splade-distilbert-base-uncased trained on Natural Questions

This is a SPLADE Sparse Encoder model finetuned from distilbert/distilbert-base-uncased on the natural-questions dataset using the sentence-transformers library. It maps sentences & paragraphs to a 30522-dimensional sparse vector space and can be used for semantic search and sparse retrieval.

Model Details

Model Description

  • Model Type: SPLADE Sparse Encoder
  • Base model: distilbert/distilbert-base-uncased
  • Maximum Sequence Length: 256 tokens
  • Output Dimensionality: 30522 dimensions
  • Similarity Function: Dot Product
  • Training Dataset:
  • Language: en
  • License: apache-2.0

Model Sources

Full Model Architecture

SparseEncoder(
  (0): MLMTransformer({'max_seq_length': 256, 'do_lower_case': False}) with MLMTransformer model: DistilBertForMaskedLM 
  (1): SpladePooling({'pooling_strategy': 'max', 'activation_function': 'relu', 'word_embedding_dimension': 30522})
)

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 SparseEncoder

# Download from the 🤗 Hub
model = SparseEncoder("tomaarsen/splade-distilbert-base-uncased-nq-e-3")
# Run inference
sentences = [
    'is send in the clowns from a musical',
    'Send In the Clowns "Send In the Clowns" is a song written by Stephen Sondheim for the 1973 musical A Little Night Music, an adaptation of Ingmar Bergman\'s film Smiles of a Summer Night. It is a ballad from Act Two, in which the character Desirée reflects on the ironies and disappointments of her life. Among other things, she looks back on an affair years earlier with the lawyer Fredrik, who was deeply in love with her but whose marriage proposals she had rejected. Meeting him after so long, she realizes she is in love with him and finally ready to marry him, but now it is he who rejects her: he is in an unconsummated marriage with a much younger woman. Desirée proposes marriage to rescue him from this situation, but he declines, citing his dedication to his bride. Reacting to his rejection, Desirée sings this song. The song is later reprised as a coda after Fredrik\'s young wife runs away with his son, and Fredrik is finally free to accept Desirée\'s offer.[1]',
    'The Suite Life on Deck The Suite Life on Deck is an American sitcom that aired on Disney Channel from September 26, 2008 to May 6, 2011. It is a sequel/spin-off of the Disney Channel Original Series The Suite Life of Zack & Cody. The series follows twin brothers Zack and Cody Martin and hotel heiress London Tipton in a new setting, the SS Tipton, where they attend classes at "Seven Seas High School" and meet Bailey Pickett while Mr. Moseby manages the ship. The ship travels around the world to nations such as Italy, France, Greece, India, Sweden and the United Kingdom where the characters experience different cultures, adventures, and situations.[1]',
]
embeddings = model.encode(sentences)
print(embeddings.shape)
# (3, 30522)

# Get the similarity scores for the embeddings
similarities = model.similarity(embeddings, embeddings)
print(similarities.shape)
# [3, 3]

