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---
language:
- en
license: apache-2.0
tags:
- sentence-transformers
- multi-vector
- colbert
- late-interaction
- generated_from_trainer
- dataset_size:3475
- loss:MultiVectorMultipleNegativesRankingLoss
base_model: vidore/colqwen2-v1.0-hf
widget:
- text: What is the aim of this book according to the introduction?
- text: What is the purpose of a wet-bulb thermometer in a sling psychrometer?
- text: What are the different switching states for DCC and FCC topologies of a converter?
- text: What is the topic discussed in this page?
- text: What do these graphs show?
datasets:
- vidore/syntheticDocQA_energy_train
pipeline_tag: feature-extraction
library_name: sentence-transformers
metrics:
- maxsim_accuracy@1
- maxsim_accuracy@3
- maxsim_accuracy@5
- maxsim_accuracy@10
- maxsim_precision@1
- maxsim_precision@3
- maxsim_precision@5
- maxsim_precision@10
- maxsim_recall@1
- maxsim_recall@3
- maxsim_recall@5
- maxsim_recall@10
- maxsim_ndcg@10
- maxsim_mrr@10
- maxsim_map@100
model-index:
- name: colqwen2-v1.0-hf finetuned on energy document pages
  results:
  - task:
      type: multi-vector-information-retrieval
      name: Multi Vector Information Retrieval
    dataset:
      name: energy dev
      type: energy-dev
    metrics:
    - type: maxsim_accuracy@1
      value: 0.935
      name: Maxsim Accuracy@1
    - type: maxsim_accuracy@3
      value: 0.9675
      name: Maxsim Accuracy@3
    - type: maxsim_accuracy@5
      value: 0.9725
      name: Maxsim Accuracy@5
    - type: maxsim_accuracy@10
      value: 0.9825
      name: Maxsim Accuracy@10
    - type: maxsim_precision@1
      value: 0.935
      name: Maxsim Precision@1
    - type: maxsim_precision@3
      value: 0.3225
      name: Maxsim Precision@3
    - type: maxsim_precision@5
      value: 0.1945
      name: Maxsim Precision@5
    - type: maxsim_precision@10
      value: 0.09824999999999999
      name: Maxsim Precision@10
    - type: maxsim_recall@1
      value: 0.935
      name: Maxsim Recall@1
    - type: maxsim_recall@3
      value: 0.9675
      name: Maxsim Recall@3
    - type: maxsim_recall@5
      value: 0.9725
      name: Maxsim Recall@5
    - type: maxsim_recall@10
      value: 0.9825
      name: Maxsim Recall@10
    - type: maxsim_ndcg@10
      value: 0.9592186005800499
      name: Maxsim Ndcg@10
    - type: maxsim_mrr@10
      value: 0.9517777777777776
      name: Maxsim Mrr@10
    - type: maxsim_map@100
      value: 0.952218176489611
      name: Maxsim Map@100
---

# colqwen2-v1.0-hf finetuned on energy document pages

This is a [Multi-Vector Encoder](https://www.sbert.net/docs/multi_vector_encoder/usage/usage.html) model finetuned from [vidore/colqwen2-v1.0-hf](https://huggingface.co/vidore/colqwen2-v1.0-hf) on the [synthetic_doc_qa_energy_train](https://huggingface.co/datasets/vidore/syntheticDocQA_energy_train) dataset using the [sentence-transformers](https://www.SBERT.net) library. It maps inputs to sequences of 128-dimensional token-level vectors and scores them with late interaction (MaxSim), useful for semantic search with late interaction.
