Upload L4_top student model with MTEB results
Browse files- .gitattributes +1 -0
- 1_Pooling/config.json +10 -0
- README.md +99 -0
- config.json +25 -0
- config_sentence_transformers.json +14 -0
- model.safetensors +3 -0
- modules.json +14 -0
- sentence_bert_config.json +4 -0
- special_tokens_map.json +51 -0
- tokenizer.json +3 -0
- tokenizer_config.json +65 -0
.gitattributes
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@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
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*.zip filter=lfs diff=lfs merge=lfs -text
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*.zst filter=lfs diff=lfs merge=lfs -text
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*tfevents* filter=lfs diff=lfs merge=lfs -text
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*.zip filter=lfs diff=lfs merge=lfs -text
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*.zst filter=lfs diff=lfs merge=lfs -text
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*tfevents* filter=lfs diff=lfs merge=lfs -text
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tokenizer.json filter=lfs diff=lfs merge=lfs -text
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1_Pooling/config.json
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{
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"word_embedding_dimension": 384,
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"pooling_mode_cls_token": false,
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"pooling_mode_mean_tokens": true,
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"pooling_mode_max_tokens": false,
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"pooling_mode_mean_sqrt_len_tokens": false,
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"pooling_mode_weightedmean_tokens": false,
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"pooling_mode_lasttoken": false,
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"include_prompt": true
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}
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README.md
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---
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language: ["ko", "en", "ja", "zh", "es", "fr", "de", "pt", "it", "ru", "ar", "hi", "th", "vi", "id", "tr", "nl", "pl"]
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tags:
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- sentence-transformers
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- intent-classification
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- multilingual
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- distillation
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- layer-pruning
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library_name: sentence-transformers
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pipeline_tag: sentence-similarity
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license: apache-2.0
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---
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# Intent Classifier Student: L4_top
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Distilled multilingual sentence encoder for intent classification (Action / Recall / Other).
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Created by **layer pruning** from `sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2`.
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## Model Details
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| Property | Value |
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|----------|-------|
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| Teacher | paraphrase-multilingual-MiniLM-L12-v2 |
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| Architecture | XLM-RoBERTa (pruned) |
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| Hidden dim | 384 |
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| Layers | 4 (from 12) |
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| Layer indices | [8, 9, 10, 11] |
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| Strategy | 4 layers, top quarter (semantic-focused compact) |
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| Est. params | 103,283,328 |
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| Est. FP32 | 394.0MB |
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| Est. INT8 | 98.5MB |
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| Est. INT8 + vocab pruned | 27.1MB |
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## Supported Languages (18)
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ko, en, ja, zh, es, fr, de, pt, it, ru, ar, hi, th, vi, id, tr, nl, pl
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## Intended Use
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This is a **student encoder** designed to be used as the backbone for a lightweight
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3-class intent classifier (Action / Recall / Other) in multilingual dialogue systems.
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- **Action**: User requests an action (book, order, change settings, etc.)
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- **Recall**: User asks about past events or stored information
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- **Other**: Greetings, chitchat, emotions, etc.
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## Usage
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```python
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from sentence_transformers import SentenceTransformer
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model = SentenceTransformer("L4_top")
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embeddings = model.encode(["예약 좀 해줘", "지난번 주문 뭐였지?", "안녕하세요"])
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print(embeddings.shape) # (3, 384)
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```
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## MTEB Results
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### MassiveIntentClassification
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**Average: 45.26%**
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| Language | Score |
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|----------|-------|
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| ar | 34.77% |
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| en | 55.68% |
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| es | 42.64% |
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| ko | 47.96% |
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### MassiveScenarioClassification
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**Average: 48.79%**
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| Language | Score |
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|----------|-------|
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| ar | 36.89% |
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| en | 61.66% |
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| es | 47.3% |
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| ko | 49.3% |
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## Training / Distillation
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This model was created via **layer pruning** (no additional training):
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1. Load teacher: `paraphrase-multilingual-MiniLM-L12-v2` (12 layers, 384 hidden)
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2. Select layers: `[8, 9, 10, 11]`
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3. Copy embedding weights + selected layer weights
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4. Wrap with mean pooling for sentence embeddings
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For deployment, vocabulary pruning (250K → ~55K tokens) and INT8 quantization
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are applied to meet the ≤50MB size constraint.