Evaluation

Metrics

Sparse Information Retrieval

  • Datasets: NanoMSMARCO, NanoNFCorpus, NanoNQ, NanoClimateFEVER, NanoDBPedia, NanoFEVER, NanoFiQA2018, NanoHotpotQA, NanoMSMARCO, NanoNFCorpus, NanoNQ, NanoQuoraRetrieval, NanoSCIDOCS, NanoArguAna, NanoSciFact and NanoTouche2020
  • Evaluated with SparseInformationRetrievalEvaluator
Metric NanoMSMARCO NanoNFCorpus NanoNQ NanoClimateFEVER NanoDBPedia NanoFEVER NanoFiQA2018 NanoHotpotQA NanoQuoraRetrieval NanoSCIDOCS NanoArguAna NanoSciFact NanoTouche2020
dot_accuracy@1 0.22 0.34 0.3 0.18 0.6 0.62 0.22 0.64 0.64 0.36 0.18 0.38 0.551
dot_accuracy@3 0.42 0.52 0.5 0.36 0.82 0.82 0.32 0.82 0.84 0.48 0.4 0.5 0.7755
dot_accuracy@5 0.6 0.52 0.62 0.44 0.86 0.9 0.44 0.82 0.88 0.62 0.54 0.62 0.8776
dot_accuracy@10 0.74 0.58 0.68 0.6 0.9 0.9 0.54 0.86 0.98 0.76 0.7 0.66 0.9592
dot_precision@1 0.22 0.34 0.3 0.18 0.6 0.62 0.22 0.64 0.64 0.36 0.18 0.38 0.551
dot_precision@3 0.14 0.3133 0.1667 0.1333 0.4867 0.28 0.1333 0.3733 0.32 0.2133 0.1333 0.18 0.4966
dot_precision@5 0.12 0.288 0.124 0.1 0.444 0.184 0.116 0.232 0.22 0.204 0.108 0.136 0.4531
dot_precision@10 0.074 0.226 0.07 0.07 0.4 0.092 0.076 0.132 0.124 0.154 0.07 0.074 0.3857
dot_recall@1 0.22 0.0214 0.29 0.07 0.0538 0.61 0.138 0.32 0.574 0.0767 0.18 0.355 0.0385
dot_recall@3 0.42 0.0742 0.49 0.1733 0.1509 0.7867 0.25 0.56 0.768 0.1337 0.4 0.475 0.1072
dot_recall@5 0.6 0.09 0.6 0.2033 0.1924 0.8567 0.3294 0.58 0.8447 0.2107 0.54 0.59 0.1571
dot_recall@10 0.74 0.1132 0.66 0.28 0.2793 0.8567 0.3908 0.66 0.9553 0.3167 0.7 0.64 0.2517
dot_ndcg@10 0.4633 0.2763 0.4797 0.2161 0.4933 0.7519 0.2932 0.6047 0.7882 0.2935 0.4216 0.5022 0.4366
dot_mrr@10 0.3766 0.4214 0.428 0.2994 0.7174 0.7293 0.3043 0.7287 0.7535 0.4672 0.3347 0.467 0.6907
dot_map@100 0.3857 0.1139 0.4289 0.1684 0.3648 0.7119 0.2444 0.5281 0.7271 0.2143 0.3471 0.4629 0.3307
row_non_zero_mean_query 15.38 18.82 14.4 25.02 14.34 17.84 18.94 18.8 17.78 24.84 29.36 19.8 15.2245
row_sparsity_mean_query 0.9995 0.9994 0.9995 0.9992 0.9995 0.9994 0.9994 0.9994 0.9994 0.9992 0.999 0.9994 0.9995
row_non_zero_mean_corpus 26.5969 30.6597 23.7349 27.7779 22.8129 25.6451 27.0208 24.7527 19.437 34.3446 29.989 27.2199 31.9006
row_sparsity_mean_corpus 0.9991 0.999 0.9992 0.9991 0.9993 0.9992 0.9991 0.9992 0.9994 0.9989 0.999 0.9991 0.999

Sparse Nano BEIR

  • Dataset: NanoBEIR_mean
  • Evaluated with SparseNanoBEIREvaluator with these parameters:
    {
        "dataset_names": [
            "msmarco",
            "nfcorpus",
            "nq"
        ]
    }
    
Metric Value
dot_accuracy@1 0.2867
dot_accuracy@3 0.4533
dot_accuracy@5 0.5667
dot_accuracy@10 0.64
dot_precision@1 0.2867
dot_precision@3 0.2
dot_precision@5 0.1667
dot_precision@10 0.1167
dot_recall@1 0.1896
dot_recall@3 0.3268
dot_recall@5 0.4157
dot_recall@10 0.4806
dot_ndcg@10 0.3972
dot_mrr@10 0.4007
dot_map@100 0.3115
row_non_zero_mean_query 17.0133
row_sparsity_mean_query 0.9994
row_non_zero_mean_corpus 26.2541
row_sparsity_mean_corpus 0.9991

Sparse Nano BEIR

  • Dataset: NanoBEIR_mean
  • Evaluated with SparseNanoBEIREvaluator with these parameters:
    {
        "dataset_names": [
            "climatefever",
            "dbpedia",
            "fever",
            "fiqa2018",
            "hotpotqa",
            "msmarco",
            "nfcorpus",
            "nq",
            "quoraretrieval",
            "scidocs",
            "arguana",
            "scifact",
            "touche2020"
        ]
    }
    