## Model Details

### Model Description
- **Model Type:** Multi-Vector Encoder
- **Base model:** [vidore/colqwen2-v1.0-hf](https://huggingface.co/vidore/colqwen2-v1.0-hf) <!-- at revision 0d3e414967fde994dd99a0ccc29bcb34b5355712 -->
- **Maximum Sequence Length:** 32768 tokens
- **Output Dimensionality:** 128 dimensions
- **Similarity Function:** maxsim
- **Supported Modalities:** Text, Image
- **Training Dataset:**
    - [synthetic_doc_qa_energy_train](https://huggingface.co/datasets/vidore/syntheticDocQA_energy_train)
- **Language:** en
- **License:** apache-2.0

### Model Sources

- **Documentation:** [Sentence Transformers Documentation](https://sbert.net)
- **Documentation:** [Multi-Vector Encoder Documentation](https://www.sbert.net/docs/multi_vector_encoder/usage/usage.html)
- **Repository:** [Sentence Transformers on GitHub](https://github.com/huggingface/sentence-transformers)
- **Hugging Face:** [Multi-Vector Encoders on Hugging Face](https://huggingface.co/models?library=sentence-transformers&other=multi-vector)

### Full Model Architecture

```
MultiVectorEncoder(
  (0): Transformer({'transformer_task': 'retrieval', 'modality_config': {'text': {'method': 'forward', 'method_output_name': 'embeddings'}, 'image': {'method': 'forward', 'method_output_name': 'embeddings'}}, 'module_output_name': 'token_embeddings', 'architecture': 'ColQwen2ForRetrieval'})
  (1): MultiVectorMask({'skiplist_words': [], 'keep_only_token_ids': None})
)
```

## 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 MultiVectorEncoder

# Download from the 🤗 Hub
model = MultiVectorEncoder("tomaarsen/multivector-colqwen2-v1.0-hf-docqa-energy")
# Run inference: each input becomes a sequence of per-token vectors (variable length).
queries = [
    'What topics are covered in this index?',
]
documents = [
    'https://huggingface.co/tomaarsen/multivector-colqwen2-v1.0-hf-docqa-energy/resolve/main/assets/image_0.jpg',
    'https://huggingface.co/tomaarsen/multivector-colqwen2-v1.0-hf-docqa-energy/resolve/main/assets/image_1.jpg',
    'https://huggingface.co/tomaarsen/multivector-colqwen2-v1.0-hf-docqa-energy/resolve/main/assets/image_2.jpg',
]
query_embeddings = model.encode_query(queries)
document_embeddings = model.encode_document(documents)
print(query_embeddings[0].shape, document_embeddings[0].shape)
# (20, 128) (759, 128)

# Get the MaxSim similarity scores
similarities = model.similarity(query_embeddings, document_embeddings)
print(similarities)
# tensor([[15.7523,  8.2611, 11.6049]])
```
<!--
### Direct Usage (Transformers)

<details><summary>Click to see the direct usage in Transformers</summary>

</details>
-->

<!--
### Downstream Usage (Sentence Transformers)

You can finetune this model on your own dataset.

<details><summary>Click to expand</summary>

</details>
-->

<!--
### Out-of-Scope Use

*List how the model may foreseeably be misused and address what users ought not to do with the model.*
-->

## Evaluation

### Metrics

#### Multi Vector Information Retrieval

* Dataset: `energy-dev`
* Evaluated with [<code>MultiVectorInformationRetrievalEvaluator</code>](https://sbert.net/docs/package_reference/multi_vector_encoder/evaluation.html#sentence_transformers.multi_vector_encoder.evaluation.MultiVectorInformationRetrievalEvaluator)

| Metric              | Value      |
|:--------------------|:-----------|
| maxsim_accuracy@1   | 0.935      |
| maxsim_accuracy@3   | 0.9675     |
| maxsim_accuracy@5   | 0.9725     |
| maxsim_accuracy@10  | 0.9825     |
| maxsim_precision@1  | 0.935      |
| maxsim_precision@3  | 0.3225     |
| maxsim_precision@5  | 0.1945     |
| maxsim_precision@10 | 0.0982     |
| maxsim_recall@1     | 0.935      |
| maxsim_recall@3     | 0.9675     |
| maxsim_recall@5     | 0.9725     |
| maxsim_recall@10    | 0.9825     |
| **maxsim_ndcg@10**  | **0.9592** |
| maxsim_mrr@10       | 0.9518     |
| maxsim_map@100      | 0.9522     |

<!--
## Bias, Risks and Limitations

*What are the known or foreseeable issues stemming from this model? You could also flag here known failure cases or weaknesses of the model.*
-->

<!--
### Recommendations

*What are recommendations with respect to the foreseeable issues? For example, filtering explicit content.*
-->

## Training Details

### Training Dataset

#### synthetic_doc_qa_energy_train

* Dataset: [synthetic_doc_qa_energy_train](https://huggingface.co/datasets/vidore/syntheticDocQA_energy_train) at [438dd85](https://huggingface.co/datasets/vidore/syntheticDocQA_energy_train/tree/438dd859839b0a48eba43c0e9f853195f2e61384)
