--- language: [] library_name: sentence-transformers tags: - sentence-transformers - sentence-similarity - feature-extraction - dataset_size:1M - **Maximum Sequence Length:** 512 tokens - **Output Dimensionality:** 768 tokens - **Similarity Function:** Cosine Similarity ### Model Sources - **Documentation:** [Sentence Transformers Documentation](https://sbert.net) - **Repository:** [Sentence Transformers on GitHub](https://github.com/UKPLab/sentence-transformers) - **Hugging Face:** [Sentence Transformers on Hugging Face](https://huggingface.co/models?library=sentence-transformers) ### Full Model Architecture ``` SentenceTransformer( (0): Transformer({'max_seq_length': 512, 'do_lower_case': False}) with Transformer model: DistilBertModel (1): Pooling({'word_embedding_dimension': 768, 'pooling_mode_cls_token': False, 'pooling_mode_mean_tokens': True, 'pooling_mode_max_tokens': False, 'pooling_mode_mean_sqrt_len_tokens': False, 'pooling_mode_weightedmean_tokens': False, 'pooling_mode_lasttoken': False, 'include_prompt': True}) ) ``` ## Usage ### Direct Usage (Sentence Transformers) First install the Sentence Transformers library: ```bash pip install -U sentence-transformers ``` Then you can load this model and run inference. ```python from sentence_transformers import SentenceTransformer # Download from the 🤗 Hub model = SentenceTransformer("sentence_transformers_model_id") # Run inference sentences = [ 'T ENGINE TRANS TOP LAT 90 Deg Front 2025 U717 G-S', 'T R F ACTIVE VENT SQUIB VOLT 90 Deg Front 2021 P702 VOLTS', 'T ENGINE TRANS TOP LAT 30 Deg Front Angular Left 2020 P558 G-S', ] embeddings = model.encode(sentences) print(embeddings.shape) # [3, 768] # Get the similarity scores for the embeddings similarities = model.similarity(embeddings, embeddings) print(similarities.shape) # [3, 3] ``` ## Evaluation ### Metrics #### Semantic Similarity * Dataset: `sts-dev` * Evaluated with [EmbeddingSimilarityEvaluator](https://sbert.net/docs/package_reference/sentence_transformer/evaluation.html#sentence_transformers.evaluation.EmbeddingSimilarityEvaluator) | Metric | Value | |:--------------------|:-----------| | pearson_cosine | 0.4518 | | **spearman_cosine** | **0.4762** | | pearson_manhattan | 0.4253 | | spearman_manhattan | 0.4638 | | pearson_euclidean | 0.4262 | | spearman_euclidean | 0.4652 | | pearson_dot | 0.3898 | | spearman_dot | 0.374 | | pearson_max | 0.4518 | | spearman_max | 0.4762 | #### Semantic Similarity * Dataset: `sts-dev` * Evaluated with [EmbeddingSimilarityEvaluator](https://sbert.net/docs/package_reference/sentence_transformer/evaluation.html#sentence_transformers.evaluation.EmbeddingSimilarityEvaluator) | Metric | Value | |:--------------------|:-----------| | pearson_cosine | 0.4412 | | **spearman_cosine** | **0.4671** | | pearson_manhattan | 0.4156 | | spearman_manhattan | 0.456 | | pearson_euclidean | 0.4167 | | spearman_euclidean | 0.4575 | | pearson_dot | 0.3753 | | spearman_dot | 0.3629 | | pearson_max | 0.4412 | | spearman_max | 0.4671 | ## Training Details ### Training Dataset #### Unnamed Dataset * Size: 8,081,275 training samples * Columns: sentence1, sentence2, and score * Approximate statistics based on the first 1000 samples: | | sentence1 | sentence2 | score | |:--------|:-----------------------------------------------------------------------------------|:-----------------------------------------------------------------------------------|:---------------------------------------------------------------| | type | string | string | float | | details | | | | * Samples: | sentence1 | sentence2 | score | |:--------------------------------------------------------------------------|:--------------------------------------------------------------------------------------------------|:---------------------------------| | T L F DUMMY PELVIS VERT Dynamic Seat Sled Test 2025 U718 G-S | T SCS R2 HY REF 059 R C PLR REF Y SM LAT 90 Deg / Left Side Decel-4g 2020 CX483 G-S | 0.21129386503072142 | | T L F DUMMY PELVIS VERT Dynamic Seat Sled Test 2025 U718 G-S | T R F DUMMY PELVIS VERT 75 Deg Oblique Right Side 10 in. Pole 2015 P552 G-S | 0.4972955033248179 | | T L F DUMMY PELVIS VERT Dynamic Seat Sled Test 2025 U718 G-S | T SCS L1 HY REF 053 L B PLR REF Y SM LAT 90 Deg Front Bumper Override 2021 CX727 G-S | 0.5701051768787058 | * Loss: [CoSENTLoss](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#cosentloss) with these parameters: ```json { "scale": 20.0, "similarity_fct": "pairwise_cos_sim" } ``` ### Evaluation Dataset #### Unnamed Dataset * Size: 1,726,581 evaluation samples * Columns: sentence1, sentence2, and score * Approximate statistics based on the first 1000 samples: | | sentence1 | sentence2 | score | |:--------|:----------------------------------------------------------------------------------|:-----------------------------------------------------------------------------------|:---------------------------------------------------------------| | type | string | string | float | | details | | | | * Samples: | sentence1 | sentence2 | score | |:-------------------------------------------------------------------------------------------------|:--------------------------------------------------------------------------------------------------|:---------------------------------| | T R F ADAPTIVE TETHER VENT SQUIB VOLT 30 Deg Front Angular Right 20xx GENERIC VOLTS | T L F DUMMY T12 LONG 27 Deg Crabbed Left Side NHTSA 214 MDB to vehicle 2015 P552 G-S | 0.6835618484879796 | | T R F ADAPTIVE TETHER VENT SQUIB VOLT 30 Deg Front Angular Right 20xx GENERIC VOLTS | T L F DUMMY R FEMUR LONG 90 Deg Front 2022 U553 G-S | 0.666531064739 | | T R F ADAPTIVE TETHER VENT SQUIB VOLT 30 Deg Front Angular Right 20xx GENERIC VOLTS | T R F DUMMY NECK UPPER MZ LOAD 90 Deg Front 2019 P375ICA IN-LBS | 0.46391834212079874 | * Loss: [CoSENTLoss](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#cosentloss) with these parameters: ```json { "scale": 20.0, "similarity_fct": "pairwise_cos_sim" } ``` ### Training Hyperparameters #### Non-Default Hyperparameters - `per_device_train_batch_size`: 32 - `per_device_eval_batch_size`: 32 - `learning_rate`: 3e-05 - `num_train_epochs`: 4 - `warmup_ratio`: 0.1 - `fp16`: True #### All Hyperparameters
Click to expand - `overwrite_output_dir`: False - `do_predict`: False - `prediction_loss_only`: True - `per_device_train_batch_size`: 32 - `per_device_eval_batch_size`: 32 - `per_gpu_train_batch_size`: None - `per_gpu_eval_batch_size`: None - `gradient_accumulation_steps`: 1 - `eval_accumulation_steps`: None - `learning_rate`: 3e-05 - `weight_decay`: 0.0 - `adam_beta1`: 0.9 - `adam_beta2`: 0.999 - `adam_epsilon`: 1e-08 - `max_grad_norm`: 1.0 - `num_train_epochs`: 4 - `max_steps`: -1 - `lr_scheduler_type`: linear - `warmup_ratio`: 0.1 - `warmup_steps`: 0 - `log_level`: passive - `log_level_replica`: warning - `log_on_each_node`: True - `logging_nan_inf_filter`: True - `save_safetensors`: True - `save_on_each_node`: False - `no_cuda`: False - `use_cpu`: False - `use_mps_device`: False - `seed`: 42 - `data_seed`: None - `jit_mode_eval`: False - `use_ipex`: False - `bf16`: False - `fp16`: True - `fp16_opt_level`: O1 - `half_precision_backend`: auto - `bf16_full_eval`: False - `fp16_full_eval`: False - `tf32`: None - `local_rank`: 4 - `ddp_backend`: None - `tpu_num_cores`: None - `tpu_metrics_debug`: False - `debug`: [] - `dataloader_drop_last`: True - `dataloader_num_workers`: 0 - `past_index`: -1 - `disable_tqdm`: False - `remove_unused_columns`: True - `label_names`: None - `load_best_model_at_end`: False - `ignore_data_skip`: False - `fsdp`: [] - `fsdp_min_num_params`: 0 - `fsdp_config`: {'min_num_params': 0, 'xla': False, 'xla_fsdp_grad_ckpt': False} - `fsdp_transformer_layer_cls_to_wrap`: None - `deepspeed`: None - `label_smoothing_factor`: 0.0 - `optim`: adamw_torch - `optim_args`: None - `adafactor`: False - `group_by_length`: False - `length_column_name`: length - `ddp_find_unused_parameters`: None - `ddp_bucket_cap_mb`: None - `ddp_broadcast_buffers`: False - `dataloader_pin_memory`: True - `skip_memory_metrics`: True - `use_legacy_prediction_loop`: False - `push_to_hub`: False - `resume_from_checkpoint`: None - `hub_model_id`: None - `hub_strategy`: every_save - `hub_private_repo`: False - `hub_always_push`: False - `gradient_checkpointing`: False - `gradient_checkpointing_kwargs`: None - `include_inputs_for_metrics`: False - `fp16_backend`: auto - `push_to_hub_model_id`: None - `push_to_hub_organization`: None - `mp_parameters`: - `auto_find_batch_size`: False - `full_determinism`: False - `torchdynamo`: None - `ray_scope`: last - `ddp_timeout`: 1800 - `torch_compile`: False - `torch_compile_backend`: None - `torch_compile_mode`: None - `dispatch_batches`: None - `split_batches`: False - `include_tokens_per_second`: False - `neftune_noise_alpha`: None - `batch_sampler`: batch_sampler - `multi_dataset_batch_sampler`: proportional
### Training Logs
Click to expand | Epoch | Step | Training Loss | loss | sts-dev_spearman_cosine | |:------:|:------:|:-------------:|:------:|:-----------------------:| | 0.0317 | 1000 | 6.3069 | - | - | | 0.0634 | 2000 | 6.1793 | - | - | | 0.0950 | 3000 | 6.1607 | - | - | | 0.1267 | 4000 | 6.1512 | - | - | | 0.1584 | 5000 | 6.1456 | - | - | | 0.1901 | 6000 | 6.1419 | - | - | | 0.2218 | 7000 | 6.1398 | - | - | | 0.2534 | 8000 | 6.1377 | - | - | | 0.2851 | 9000 | 6.1352 | - | - | | 0.3168 | 10000 | 6.1338 | - | - | | 0.3485 | 11000 | 6.1332 | - | - | | 0.3801 | 12000 | 6.1309 | - | - | | 0.4118 | 13000 | 6.1315 | - | - | | 0.4435 | 14000 | 6.1283 | - | - | | 0.4752 | 15000 | 6.129 | - | - | | 0.5069 | 16000 | 6.1271 | - | - | | 0.5385 | 17000 | 6.1265 | - | - | | 0.5702 | 18000 | 6.1238 | - | - | | 0.6019 | 19000 | 6.1234 | - | - | | 0.6336 | 20000 | 6.1225 | - | - | | 0.6653 | 21000 | 6.1216 | - | - | | 0.6969 | 22000 | 6.1196 | - | - | | 0.7286 | 23000 | 6.1198 | - | - | | 0.7603 | 24000 | 6.1178 | - | - | | 0.7920 | 25000 | 6.117 | - | - | | 0.8236 | 26000 | 6.1167 | - | - | | 0.8553 | 27000 | 6.1165 | - | - | | 0.8870 | 28000 | 6.1149 | - | - | | 0.9187 | 29000 | 6.1146 | - | - | | 0.9504 | 30000 | 6.113 | - | - | | 0.9820 | 31000 | 6.1143 | - | - | | 1.0 | 31567 | - | 6.1150 | 0.4829 | | 1.0137 | 32000 | 6.1115 | - | - | | 1.0454 | 33000 | 6.111 | - | - | | 1.0771 | 34000 | 6.1091 | - | - | | 1.1088 | 35000 | 6.1094 | - | - | | 1.1404 | 36000 | 6.1078 | - | - | | 1.1721 | 37000 | 6.1095 | - | - | | 1.2038 | 38000 | 6.106 | - | - | | 1.2355 | 39000 | 6.1071 | - | - | | 1.2671 | 40000 | 6.1073 | - | - | | 1.2988 | 41000 | 6.1064 | - | - | | 1.3305 | 42000 | 6.1047 | - | - | | 1.3622 | 43000 | 6.1054 | - | - | | 1.3939 | 44000 | 6.1048 | - | - | | 1.4255 | 45000 | 6.1053 | - | - | | 1.4572 | 46000 | 6.1058 | - | - | | 1.4889 | 47000 | 6.1037 | - | - | | 1.5206 | 48000 | 6.1041 | - | - | | 1.5523 | 49000 | 6.1023 | - | - | | 1.5839 | 50000 | 6.1018 | - | - | | 1.6156 | 51000 | 6.104 | - | - | | 