BGE base Financial Matryoshka

This is a sentence-transformers model finetuned from BAAI/bge-base-en-v1.5. It maps sentences & paragraphs to a 768-dimensional dense vector space and can be used for semantic textual similarity, semantic search, paraphrase mining, text classification, clustering, and more.

Model Details

Model Description

  • Model Type: Sentence Transformer
  • Base model: BAAI/bge-base-en-v1.5
  • Maximum Sequence Length: 512 tokens
  • Output Dimensionality: 768 tokens
  • Similarity Function: Cosine Similarity
  • Language: en
  • License: apache-2.0

Model Sources

Full Model Architecture

SentenceTransformer(
  (0): Transformer({'max_seq_length': 512, 'do_lower_case': True}) with Transformer model: BertModel 
  (1): Pooling({'word_embedding_dimension': 768, 'pooling_mode_cls_token': True, 'pooling_mode_mean_tokens': False, 'pooling_mode_max_tokens': False, 'pooling_mode_mean_sqrt_len_tokens': False, 'pooling_mode_weightedmean_tokens': False, 'pooling_mode_lasttoken': False, 'include_prompt': True})
  (2): Normalize()
)

Usage

Direct Usage (Sentence Transformers)

First install the Sentence Transformers library:

pip install -U sentence-transformers

Then you can load this model and run inference.

from sentence_transformers import SentenceTransformer

# Download from the 🤗 Hub
model = SentenceTransformer("pavanmantha/bge-base-en-honsec10k-embed")
# Run inference
sentences = [
    'Item 8 typically refers to Financial Statements and Supplementary Data in a document.',
    'What does Item 8 in a document usually represent?',
    'What are the maximum leverage ratios specified under the Senior Credit Facilities for the periods ending fourth quarter of 2023 and first quarter of 2024?',
]
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

Information Retrieval

Metric Value
cosine_accuracy@1 0.7057
cosine_accuracy@3 0.8371
cosine_accuracy@5 0.8743
cosine_accuracy@10 0.9129
cosine_precision@1 0.7057
cosine_precision@3 0.279
cosine_precision@5 0.1749
cosine_precision@10 0.0913
cosine_recall@1 0.7057
cosine_recall@3 0.8371
cosine_recall@5 0.8743
cosine_recall@10 0.9129
cosine_ndcg@10 0.8114
cosine_mrr@10 0.7787
cosine_map@100 0.7822

Information Retrieval

Metric Value
cosine_accuracy@1 0.7057
cosine_accuracy@3 0.8329
cosine_accuracy@5 0.8714
cosine_accuracy@10 0.9129
cosine_precision@1 0.7057
cosine_precision@3 0.2776
cosine_precision@5 0.1743
cosine_precision@10 0.0913
cosine_recall@1 0.7057
cosine_recall@3 0.8329
cosine_recall@5 0.8714
cosine_recall@10 0.9129
cosine_ndcg@10 0.8108
cosine_mrr@10 0.778
cosine_map@100 0.7816

Information Retrieval

Metric Value
cosine_accuracy@1 0.7157
cosine_accuracy@3 0.8343
cosine_accuracy@5 0.87
cosine_accuracy@10 0.9057
cosine_precision@1 0.7157
cosine_precision@3 0.2781
cosine_precision@5 0.174
cosine_precision@10 0.0906
cosine_recall@1 0.7157
cosine_recall@3 0.8343
cosine_recall@5 0.87
cosine_recall@10 0.9057
cosine_ndcg@10 0.8123
cosine_mrr@10 0.7823
cosine_map@100 0.7863

Information Retrieval

Metric Value
cosine_accuracy@1 0.6929
cosine_accuracy@3 0.8171
cosine_accuracy@5 0.8614
cosine_accuracy@10 0.9029
cosine_precision@1 0.6929
cosine_precision@3 0.2724
cosine_precision@5 0.1723
cosine_precision@10 0.0903
cosine_recall@1 0.6929
cosine_recall@3 0.8171
cosine_recall@5 0.8614
cosine_recall@10 0.9029
cosine_ndcg@10 0.7975
cosine_mrr@10 0.7638
cosine_map@100 0.7673

Training Details

Training Dataset

Unnamed Dataset

  • Size: 6,300 training samples
  • Columns: positive and anchor
  • Approximate statistics based on the first 1000 samples:
    positive anchor
    type string string
    details
    • min: 6 tokens
    • mean: 44.43 tokens
    • max: 248 tokens
    • min: 7 tokens
    • mean: 20.52 tokens
    • max: 45 tokens
  • Samples:
    positive anchor
    Net deferred tax liabilities $
    ITEM 3. LEGAL PROCEEDINGS Please see the legal proceedings described in Note 21. Commitments and Contingencies included in Item 8 of Part II of this report. In what part and item of the report is Note 21 located?
    During fiscal year 2023, we repurchased 10.4 million shares for approximately $1,295 million. What total amount was spent on share repurchases during fiscal year 2023?
  • Loss: MatryoshkaLoss with these parameters:
    {
        "loss": "MultipleNegativesRankingLoss",
        "matryoshka_dims": [
            768,
            512,
            256,
            128
        ],
        "matryoshka_weights": [
            1,
            1,
            1,
            1
        ],
        "n_dims_per_step": -1
    }
    