* Size: 3,475 training samples
* Columns: <code>query</code> and <code>image</code>
* Approximate statistics based on the first 100 samples:
  |          | query                                                                              | image                                                                                  |
  |:---------|:-----------------------------------------------------------------------------------|:---------------------------------------------------------------------------------------|
  | type     | string                                                                             | image                                                                                  |
  | modality | text                                                                               | image                                                                                  |
  | details  | <ul><li>min: 18 tokens</li><li>mean: 28.12 tokens</li><li>max: 48 tokens</li></ul> | <ul><li>min: 932x312 px</li><li>mean: 1717x2057 px</li><li>max: 3200x2339 px</li></ul> |
* Samples:
  | query                                                                                                                           | image                                              |
  |:--------------------------------------------------------------------------------------------------------------------------------|:---------------------------------------------------|
  | <code>What is the objective of the research task related to reactor pressure vessel steels?</code>                              | <img src="https://huggingface.co/tomaarsen/multivector-colqwen2-v1.0-hf-docqa-energy/resolve/main/assets/example_image_0.jpg" width="200"> |
  | <code>What recommendations does this study make regarding energy policy options?</code>                                         | <img src="https://huggingface.co/tomaarsen/multivector-colqwen2-v1.0-hf-docqa-energy/resolve/main/assets/example_image_1.jpg" width="200"> |
  | <code>What are the typical materials used for the cathode, electrolyte, and anode in conventional solid-state batteries?</code> | <img src="https://huggingface.co/tomaarsen/multivector-colqwen2-v1.0-hf-docqa-energy/resolve/main/assets/example_image_2.jpg" width="200"> |
* Loss: [<code>MultiVectorMultipleNegativesRankingLoss</code>](https://sbert.net/docs/package_reference/multi_vector_encoder/losses.html#multivectormultiplenegativesrankingloss) with these parameters:
  ```json
  {
      "score_metric": "colbert_scores",
      "scale": 1.0,
      "score_mini_batch_size": null,
      "size_average": true,
      "gather_across_devices": false
  }
  ```

### Evaluation Dataset

#### synthetic_doc_qa_energy_train

* Dataset: [synthetic_doc_qa_energy_train](https://huggingface.co/datasets/vidore/syntheticDocQA_energy_train) at [438dd85](https://huggingface.co/datasets/vidore/syntheticDocQA_energy_train/tree/438dd859839b0a48eba43c0e9f853195f2e61384)
* Size: 400 evaluation samples
* Columns: <code>query</code> and <code>image</code>
* Approximate statistics based on the first 100 samples:
  |          | query                                                                              | image                                                                                   |
  |:---------|:-----------------------------------------------------------------------------------|:----------------------------------------------------------------------------------------|
  | type     | string                                                                             | image                                                                                   |
  | modality | text                                                                               | image                                                                                   |
  | details  | <ul><li>min: 18 tokens</li><li>mean: 27.27 tokens</li><li>max: 44 tokens</li></ul> | <ul><li>min: 827x1125 px</li><li>mean: 1728x2103 px</li><li>max: 3400x3042 px</li></ul> |
* Samples:
  | query                                                                                 | image                                      |
