---
library_name: span-marker
tags:
- span-marker
- token-classification
- ner
- named-entity-recognition
- generated_from_span_marker_trainer
datasets:
- SpeedOfMagic/ontonotes_english
metrics:
- precision
- recall
- f1
widget:
- text: Late Friday night, the Senate voted 87 - 7 to approve an estimated $13.5 billion
    measure that had been stripped of hundreds of provisions that would have widened,
    rather than narrowed, the federal budget deficit.
- text: Among classes for which details were available, yields ranged from 8.78%,
    or 75 basis points over two - year Treasury securities, to 10.05%, or 200 basis
    points over 10 - year Treasurys.
- text: According to statistics, in the past five years, Tianjin Bonded Area has attracted
    a total of over 3000 enterprises from 73 countries and regions all over the world
    and 25 domestic provinces, cities and municipalities to invest, reaching a total
    agreed investment value of more than 3 billion US dollars and a total agreed foreign
    investment reaching more than 2 billion US dollars.
- text: But Dirk Van Dongen, president of the National Association of Wholesaler -
    Distributors, said that last month's rise "isn't as bad an omen" as the 0.9% figure
    suggests.
- text: Robert White, Canadian Auto Workers union president, used the impending Scarborough
    shutdown to criticize the U.S. - Canada free trade agreement and its champion,
    Prime Minister Brian Mulroney.
pipeline_tag: token-classification
model-index:
- name: SpanMarker
  results:
  - task:
      type: token-classification
      name: Named Entity Recognition
    dataset:
      name: Unknown
      type: SpeedOfMagic/ontonotes_english
      split: test
    metrics:
    - type: f1
      value: 0.9077127659574469
      name: F1
    - type: precision
      value: 0.9045852107076597
      name: Precision
    - type: recall
      value: 0.9108620229516947
      name: Recall
---

# SpanMarker

This is a [SpanMarker](https://github.com/tomaarsen/SpanMarkerNER) model trained on the [SpeedOfMagic/ontonotes_english](https://huggingface.co/datasets/SpeedOfMagic/ontonotes_english) dataset that can be used for Named Entity Recognition.

## Model Details

### Model Description
- **Model Type:** SpanMarker
<!-- - **Encoder:** [Unknown](https://huggingface.co/unknown) -->
- **Maximum Sequence Length:** 256 tokens
- **Maximum Entity Length:** 8 words
- **Training Dataset:** [SpeedOfMagic/ontonotes_english](https://huggingface.co/datasets/SpeedOfMagic/ontonotes_english)
<!-- - **Language:** Unknown -->
<!-- - **License:** Unknown -->

### Model Sources

- **Repository:** [SpanMarker on GitHub](https://github.com/tomaarsen/SpanMarkerNER)
- **Thesis:** [SpanMarker For Named Entity Recognition](https://raw.githubusercontent.com/tomaarsen/SpanMarkerNER/main/thesis.pdf)

### Model Labels
| Label       | Examples                                                                                               |
|:------------|:-------------------------------------------------------------------------------------------------------|
| CARDINAL    | "tens of thousands", "One point three million", "two"                                                  |
| DATE        | "Sunday", "a year", "two thousand one"                                                                 |
| EVENT       | "World War Two", "Katrina", "Hurricane Katrina"                                                        |
| FAC         | "Route 80", "the White House", "Dylan 's Candy Bars"                                                   |
| GPE         | "America", "Atlanta", "Miami"                                                                          |
| LANGUAGE    | "English", "Russian", "Arabic"                                                                         |
| LAW         | "Roe", "the Patriot Act", "FISA"                                                                       |
| LOC         | "Asia", "the Gulf Coast", "the West Bank"                                                              |
| MONEY       | "twenty - seven million dollars", "one hundred billion dollars", "less than fourteen thousand dollars" |
| NORP        | "American", "Muslim", "Americans"                                                                      |
| ORDINAL     | "third", "First", "first"                                                                              |
| ORG         | "Wal - Mart", "Wal - Mart 's", "a Wal - Mart"                                                          |
| PERCENT     | "seventeen percent", "sixty - seven percent", "a hundred percent"                                      |
| PERSON      | "Kira Phillips", "Rick Sanchez", "Bob Shapiro"                                                         |
| PRODUCT     | "Columbia", "Discovery Shuttle", "Discovery"                                                           |
| QUANTITY    | "forty - five miles", "six thousand feet", "a hundred and seventy pounds"                              |
| TIME        | "tonight", "evening", "Tonight"                                                                        |
| WORK_OF_ART | "A Tale of Two Cities", "Newsnight", "Headline News"                                                   |

