Upload L4_uniform_distilled (distilled) with MTEB results
Browse files- 1_Pooling/config.json +10 -0
- README.md +122 -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 +0 -0
- tokenizer_config.json +65 -0
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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- layer-pruning
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- vocab-pruning
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- knowledge-distillation
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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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# L4_uniform_distilled (Distilled)
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Lightweight multilingual sentence encoder optimized for intent classification.
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Created from `paraphrase-multilingual-MiniLM-L12-v2` via layer pruning + corpus-based vocabulary pruning + knowledge distillation.
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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 / 12 |
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| Layer indices | [0, 4, 7, 11] |
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| Strategy | 4 layers, evenly spaced (compact) |
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| Vocab size | ~38,330 (pruned from 250K) |
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| Parameters | 22,642,560 |
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| Safetensors size | 84.6MB |
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| Distilled | Yes |
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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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## Quick Start
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```python
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from sentence_transformers import SentenceTransformer
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model = SentenceTransformer("L4_uniform_distilled")
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sentences = [
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"예약 좀 해줘", # Korean
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"What did I order?", # English
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"今日はいい天気ですね", # Japanese
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"Reserva una mesa", # Spanish
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]
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embeddings = model.encode(sentences)
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print(embeddings.shape) # (4, 384)
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```
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## MTEB Evaluation Results
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**Overall Average: 54.61%**
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### MassiveIntentClassification
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**Average: 50.88%**
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| Language | Score |
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|----------|-------|
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| ar | 41.25% |
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| en | 62.02% |
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| es | 53.15% |
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| ko | 47.08% |
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### MassiveScenarioClassification
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**Average: 58.34%**
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| Language | Score |
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|----------|-------|
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| ar | 47.4% |
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| en | 69.96% |
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| es | 61.24% |
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| ko | 54.74% |
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## Distillation Impact
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| Task | Before Distillation | After Distillation | Delta |
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|------|--------------------|--------------------|-------|
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| MassiveIntentClassification | 50.25% | 50.88% | +0.63%p |
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| MassiveScenarioClassification | 53.82% | 58.34% | +4.52%p |
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## Training
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This model was created in two stages:
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### Stage 1: Layer Pruning
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1. Teacher model: `paraphrase-multilingual-MiniLM-L12-v2` (12 layers, 384 hidden dim)
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2. Selected layers: `[0, 4, 7, 11]` (4 layers, evenly spaced (compact))
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3. Vocabulary pruning: 250K -> ~38K tokens (corpus-based, 18 target languages)
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### Stage 2: Knowledge Distillation
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- **Method**: MSE + Cosine Similarity loss between teacher and student embeddings
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- **Training data**: MASSIVE dataset (90K multilingual sentences, 18 languages)
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- **Optimizer**: AdamW (lr=2e-5, weight_decay=0.01)
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- **Schedule**: Cosine annealing over 3 epochs
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- **Batch size**: 64
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- **Base model**: `L4_uniform` (layer-pruned only)
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## Compression Summary
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| Stage | Vocab | Layers | Size |
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|-------|-------|--------|------|
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| Teacher (original) | 250,002 | 12 | ~480MB |
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| + Layer pruning | 250,002 | 4 | ~393MB |
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| + Vocab pruning | ~38,330 | 4 | ~85MB |
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## Limitations
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- Vocabulary pruning restricts the model to the 18 target languages
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- Designed for short dialogue utterances, not long documents
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- Layer pruning may reduce performance on complex semantic tasks
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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": 38330
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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+cu128"
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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 sha256:849314db7a40fefcafc751585b9a2004108365166b922a06d5c979451da025e4
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size 88658024
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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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| 49 |
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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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tokenizer_config.json
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| 1 |
+
{
|
| 2 |
+
"added_tokens_decoder": {
|
| 3 |
+
"0": {
|
| 4 |
+
"content": "<s>",
|
| 5 |
+
"lstrip": false,
|
| 6 |
+
"normalized": false,
|
| 7 |
+
"rstrip": false,
|
| 8 |
+
"single_word": false,
|
| 9 |
+
"special": true
|
| 10 |
+
},
|
| 11 |
+
"1": {
|
| 12 |
+
"content": "<pad>",
|
| 13 |
+
"lstrip": false,
|
| 14 |
+
"normalized": false,
|
| 15 |
+
"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 |
+
"38329": {
|
| 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 |
+
}
|