  |:--------------------------------------------------------------------------------------|:-------------------------------------------|
  | <code>What topics are covered in this index?</code>                                   | <img src="https://huggingface.co/tomaarsen/multivector-colqwen2-v1.0-hf-docqa-energy/resolve/main/assets/image_0.jpg" width="200"> |
  | <code>What are the different funding sources for projects listed in the table?</code> | <img src="https://huggingface.co/tomaarsen/multivector-colqwen2-v1.0-hf-docqa-energy/resolve/main/assets/image_1.jpg" width="200"> |
  | <code>What are the main sections covered in this report?</code>                       | <img src="https://huggingface.co/tomaarsen/multivector-colqwen2-v1.0-hf-docqa-energy/resolve/main/assets/image_2.jpg" width="200"> |
* Loss: [<code>MultiVectorMultipleNegativesRankingLoss</code>](https://sbert.net/docs/package_reference/multi_vector_encoder/losses.html#multivectormultiplenegativesrankingloss) with these parameters:
  ```json
  {
      "score_metric": "colbert_scores",
      "scale": 1.0,
      "score_mini_batch_size": null,
      "size_average": true,
      "gather_across_devices": false
  }
  ```

### Training Hyperparameters
#### Non-Default Hyperparameters

- `num_train_epochs`: 1
- `learning_rate`: 2e-05
- `warmup_steps`: 0.05
- `bf16`: True
- `save_only_model`: True
- `load_best_model_at_end`: True

#### All Hyperparameters
<details><summary>Click to expand</summary>

- `per_device_train_batch_size`: 8
- `num_train_epochs`: 1
- `max_steps`: -1
- `learning_rate`: 2e-05
- `lr_scheduler_type`: linear
- `lr_scheduler_kwargs`: None
- `warmup_steps`: 0.05
- `optim`: adamw_torch_fused
- `optim_args`: None
- `weight_decay`: 0.0
- `adam_beta1`: 0.9
- `adam_beta2`: 0.999
- `adam_epsilon`: 1e-08
- `optim_target_modules`: None
- `gradient_accumulation_steps`: 1
- `average_tokens_across_devices`: True
- `max_grad_norm`: 1.0
- `label_smoothing_factor`: 0.0
- `bf16`: True
- `fp16`: False
- `bf16_full_eval`: False
- `fp16_full_eval`: False
- `tf32`: None
- `gradient_checkpointing`: False
- `gradient_checkpointing_kwargs`: None
- `torch_compile`: False
- `torch_compile_backend`: None
- `torch_compile_mode`: None
- `use_liger_kernel`: False
- `liger_kernel_config`: None
- `use_cache`: False
- `neftune_noise_alpha`: None
- `torch_empty_cache_steps`: None
- `auto_find_batch_size`: False
- `log_on_each_node`: True
- `logging_nan_inf_filter`: True
- `include_num_input_tokens_seen`: no
- `log_level`: passive
- `log_level_replica`: warning
- `disable_tqdm`: False
- `project`: huggingface
- `trackio_space_id`: None
- `trackio_bucket_id`: None
- `trackio_static_space_id`: None
- `per_device_eval_batch_size`: 8
- `prediction_loss_only`: True
- `eval_on_start`: False
- `eval_do_concat_batches`: True
- `eval_use_gather_object`: False
- `eval_accumulation_steps`: None
- `include_for_metrics`: []
- `batch_eval_metrics`: False
- `save_only_model`: True
- `save_on_each_node`: False
- `enable_jit_checkpoint`: False
- `push_to_hub`: False
- `hub_private_repo`: None
- `hub_model_id`: None
- `hub_strategy`: every_save
- `hub_always_push`: False
- `hub_revision`: None
- `load_best_model_at_end`: True
- `ignore_data_skip`: False
- `restore_callback_states_from_checkpoint`: False
- `full_determinism`: False
- `seed`: 42
- `data_seed`: None
- `use_cpu`: False
- `accelerator_config`: {'split_batches': False, 'dispatch_batches': None, 'even_batches': True, 'use_seedable_sampler': True, 'non_blocking': False, 'gradient_accumulation_kwargs': None}
- `parallelism_config`: None
- `dataloader_drop_last`: False
- `dataloader_num_workers`: 0
- `dataloader_pin_memory`: True
- `dataloader_persistent_workers`: False
- `dataloader_prefetch_factor`: None
- `remove_unused_columns`: True
- `label_names`: None
- `train_sampling_strategy`: random
- `length_column_name`: length
- `ddp_find_unused_parameters`: None
- `ddp_bucket_cap_mb`: None
- `ddp_broadcast_buffers`: False
- `ddp_static_graph`: None
- `ddp_backend`: None
- `ddp_timeout`: 1800
- `fsdp`: None
- `fsdp_config`: None
- `deepspeed`: None
- `debug`: []
- `skip_memory_metrics`: True
- `do_predict`: False
- `resume_from_checkpoint`: None
- `warmup_ratio`: None
- `local_rank`: -1
- `prompts`: None
- `batch_sampler`: batch_sampler
- `multi_dataset_batch_sampler`: proportional
- `router_mapping`: {}
- `learning_rate_mapping`: {}
- `max_length`: None

</details>

### Training Logs
| Epoch   | Step    | Training Loss | Validation Loss | energy-dev_maxsim_ndcg@10 |