Training Hyperparameters

Non-Default Hyperparameters

  • eval_strategy: epoch
  • per_device_train_batch_size: 32
  • per_device_eval_batch_size: 16
  • gradient_accumulation_steps: 16
  • learning_rate: 2e-05
  • num_train_epochs: 4
  • lr_scheduler_type: cosine
  • warmup_ratio: 0.1
  • fp16: True
  • tf32: False
  • load_best_model_at_end: True
  • optim: adamw_torch_fused
  • batch_sampler: no_duplicates

All Hyperparameters

Click to expand
  • overwrite_output_dir: False
  • do_predict: False
  • eval_strategy: epoch
  • prediction_loss_only: True
  • per_device_train_batch_size: 32
  • per_device_eval_batch_size: 16
  • per_gpu_train_batch_size: None
  • per_gpu_eval_batch_size: None
  • gradient_accumulation_steps: 16
  • eval_accumulation_steps: None
  • learning_rate: 2e-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: cosine
  • lr_scheduler_kwargs: {}
  • 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
  • save_only_model: False
  • restore_callback_states_from_checkpoint: 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: False
  • local_rank: 0
  • ddp_backend: None
  • tpu_num_cores: None
  • tpu_metrics_debug: False
  • debug: []
  • dataloader_drop_last: False
  • dataloader_num_workers: 0
  • dataloader_prefetch_factor: None
  • past_index: -1
  • disable_tqdm: False
  • remove_unused_columns: True
  • label_names: None
  • load_best_model_at_end: True
  • ignore_data_skip: False
  • fsdp: []
  • fsdp_min_num_params: 0
  • fsdp_config: {'min_num_params': 0, 'xla': False, 'xla_fsdp_v2': False, 'xla_fsdp_grad_ckpt': False}
  • fsdp_transformer_layer_cls_to_wrap: None
  • accelerator_config: {'split_batches': False, 'dispatch_batches': None, 'even_batches': True, 'use_seedable_sampler': True, 'non_blocking': False, 'gradient_accumulation_kwargs': None}
  • deepspeed: None
  • label_smoothing_factor: 0.0
  • optim: adamw_torch_fused
  • 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
  • dataloader_persistent_workers: False
  • 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
  • eval_do_concat_batches: True
  • 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: None
  • include_tokens_per_second: False
  • include_num_input_tokens_seen: False
  • neftune_noise_alpha: None
  • optim_target_modules: None
  • batch_eval_metrics: False
  • batch_sampler: no_duplicates
  • multi_dataset_batch_sampler: proportional

Training Logs

Epoch Step Training Loss dim_128_cosine_map@100 dim_256_cosine_map@100 dim_512_cosine_map@100 dim_768_cosine_map@100
0.8122 10 1.1537 - - - -
0.9746 12 - 0.7517 0.7620 0.7633 0.7636
1.6244 20 0.4387 - - - -
1.9492 24 - 0.7616 0.7802 0.7796 0.7769
2.4365 30 0.3113 - - - -
2.9239 36 - 0.7668 0.7837 0.7809 0.7821
3.2487 40 0.2554 - - - -
3.8985 48 - 0.7673 0.7863 0.7816 0.7822
  • The bold row denotes the saved checkpoint.

Framework Versions

  • Python: 3.10.13
  • Sentence Transformers: 3.0.1
  • Transformers: 4.41.2
  • PyTorch: 2.1.2
  • Accelerate: 0.31.0
  • Datasets: 2.19.1
  • Tokenizers: 0.19.1

Citation

BibTeX

Sentence Transformers

@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",
}

MatryoshkaLoss

@misc{kusupati2024matryoshka,
    title={Matryoshka Representation Learning}, 
    author={Aditya Kusupati and Gantavya Bhatt and Aniket Rege and Matthew Wallingford and Aditya Sinha and Vivek Ramanujan and William Howard-Snyder and Kaifeng Chen and Sham Kakade and Prateek Jain and Ali Farhadi},
    year={2024},
    eprint={2205.13147},
    archivePrefix={arXiv},
    primaryClass={cs.LG}
}

MultipleNegativesRankingLoss

@misc{henderson2017efficient,
    title={Efficient Natural Language Response Suggestion for Smart Reply}, 
    author={Matthew Henderson and Rami Al-Rfou and Brian Strope and Yun-hsuan Sung and Laszlo Lukacs and Ruiqi Guo and Sanjiv Kumar and Balint Miklos and Ray Kurzweil},
    year={2017},
    eprint={1705.00652},
    archivePrefix={arXiv},
    primaryClass={cs.CL}
}
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