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## Limitations
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- Layer pruning without fine-tuning may lose some quality vs. proper knowledge distillation
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- Vocabulary pruning limits the model to the target 18 languages
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- Designed for short dialogue utterances, not long documents
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config.json
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{
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"architectures": [
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"BertModel"
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],
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"attention_probs_dropout_prob": 0.1,
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"classifier_dropout": null,
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"dtype": "float32",
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"gradient_checkpointing": false,
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"hidden_act": "gelu",
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"hidden_dropout_prob": 0.1,
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"hidden_size": 384,
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"initializer_range": 0.02,
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"intermediate_size": 1536,
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"layer_norm_eps": 1e-12,
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"max_position_embeddings": 512,
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"model_type": "bert",
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"num_attention_heads": 12,
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"num_hidden_layers": 4,
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"pad_token_id": 0,
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"position_embedding_type": "absolute",
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"transformers_version": "4.56.2",
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"type_vocab_size": 2,
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"use_cache": true,
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"vocab_size": 250037
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}
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config_sentence_transformers.json
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{
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"model_type": "SentenceTransformer",
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"__version__": {
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"sentence_transformers": "5.3.0",
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"transformers": "4.56.2",
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"pytorch": "2.10.0+cpu"
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},
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"prompts": {
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"query": "",
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"document": ""
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},
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"default_prompt_name": null,
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"similarity_fn_name": "cosine"
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}
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model.safetensors
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version https://git-lfs.github.com/spec/v1
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oid sha256:db50f33f2f9d722559f7678622d327bebbb601a5837dc2de426ebe379778f5a0
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size 413840112
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modules.json
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[
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{
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"idx": 0,
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"name": "0",
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"path": "",
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"type": "sentence_transformers.models.Transformer"
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},
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{
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"idx": 1,
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"name": "1",
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"path": "1_Pooling",
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"type": "sentence_transformers.models.Pooling"
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}
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]
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sentence_bert_config.json
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{
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"max_seq_length": 128,
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"do_lower_case": false
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}
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special_tokens_map.json
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{
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"bos_token": {
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"content": "<s>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
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"single_word": false
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},
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"cls_token": {
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"content": "<s>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
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"single_word": false
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},
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"eos_token": {
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"content": "</s>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
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"single_word": false
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},
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"mask_token": {
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"content": "<mask>",
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"lstrip": true,
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"normalized": false,
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"rstrip": false,
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"single_word": false
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},
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"pad_token": {
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"content": "<pad>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
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"single_word": false
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},
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"sep_token": {
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"content": "</s>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
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"single_word": false
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},
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"unk_token": {
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"content": "<unk>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
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"single_word": false
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}
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}
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tokenizer.json
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version https://git-lfs.github.com/spec/v1
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oid sha256:cad551d5600a84242d0973327029452a1e3672ba6313c2a3c3d69c4310e12719
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size 17082987
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tokenizer_config.json
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{
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"added_tokens_decoder": {
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"0": {
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"content": "<s>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
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"single_word": false,
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"special": true
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},
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"1": {
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"content": "<pad>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
|
| 16 |
+
"single_word": false,
|
| 17 |
+
"special": true
|
| 18 |
+
},
|
| 19 |
+
"2": {
|
| 20 |
+
"content": "</s>",
|
| 21 |
+
"lstrip": false,
|
| 22 |
+
"normalized": false,
|
| 23 |
+
"rstrip": false,
|
| 24 |
+
"single_word": false,
|
| 25 |
+
"special": true
|
| 26 |
+
},
|
| 27 |
+
"3": {
|
| 28 |
+
"content": "<unk>",
|
| 29 |
+
"lstrip": false,
|
| 30 |
+
"normalized": false,
|
| 31 |
+
"rstrip": false,
|
| 32 |
+
"single_word": false,
|
| 33 |
+
"special": true
|
| 34 |
+
},
|
| 35 |
+
"250001": {
|
| 36 |
+
"content": "<mask>",
|
| 37 |
+
"lstrip": true,
|
| 38 |
+
"normalized": false,
|
| 39 |
+
"rstrip": false,
|
| 40 |
+
"single_word": false,
|
| 41 |
+
"special": true
|
| 42 |
+
}
|
| 43 |
+
},
|
| 44 |
+
"bos_token": "<s>",
|
| 45 |
+
"clean_up_tokenization_spaces": false,
|
| 46 |
+
"cls_token": "<s>",
|
| 47 |
+
"do_lower_case": true,
|
| 48 |
+
"eos_token": "</s>",
|
| 49 |
+
"extra_special_tokens": {},
|
| 50 |
+
"mask_token": "<mask>",
|
| 51 |
+
"max_length": 128,
|
| 52 |
+
"model_max_length": 128,
|
| 53 |
+
"pad_to_multiple_of": null,
|
| 54 |
+
"pad_token": "<pad>",
|
| 55 |
+
"pad_token_type_id": 0,
|
| 56 |
+
"padding_side": "right",
|
| 57 |
+
"sep_token": "</s>",
|
| 58 |
+
"stride": 0,
|
| 59 |
+
"strip_accents": null,
|
| 60 |
+
"tokenize_chinese_chars": true,
|
| 61 |
+
"tokenizer_class": "PreTrainedTokenizerFast",
|
| 62 |
+
"truncation_side": "right",
|
| 63 |
+
"truncation_strategy": "longest_first",
|
| 64 |
+
"unk_token": "<unk>"
|
| 65 |
+
}
|