|:-------:|:-------:|:-------------:|:---------------:|:-------------------------:|
| -1      | -1      | -             | -               | 0.9571                    |
| 0.0115  | 5       | 0.0964        | -               | -                         |
| 0.0230  | 10      | 0.0489        | -               | -                         |
| 0.0345  | 15      | 0.1147        | -               | -                         |
| 0.0460  | 20      | 0.0682        | -               | -                         |
| 0.0575  | 25      | 0.0311        | -               | -                         |
| 0.0690  | 30      | 0.0563        | -               | -                         |
| 0.0805  | 35      | 0.0086        | -               | -                         |
| 0.0920  | 40      | 0.0599        | -               | -                         |
| 0.1011  | 44      | -             | 0.0606          | 0.9554                    |
| 0.1034  | 45      | 0.0014        | -               | -                         |
| 0.1149  | 50      | 0.0163        | -               | -                         |
| 0.1264  | 55      | 0.0684        | -               | -                         |
| 0.1379  | 60      | 0.0364        | -               | -                         |
| 0.1494  | 65      | 0.0973        | -               | -                         |
| 0.1609  | 70      | 0.0744        | -               | -                         |
| 0.1724  | 75      | 0.0444        | -               | -                         |
| 0.1839  | 80      | 0.0047        | -               | -                         |
| 0.1954  | 85      | 0.1064        | -               | -                         |
| 0.2023  | 88      | -             | 0.0516          | 0.9548                    |
| 0.2069  | 90      | 0.1071        | -               | -                         |
| 0.2184  | 95      | 0.0783        | -               | -                         |
| 0.2299  | 100     | 0.0627        | -               | -                         |
| 0.2414  | 105     | 0.0181        | -               | -                         |
| 0.2529  | 110     | 0.0073        | -               | -                         |
| 0.2644  | 115     | 0.0430        | -               | -                         |
| 0.2759  | 120     | 0.0013        | -               | -                         |
| 0.2874  | 125     | 0.0500        | -               | -                         |
| 0.2989  | 130     | 0.0044        | -               | -                         |
| 0.3034  | 132     | -             | 0.0442          | 0.9548                    |
| 0.3103  | 135     | 0.0891        | -               | -                         |
| 0.3218  | 140     | 0.0260        | -               | -                         |
| 0.3333  | 145     | 0.0302        | -               | -                         |
| 0.3448  | 150     | 0.0229        | -               | -                         |
| 0.3563  | 155     | 0.1208        | -               | -                         |
| 0.3678  | 160     | 0.0367        | -               | -                         |
| 0.3793  | 165     | 0.0361        | -               | -                         |
| 0.3908  | 170     | 0.0409        | -               | -                         |
| 0.4023  | 175     | 0.0103        | -               | -                         |
| 0.4046  | 176     | -             | 0.0427          | 0.9559                    |
| 0.4138  | 180     | 0.0072        | -               | -                         |
| 0.4253  | 185     | 0.0649        | -               | -                         |
| 0.4368  | 190     | 0.0405        | -               | -                         |
| 0.4483  | 195     | 0.0026        | -               | -                         |
| 0.4598  | 200     | 0.0352        | -               | -                         |
| 0.4713  | 205     | 0.0342        | -               | -                         |
| 0.4828  | 210     | 0.0098        | -               | -                         |
| 0.4943  | 215     | 0.0057        | -               | -                         |
| 0.5057  | 220     | 0.0235        | 0.0416          | 0.9567                    |
| 0.5172  | 225     | 0.0026        | -               | -                         |
| 0.5287  | 230     | 0.0119        | -               | -                         |