Metric Value
dot_accuracy@1 0.4024
dot_accuracy@3 0.5827
dot_accuracy@5 0.6721
dot_accuracy@10 0.7584
dot_precision@1 0.4024
dot_precision@3 0.2592
dot_precision@5 0.2099
dot_precision@10 0.1498
dot_recall@1 0.2267
dot_recall@3 0.3684
dot_recall@5 0.4457
dot_recall@10 0.5264
dot_ndcg@10 0.4631
dot_mrr@10 0.5168
dot_map@100 0.3868
row_non_zero_mean_query 19.2727
row_sparsity_mean_query 0.9994
row_non_zero_mean_corpus 27.0686
row_sparsity_mean_corpus 0.9991

Training Details

Training Dataset

natural-questions

  • Dataset: natural-questions at f9e894e
  • Size: 99,000 training samples
  • Columns: query and answer
  • Approximate statistics based on the first 1000 samples:
    query answer
    type string string
    details
    • min: 10 tokens
    • mean: 11.71 tokens
    • max: 26 tokens
    • min: 4 tokens
    • mean: 131.81 tokens
    • max: 450 tokens
  • Samples:
    query answer
    who played the father in papa don't preach Alex McArthur Alex McArthur (born March 6, 1957) is an American actor.
    where was the location of the battle of hastings Battle of Hastings The Battle of Hastings[a] was fought on 14 October 1066 between the Norman-French army of William, the Duke of Normandy, and an English army under the Anglo-Saxon King Harold Godwinson, beginning the Norman conquest of England. It took place approximately 7 miles (11 kilometres) northwest of Hastings, close to the present-day town of Battle, East Sussex, and was a decisive Norman victory.
    how many puppies can a dog give birth to Canine reproduction The largest litter size to date was set by a Neapolitan Mastiff in Manea, Cambridgeshire, UK on November 29, 2004; the litter was 24 puppies.[22]
  • Loss: SpladeLoss with these parameters:
    {'loss': SparseMultipleNegativesRankingLoss(
      (model): SparseEncoder(
        (0): MLMTransformer({'max_seq_length': 256, 'do_lower_case': False}) with MLMTransformer model: DistilBertForMaskedLM 
        (1): SpladePooling({'pooling_strategy': 'max', 'activation_function': 'relu', 'word_embedding_dimension': None})
      )
      (cross_entropy_loss): CrossEntropyLoss()
    ), 'lambda_corpus': 0.003, 'lambda_query': 0.005}
    

Evaluation Dataset

natural-questions

  • Dataset: natural-questions at f9e894e
  • Size: 1,000 evaluation samples
  • Columns: query and answer
  • Approximate statistics based on the first 1000 samples:
    query answer
    type string string
    details
    • min: 10 tokens
    • mean: 11.69 tokens
    • max: 23 tokens
    • min: 15 tokens
    • mean: 134.01 tokens
    • max: 512 tokens
  • Samples:
    query answer
    where is the tiber river located in italy Tiber The Tiber (/ˈtaɪbər/, Latin: Tiberis,[1] Italian: Tevere [ˈteːvere])[2] is the third-longest river in Italy, rising in the Apennine Mountains in Emilia-Romagna and flowing 406 kilometres (252 mi) through Tuscany, Umbria and Lazio, where it is joined by the river Aniene, to the Tyrrhenian Sea, between Ostia and Fiumicino.[3] It drains a basin estimated at 17,375 square kilometres (6,709 sq mi). The river has achieved lasting fame as the main watercourse of the city of Rome, founded on its eastern banks.
    what kind of car does jay gatsby drive Jay Gatsby At the Buchanan home, Jordan Baker, Nick, Jay, and the Buchanans decide to visit New York City. Tom borrows Gatsby's yellow Rolls Royce to drive up to the city. On the way to New York City, Tom makes a detour at a gas station in "the Valley of Ashes", a run-down part of Long Island. The owner, George Wilson, shares his concern that his wife, Myrtle, may be having an affair. This unnerves Tom, who has been having an affair with Myrtle, and he leaves in a hurry.
    who sings if i can dream about you I Can Dream About You "I Can Dream About You" is a song performed by American singer Dan Hartman on the soundtrack album of the film Streets of Fire. Released in 1984 as a single from the soundtrack, and included on Hartman's album I Can Dream About You, it reached number 6 on the Billboard Hot 100.[1]
  • Loss: SpladeLoss with these parameters:
    {'loss': SparseMultipleNegativesRankingLoss(
      (model): SparseEncoder(
        (0): MLMTransformer({'max_seq_length': 256, 'do_lower_case': False}) with MLMTransformer model: DistilBertForMaskedLM 
        (1): SpladePooling({'pooling_strategy': 'max', 'activation_function': 'relu', 'word_embedding_dimension': None})
      )
      (cross_entropy_loss): CrossEntropyLoss()
    ), 'lambda_corpus': 0.003, 'lambda_query': 0.005}
    