1.6473 | 52000 | 6.1004 | - | - | | 1.6790 | 53000 | 6.1027 | - | - | | 1.7106 | 54000 | 6.1017 | - | - | | 1.7423 | 55000 | 6.1011 | - | - | | 1.7740 | 56000 | 6.1002 | - | - | | 1.8057 | 57000 | 6.0994 | - | - | | 1.8374 | 58000 | 6.0985 | - | - | | 1.8690 | 59000 | 6.0986 | - | - | | 1.9007 | 60000 | 6.1006 | - | - | | 1.9324 | 61000 | 6.0983 | - | - | | 1.9641 | 62000 | 6.0983 | - | - | | 1.9958 | 63000 | 6.0973 | - | - | | 2.0 | 63134 | - | 6.1193 | 0.4828 | | 2.0274 | 64000 | 6.0943 | - | - | | 2.0591 | 65000 | 6.0941 | - | - | | 2.0908 | 66000 | 6.0936 | - | - | | 2.1225 | 67000 | 6.0909 | - | - | | 2.1541 | 68000 | 6.0925 | - | - | | 2.1858 | 69000 | 6.0932 | - | - | | 2.2175 | 70000 | 6.0939 | - | - | | 2.2492 | 71000 | 6.0919 | - | - | | 2.2809 | 72000 | 6.0932 | - | - | | 2.3125 | 73000 | 6.0916 | - | - | | 2.3442 | 74000 | 6.0919 | - | - | | 2.3759 | 75000 | 6.0919 | - | - | | 2.4076 | 76000 | 6.0911 | - | - | | 2.4393 | 77000 | 6.0924 | - | - | | 2.4709 | 78000 | 6.0911 | - | - | | 2.5026 | 79000 | 6.0922 | - | - | | 2.5343 | 80000 | 6.0926 | - | - | | 2.5660 | 81000 | 6.0911 | - | - | | 2.5976 | 82000 | 6.0897 | - | - | | 2.6293 | 83000 | 6.0922 | - | - | | 2.6610 | 84000 | 6.0908 | - | - | | 2.6927 | 85000 | 6.0884 | - | - | | 2.7244 | 86000 | 6.0907 | - | - | | 2.7560 | 87000 | 6.0904 | - | - | | 2.7877 | 88000 | 6.0881 | - | - | | 2.8194 | 89000 | 6.0902 | - | - | | 2.8511 | 90000 | 6.088 | - | - | | 2.8828 | 91000 | 6.0888 | - | - | | 2.9144 | 92000 | 6.0884 | - | - | | 2.9461 | 93000 | 6.0881 | - | - | | 2.9778 | 94000 | 6.0896 | - | - | | 3.0 | 94701 | - | 6.1225 | 0.4788 | | 3.0095 | 95000 | 6.0857 | - | - | | 3.0412 | 96000 | 6.0838 | - | - | | 3.0728 | 97000 | 6.0843 | - | - | | 3.1045 | 98000 | 6.0865 | - | - | | 3.1362 | 99000 | 6.0827 | - | - | | 3.1679 | 100000 | 6.0836 | - | - | | 3.1995 | 101000 | 6.0837 | - | - | | 3.2312 | 102000 | 6.0836 | - | - | | 3.2629 | 103000 | 6.0837 | - | - | | 3.2946 | 104000 | 6.084 | - | - | | 3.3263 | 105000 | 6.0836 | - | - | | 3.3579 | 106000 | 6.0808 | - | - | | 3.3896 | 107000 | 6.0821 | - | - | | 3.4213 | 108000 | 6.0817 | - | - | | 3.4530 | 109000 | 6.082 | - | - | | 3.4847 | 110000 | 6.083 | - | - | | 3.5163 | 111000 | 6.0829 | - | - | | 3.5480 | 112000 | 6.0832 | - | - | | 3.5797 | 113000 | 6.0829 | - | - | | 3.6114 | 114000 | 6.0837 | - | - | | 3.6430 | 115000 | 6.082 | - | - | | 3.6747 | 116000 | 6.0823 | - | - | | 3.7064 | 117000 | 6.082 | - | - | | 3.7381 | 118000 | 6.0833 | - | - | | 3.7698 | 119000 | 6.0831 | - | - | | 3.8014 | 120000 | 6.0814 | - | - | | 3.8331 | 121000 | 6.0813 | - | - | | 3.8648 | 122000 | 6.0797 | - | - | | 3.8965 | 123000 | 6.0793 | - | - | | 3.9282 | 124000 | 6.0818 | - | - | | 3.9598 | 125000 | 6.0806 | - | - | | 3.9915 | 126000 | 6.08 | - | - | | 4.0 | 126268 | - | 6.1266 | 0.4671 |
### Framework Versions - Python: 3.10.6 - Sentence Transformers: 3.0.0 - Transformers: 4.35.0 - PyTorch: 2.1.0a0+4136153 - Accelerate: 0.30.1 - Datasets: 2.14.1 - Tokenizers: 0.14.1 ## Citation ### BibTeX #### Sentence Transformers ```bibtex @inproceedings{reimers-2019-sentence-bert, title = "Sentence-BERT: Sentence Embeddings using Siamese BERT-Networks", author = "Reimers, Nils and Gurevych, Iryna", booktitle = "Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing", month = "11", year = "2019", publisher = "Association for Computational Linguistics", url = "https://arxiv.org/abs/1908.10084", } ``` #### CoSENTLoss ```bibtex @online{kexuefm-8847, title={CoSENT: A more efficient sentence vector scheme than Sentence-BERT}, author={Su Jianlin}, year={2022}, month={Jan}, url={https://kexue.fm/archives/8847}, } ```