## Evaluation

### Metrics
| Label       | Precision | Recall | F1     |
|:------------|:----------|:-------|:-------|
| **all**     | 0.9046    | 0.9109 | 0.9077 |
| CARDINAL    | 0.8579    | 0.8524 | 0.8552 |
| DATE        | 0.8634    | 0.8893 | 0.8762 |
| EVENT       | 0.6719    | 0.6935 | 0.6825 |
| FAC         | 0.7211    | 0.7852 | 0.7518 |
| GPE         | 0.9725    | 0.9647 | 0.9686 |
| LANGUAGE    | 0.9286    | 0.5909 | 0.7222 |
| LAW         | 0.7941    | 0.7297 | 0.7606 |
| LOC         | 0.7632    | 0.8101 | 0.7859 |
| MONEY       | 0.8914    | 0.8885 | 0.8900 |
| NORP        | 0.9311    | 0.9643 | 0.9474 |
| ORDINAL     | 0.8227    | 0.9282 | 0.8723 |
| ORG         | 0.9217    | 0.9073 | 0.9145 |
| PERCENT     | 0.9145    | 0.9198 | 0.9171 |
| PERSON      | 0.9638    | 0.9643 | 0.9640 |
| PRODUCT     | 0.6778    | 0.8026 | 0.7349 |
| QUANTITY    | 0.7850    | 0.8    | 0.7925 |
| TIME        | 0.6794    | 0.6730 | 0.6762 |
| WORK_OF_ART | 0.6562    | 0.6442 | 0.6502 |

## Uses

### Direct Use for Inference

```python
from span_marker import SpanMarkerModel

# Download from the 🤗 Hub
model = SpanMarkerModel.from_pretrained("supreethrao/instructNER_ontonotes5_xl")
# Run inference
entities = model.predict("Robert White, Canadian Auto Workers union president, used the impending Scarborough shutdown to criticize the U.S. - Canada free trade agreement and its champion, Prime Minister Brian Mulroney.")
```

### Downstream Use
You can finetune this model on your own dataset.

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

```python
from span_marker import SpanMarkerModel, Trainer

# Download from the 🤗 Hub
model = SpanMarkerModel.from_pretrained("supreethrao/instructNER_ontonotes5_xl")

# Specify a Dataset with "tokens" and "ner_tag" columns
dataset = load_dataset("conll2003") # For example CoNLL2003

# Initialize a Trainer using the pretrained model & dataset
trainer = Trainer(
    model=model,
    train_dataset=dataset["train"],
    eval_dataset=dataset["validation"],
)
trainer.train()
trainer.save_model("supreethrao/instructNER_ontonotes5_xl-finetuned")
```
</details>

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## Training Details

### Training Set Metrics
| Training set          | Min | Median  | Max |
|:----------------------|:----|:--------|:----|
| Sentence length       | 1   | 18.1647 | 210 |
| Entities per sentence | 0   | 1.3655  | 32  |

### Training Hyperparameters
- learning_rate: 5e-05
- train_batch_size: 16
- eval_batch_size: 16
- seed: 42
- distributed_type: multi-GPU
- num_devices: 2
- total_train_batch_size: 32
- total_eval_batch_size: 32
- optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
- lr_scheduler_type: linear
- lr_scheduler_warmup_ratio: 0.1
- num_epochs: 3
- mixed_precision_training: Native AMP

### Framework Versions
- Python: 3.10.13
- SpanMarker: 1.5.0
- Transformers: 4.35.2
- PyTorch: 2.1.1
- Datasets: 2.15.0
- Tokenizers: 0.15.0

## Citation

### BibTeX
```
@software{Aarsen_SpanMarker,
    author = {Aarsen, Tom},
    license = {Apache-2.0},
    title = {{SpanMarker for Named Entity Recognition}},
    url = {https://github.com/tomaarsen/SpanMarkerNER}
}
```

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