## Disclaimer (λ©΄μ±
μ‘°ν)
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- λ³Έ λͺ¨λΈμ **μ°κ΅¬ λ° μ 보 μ 곡 λͺ©μ **μΌλ‘λ§ μ 곡λ©λλ€.
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- λ³Έ λͺ¨λΈμ μΆλ ₯μ **ν¬μ μ‘°μΈ, κΈμ΅ μλ¬Έ, λ§€λ§€ μΆμ²μ΄ μλλλ€.**
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- λͺ¨λΈμ μμΈ‘ κ²°κ³Όλ₯Ό κΈ°λ°μΌλ‘ ν ν¬μ νλ¨μ λν΄ LangQuant λ° κ°λ°μλ **μ΄λ ν λ²μ μ±
μλ μ§μ§ μμ΅λλ€.**
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- λͺ¨λΈμ μ νμ±, μμ μ±, μ μμ±μ λν΄ λ³΄μ¦νμ§ μμΌλ©°, μ€μ ν¬μ μμ¬κ²°μ μ λ°λμ μ λ¬Έκ°μ μ‘°μΈμ ꡬνμκΈ° λ°λλλ€.
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- κΈμ΅ μμ₯μ λ³Έμ§μ μΌλ‘ λΆνμ€νλ©°, κ³Όκ±° λ°μ΄ν°λ‘ νμ΅λ λͺ¨λΈμ΄ λ―Έλ μ±κ³Όλ₯Ό 보μ₯νμ§ μμ΅λλ€.
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## Usage Restrictions (μ¬μ© μ ν)
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- **κΈμ§ μ¬ν:**
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- λ³Έ λͺ¨λΈμ μ΄μ©ν μμΈ μ‘°μ’
, νμ μ 보 μμ± λ± λΆλ²μ λͺ©μ μ μ¬μ©
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- μλνλ ν¬μ λ§€λ§€ μμ€ν
μ λ¨λ
μμ¬κ²°μ μλ¨μΌλ‘ μ¬μ©
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- λͺ¨λΈ μΆλ ₯μ μ λ¬Έ κΈμ΅ μλ¬ΈμΈ κ²μ²λΌ μ 3μμκ² μ 곡νλ νμ
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- **νμ© μ¬ν:**
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- νμ μ°κ΅¬ λ° κ΅μ‘ λͺ©μ μ μ¬μ©
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- κΈμ΅ ν
μ€νΈ λΆμ νμ΄νλΌμΈμ 보쑰 λκ΅¬λ‘ νμ©
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- μ¬λ΄ 리μμΉ/λΆμ μ
무μ μ°Έκ³ μλ£λ‘ νμ©
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- μμ
μ μ¬μ© μ LangQuantμ μ¬μ λ¬Έμλ₯Ό κΆμ₯ν©λλ€.
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## Contributors
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- **[Taegyeong Lee](https://www.linkedin.com/in/taegyeong-lee/)** (taegyeong.leaf@gmail.com)
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- **[Dong Young Kim](https://www.linkedin.com/in/dykim04/)** (dong-kim@student.42kl.edu.my) β Ecole 42
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- **[Seunghyun Hwang](https://www.linkedin.com/in/seung-hyun-hwang-53700124a/)** (hsh1030@g.skku.edu) β DSSAL
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