Training Hyperparameters

Non-Default Hyperparameters

  • eval_strategy: steps
  • per_device_train_batch_size: 12
  • per_device_eval_batch_size: 12
  • learning_rate: 2e-05
  • num_train_epochs: 1
  • bf16: True
  • load_best_model_at_end: True
  • batch_sampler: no_duplicates

All Hyperparameters

Click to expand
  • overwrite_output_dir: False
  • do_predict: False
  • eval_strategy: steps
  • prediction_loss_only: True
  • per_device_train_batch_size: 12
  • per_device_eval_batch_size: 12
  • per_gpu_train_batch_size: None
  • per_gpu_eval_batch_size: None
  • gradient_accumulation_steps: 1
  • eval_accumulation_steps: None
  • torch_empty_cache_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: 1
  • max_steps: -1
  • lr_scheduler_type: linear
  • lr_scheduler_kwargs: {}
  • warmup_ratio: 0.0
  • 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: True
  • fp16: False
  • fp16_opt_level: O1
  • half_precision_backend: auto
  • bf16_full_eval: False
  • fp16_full_eval: False
  • tf32: None
  • 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
  • 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: None
  • hub_always_push: False
  • gradient_checkpointing: False
  • gradient_checkpointing_kwargs: None
  • include_inputs_for_metrics: False
  • include_for_metrics: []
  • 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
  • eval_on_start: False
  • use_liger_kernel: False
  • eval_use_gather_object: False
  • average_tokens_across_devices: False
  • prompts: None
  • batch_sampler: no_duplicates
  • multi_dataset_batch_sampler: proportional

