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CrossEncoder(
(0): Transformer({'transformer_task': 'sequence-classification', 'modality_config': {'text': {'method': 'forward', 'method_output_name': 'logits'}}, 'module_output_name': 'scores', 'architecture': 'BertForSequenceClassification'})
)pip install -U sentence-transformers1from sentence_transformers import CrossEncoder
2
3# Download from the 🤗 Hub
4model = CrossEncoder("cross_encoder_model_id")
5# Get scores for pairs of inputs
6pairs = [
7 ['skill: manage health care staff', 'skill: manage healthcare staff'],
8 ['skill: manage health care staff', 'skill: manage staff'],
9 ['skill: manage health care staff', 'skill: manage physiotherapy staff'],
10 ['skill: manage health care staff', 'skill: work with nursing staff'],
11 ['skill: manage health care staff', 'skill: manage chiropractic staff'],
12]
13scores = model.predict(pairs)
14print(scores)
15# [ 8.621 5.0407 1.0124 -1.7446 0.0759]
16
17# Or rank different texts based on similarity to a single text
18ranks = model.rank(
19 'skill: manage health care staff',
20 [
21 'skill: manage healthcare staff',
22 'skill: manage staff',
23 'skill: manage physiotherapy staff',
24 'skill: work with nursing staff',
25 'skill: manage chiropractic staff',
26 ]
27)
28# [{'corpus_id': ..., 'score': ...}, {'corpus_id': ..., 'score': ...}, ...]sentence_A, sentence_B, and label| sentence_A | sentence_B | label | |
|---|---|---|---|
| type | string | string | float |
| modality | text | text | |
| details |
|
|
|
| sentence_A | sentence_B | label |
|---|---|---|
skill: manage security systems | skill: manage technical security systems | 1.0 |
skill: manage security systems | skill: Physical access management software | 0.0 |
skill: manage security systems | skill: manage theft prevention | 0.0 |
BinaryCrossEntropyLoss with these parameters:
1{
2 "activation_fn": "torch.nn.modules.linear.Identity",
3 "pos_weight": null
4}sentence_A, sentence_B, and label| sentence_A | sentence_B | label | |
|---|---|---|---|
| type | string | string | float |
| modality | text | text | |
| details |
|
|
|
| sentence_A | sentence_B | label |
|---|---|---|
skill: manage health care staff | skill: manage healthcare staff | 1.0 |
skill: manage health care staff | skill: manage staff | 0.0 |
skill: manage health care staff | skill: manage physiotherapy staff | 0.0 |
BinaryCrossEntropyLoss with these parameters:
1{
2 "activation_fn": "torch.nn.modules.linear.Identity",
3 "pos_weight": null
4}per_device_train_batch_size: 32num_train_epochs: 2learning_rate: 2e-05warmup_steps: 0.1per_device_eval_batch_size: 64load_best_model_at_end: Trueper_device_train_batch_size: 32num_train_epochs: 2max_steps: -1learning_rate: 2e-05lr_scheduler_type: linearlr_scheduler_kwargs: Nonewarmup_steps: 0.1optim: adamw_torch_fusedoptim_args: Noneweight_decay: 0.0adam_beta1: 0.9adam_beta2: 0.999adam_epsilon: 1e-08optim_target_modules: Nonegradient_accumulation_steps: 1average_tokens_across_devices: Truemax_grad_norm: 1.0label_smoothing_factor: 0.0bf16: Falsefp16: Falsebf16_full_eval: Falsefp16_full_eval: Falsetf32: Nonegradient_checkpointing: Falsegradient_checkpointing_kwargs: Nonetorch_compile: Falsetorch_compile_backend: Nonetorch_compile_mode: Noneuse_liger_kernel: Falseliger_kernel_config: Noneuse_cache: Falseneftune_noise_alpha: Nonetorch_empty_cache_steps: Noneauto_find_batch_size: Falselog_on_each_node: Truelogging_nan_inf_filter: Trueinclude_num_input_tokens_seen: nolog_level: passivelog_level_replica: warningdisable_tqdm: Falseproject: huggingfacetrackio_space_id: Nonetrackio_bucket_id: Nonetrackio_static_space_id: Noneper_device_eval_batch_size: 64prediction_loss_only: Trueeval_on_start: Falseeval_do_concat_batches: Trueeval_use_gather_object: Falseeval_accumulation_steps: Noneinclude_for_metrics: []batch_eval_metrics: Falsesave_only_model: Falsesave_on_each_node: Falseenable_jit_checkpoint: Falsepush_to_hub: Falsehub_private_repo: Nonehub_model_id: Nonehub_strategy: every_savehub_always_push: Falsehub_revision: Noneload_best_model_at_end: Trueignore_data_skip: Falserestore_callback_states_from_checkpoint: Falsefull_determinism: Falseseed: 42data_seed: Noneuse_cpu: Falseaccelerator_config: {'split_batches': False, 'dispatch_batches': None, 'even_batches': True, 'use_seedable_sampler': True, 'non_blocking': False, 'gradient_accumulation_kwargs': None}parallelism_config: Nonedataloader_drop_last: Falsedataloader_num_workers: 0dataloader_pin_memory: Truedataloader_persistent_workers: Falsedataloader_prefetch_factor: Noneremove_unused_columns: Truelabel_names: Nonetrain_sampling_strategy: randomlength_column_name: lengthddp_find_unused_parameters: Noneddp_bucket_cap_mb: Noneddp_broadcast_buffers: Falseddp_static_graph: Noneddp_backend: Noneddp_timeout: 1800fsdp: []fsdp_config: {'min_num_params': 0, 'xla': False, 'xla_fsdp_v2': False, 'xla_fsdp_grad_ckpt': False}deepspeed: Nonedebug: []skip_memory_metrics: Truedo_predict: Falseresume_from_checkpoint: Nonewarmup_ratio: Nonelocal_rank: -1prompts: Nonebatch_sampler: batch_samplermulti_dataset_batch_sampler: proportionalrouter_mapping: {}learning_rate_mapping: {}| Epoch | Step | Training Loss | Validation Loss |
|---|---|---|---|
| 0.0623 | 20 | 0.2485 | - |
| 0.1246 | 40 | 0.1945 | - |
| 0.1869 | 60 | 0.1679 | - |
| 0.2492 | 80 | 0.1314 | - |
| 0.3115 | 100 | 0.1673 | - |
| 0.3738 | 120 | 0.1750 | - |
| 0.4361 | 140 | 0.1375 | - |
| 0.4984 | 160 | 0.1779 | - |
| 0.5607 | 180 | 0.1119 | - |
| 0.6231 | 200 | 0.1516 | - |
| 0.6854 | 220 | 0.1284 | - |
| 0.7477 | 240 | 0.1068 | - |
| 0.8100 | 260 | 0.1367 | - |
| 0.8723 | 280 | 0.0968 | - |
| 0.9346 | 300 | 0.0934 | - |
| 0.9969 | 320 | 0.1276 | - |
| 1.0 | 321 | - | 0.1635 |
| 1.0592 | 340 | 0.1069 | - |
| 1.1215 | 360 | 0.0679 | - |
| 1.1838 | 380 | 0.0987 | - |
| 1.2461 | 400 | 0.0829 | - |
| 1.3084 | 420 | 0.0646 | - |
| 1.3707 | 440 | 0.1205 | - |
| 1.4330 | 460 | 0.0682 | - |
| 1.4953 | 480 | 0.1087 | - |
| 1.5576 | 500 | 0.0874 | - |
| 1.6199 | 520 | 0.0880 | - |
| 1.6822 | 540 | 0.0678 | - |
| 1.7445 | 560 | 0.0743 | - |
| 1.8069 | 580 | 0.1250 | - |
| 1.8692 | 600 | 0.1010 | - |
| 1.9315 | 620 | 0.0914 | - |
| 1.9938 | 640 | 0.0813 | - |
| 2.0 | 642 | - | 0.1889 |
1@inproceedings{reimers-2019-sentence-bert,
2 title = "Sentence-BERT: Sentence Embeddings using Siamese BERT-Networks",
3 author = "Reimers, Nils and Gurevych, Iryna",
4 booktitle = "Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing",
5 month = "11",
6 year = "2019",
7 publisher = "Association for Computational Linguistics",
8 url = "https://arxiv.org/abs/1908.10084",
9}