| 0.5402  | 235     | 0.0013        | -               | -                         |
| 0.5517  | 240     | 0.0417        | -               | -                         |
| 0.5632  | 245     | 0.0118        | -               | -                         |
| 0.5747  | 250     | 0.0060        | -               | -                         |
| 0.5862  | 255     | 0.0069        | -               | -                         |
| 0.5977  | 260     | 0.0620        | -               | -                         |
| 0.6069  | 264     | -             | 0.0410          | 0.9583                    |
| 0.6092  | 265     | 0.0700        | -               | -                         |
| 0.6207  | 270     | 0.0287        | -               | -                         |
| 0.6322  | 275     | 0.1266        | -               | -                         |
| 0.6437  | 280     | 0.0015        | -               | -                         |
| 0.6552  | 285     | 0.0147        | -               | -                         |
| 0.6667  | 290     | 0.0145        | -               | -                         |
| 0.6782  | 295     | 0.0976        | -               | -                         |
| 0.6897  | 300     | 0.0027        | -               | -                         |
| 0.7011  | 305     | 0.0341        | -               | -                         |
| 0.7080  | 308     | -             | 0.0404          | 0.9583                    |
| 0.7126  | 310     | 0.0570        | -               | -                         |
| 0.7241  | 315     | 0.0302        | -               | -                         |
| 0.7356  | 320     | 0.0047        | -               | -                         |
| 0.7471  | 325     | 0.0238        | -               | -                         |
| 0.7586  | 330     | 0.0514        | -               | -                         |
| 0.7701  | 335     | 0.0022        | -               | -                         |
| 0.7816  | 340     | 0.0579        | -               | -                         |
| 0.7931  | 345     | 0.0030        | -               | -                         |
| 0.8046  | 350     | 0.0407        | -               | -                         |
| 0.8092  | 352     | -             | 0.0404          | 0.9577                    |
| 0.8161  | 355     | 0.0363        | -               | -                         |
| 0.8276  | 360     | 0.0570        | -               | -                         |
| 0.8391  | 365     | 0.0031        | -               | -                         |
| 0.8506  | 370     | 0.0603        | -               | -                         |
| 0.8621  | 375     | 0.0067        | -               | -                         |
| 0.8736  | 380     | 0.0022        | -               | -                         |
| 0.8851  | 385     | 0.0129        | -               | -                         |
| 0.8966  | 390     | 0.0072        | -               | -                         |
| 0.9080  | 395     | 0.0052        | -               | -                         |
| 0.9103  | 396     | -             | 0.0405          | 0.9574                    |
| 0.9195  | 400     | 0.0165        | -               | -                         |
| 0.9310  | 405     | 0.0060        | -               | -                         |
| 0.9425  | 410     | 0.0020        | -               | -                         |
| 0.9540  | 415     | 0.0144        | -               | -                         |
| 0.9655  | 420     | 0.0572        | -               | -                         |
| 0.9770  | 425     | 0.1479        | -               | -                         |
| 0.9885  | 430     | 0.0381        | -               | -                         |
| **1.0** | **435** | **0.0337**    | **0.0405**      | **0.9592**                |
| -1      | -1      | -             | -               | 0.9592                    |

* The bold row denotes the saved checkpoint.

### Training Time
- **Training**: 14.2 minutes
- **Evaluation**: 24.0 minutes
- **Total**: 38.2 minutes

### Framework Versions
- Python: 3.11.13
- Sentence Transformers: 5.7.0.dev0
- Transformers: 5.14.1
- PyTorch: 2.11.0+cu128
- Accelerate: 1.5.2
- Datasets: 3.5.0
- Tokenizers: 0.22.2

## 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",
}
```

#### MultiVectorMultipleNegativesRankingLoss
```bibtex
@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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