Training Logs

Epoch Step Training Loss Validation Loss NanoMSMARCO_dot_ndcg@10 NanoNFCorpus_dot_ndcg@10 NanoNQ_dot_ndcg@10 NanoBEIR_mean_dot_ndcg@10 NanoClimateFEVER_dot_ndcg@10 NanoDBPedia_dot_ndcg@10 NanoFEVER_dot_ndcg@10 NanoFiQA2018_dot_ndcg@10 NanoHotpotQA_dot_ndcg@10 NanoQuoraRetrieval_dot_ndcg@10 NanoSCIDOCS_dot_ndcg@10 NanoArguAna_dot_ndcg@10 NanoSciFact_dot_ndcg@10 NanoTouche2020_dot_ndcg@10
0.0242 200 4.6206 - - - - - - - - - - - - - - -
0.0485 400 0.074 - - - - - - - - - - - - - - -
0.0727 600 0.0441 - - - - - - - - - - - - - - -
0.0970 800 0.0288 - - - - - - - - - - - - - - -
0.1212 1000 0.0395 - - - - - - - - - - - - - - -
0.1455 1200 0.0387 - - - - - - - - - - - - - - -
0.1697 1400 0.039 - - - - - - - - - - - - - - -
0.1939 1600 0.0274 - - - - - - - - - - - - - - -
0.2 1650 - 0.0425 0.4834 0.2578 0.4469 0.3960 - - - - - - - - - -
0.2182 1800 0.0317 - - - - - - - - - - - - - - -
0.2424 2000 0.0563 - - - - - - - - - - - - - - -
0.2667 2200 0.0521 - - - - - - - - - - - - - - -
0.2909 2400 0.0481 - - - - - - - - - - - - - - -
0.3152 2600 0.0562 - - - - - - - - - - - - - - -
0.3394 2800 0.0524 - - - - - - - - - - - - - - -
0.3636 3000 0.0477 - - - - - - - - - - - - - - -
0.3879 3200 0.0579 - - - - - - - - - - - - - - -
0.4 3300 - 0.0544 0.4270 0.2376 0.4740 0.3795 - - - - - - - - - -
0.4121 3400 0.0458 - - - - - - - - - - - - - - -
0.4364 3600 0.0477 - - - - - - - - - - - - - - -
0.4606 3800 0.0479 - - - - - - - - - - - - - - -
0.4848 4000 0.046 - - - - - - - - - - - - - - -
0.5091 4200 0.0382 - - - - - - - - - - - - - - -
0.5333 4400 0.0442 - - - - - - - - - - - - - - -
0.5576 4600 0.0405 - - - - - - - - - - - - - - -
0.5818 4800 0.0417 - - - - - - - - - - - - - - -
0.6 4950 - 0.0416 0.4677 0.2401 0.4760 0.3946 - - - - - - - - - -
0.6061 5000 0.033 - - - - - - - - - - - - - - -
0.6303 5200 0.0437 - - - - - - - - - - - - - - -
0.6545 5400 0.0351 - - - - - - - - - - - - - - -
0.6788 5600 0.0387 - - - - - - - - - - - - - - -
0.7030 5800 0.048 - - - - - - - - - - - - - - -
0.7273 6000 0.0498 - - - - - - - - - - - - - - -
0.7515 6200 0.0442 - - - - - - - - - - - - - - -
0.7758 6400 0.0359 - - - - - - - - - - - - - - -
0.8 6600 0.0398 0.0403 0.4633 0.2763 0.4797 0.4064 - - - - - - - - - -
0.8242 6800 0.0364 - - - - - - - - - - - - - - -
0.8485 7000 0.0363 - - - - - - - - - - - - - - -
0.8727 7200 0.0344 - - - - - - - - - - - - - - -
0.8970 7400 0.0351 - - - - - - - - - - - - - - -
0.9212 7600 0.0296 - - - - - - - - - - - - - - -
0.9455 7800 0.0363 - - - - - - - - - - - - - - -
0.9697 8000 0.0387 - - - - - - - - - - - - - - -
0.9939 8200 0.041 - - - - - - - - - - - - - - -
1.0 8250 - 0.0413 0.4653 0.2583 0.4681 0.3972 - - - - - - - - - -
-1 -1 - - 0.4633 0.2763 0.4797 0.4631 0.2161 0.4933 0.7519 0.2932 0.6047 0.7882 0.2935 0.4216 0.5022 0.4366
  • The bold row denotes the saved checkpoint.

Environmental Impact

Carbon emissions were measured using CodeCarbon.

  • Energy Consumed: 0.084 kWh
  • Carbon Emitted: 0.033 kg of CO2
  • Hours Used: 0.292 hours

Training Hardware

  • On Cloud: No
  • GPU Model: 1 x NVIDIA GeForce RTX 3090
  • CPU Model: 13th Gen Intel(R) Core(TM) i7-13700K
  • RAM Size: 31.78 GB

Framework Versions

  • Python: 3.11.6
  • Sentence Transformers: 4.2.0.dev0
  • Transformers: 4.49.0
  • PyTorch: 2.6.0+cu124
  • Accelerate: 1.5.1
  • Datasets: 2.21.0
  • Tokenizers: 0.21.1

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",
}

SpladeLoss

@misc{formal2022distillationhardnegativesampling,
      title={From Distillation to Hard Negative Sampling: Making Sparse Neural IR Models More Effective},
      author={Thibault Formal and Carlos Lassance and Benjamin Piwowarski and Stéphane Clinchant},
      year={2022},
      eprint={2205.04733},
      archivePrefix={arXiv},
      primaryClass={cs.IR},
      url={https://arxiv.org/abs/2205.04733},
}

SparseMultipleNegativesRankingLoss

@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}
}

FlopsLoss

@article{paria2020minimizing,
    title={Minimizing flops to learn efficient sparse representations},
    author={Paria, Biswajit and Yeh, Chih-Kuan and Yen, Ian EH and Xu, Ning and Ravikumar, Pradeep and P{'o}czos, Barnab{'a}s},
    journal={arXiv preprint arXiv:2004.05665},
    year={2020}
    }
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