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Model: cross-encoder/qnli-distilroberta-base Source: Original Platform
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README.md
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---
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license: apache-2.0
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language:
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- en
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base_model:
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- distilbert/distilroberta-base
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pipeline_tag: text-ranking
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library_name: sentence-transformers
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tags:
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- transformers
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---
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# Cross-Encoder for SQuAD (QNLI)
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This model was trained using [SentenceTransformers](https://sbert.net) [Cross-Encoder](https://www.sbert.net/examples/applications/cross-encoder/README.html) class.
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## Training Data
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Given a question and paragraph, can the question be answered by the paragraph? The models have been trained on the [GLUE QNLI](https://arxiv.org/abs/1804.07461) dataset, which transformed the [SQuAD dataset](https://rajpurkar.github.io/SQuAD-explorer/) into an NLI task.
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## Performance
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For performance results of this model, see [SBERT.net Pre-trained Cross-Encoder][https://www.sbert.net/docs/pretrained_cross-encoders.html].
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## Usage
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Pre-trained models can be used like this:
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```python
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from sentence_transformers import CrossEncoder
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model = CrossEncoder('cross-encoder/qnli-distilroberta-base')
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scores = model.predict([('Query1', 'Paragraph1'), ('Query2', 'Paragraph2')])
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#e.g.
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scores = model.predict([('How many people live in Berlin?', 'Berlin had a population of 3,520,031 registered inhabitants in an area of 891.82 square kilometers.'), ('What is the size of New York?', 'New York City is famous for the Metropolitan Museum of Art.')])
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```
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## Usage with Transformers AutoModel
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You can use the model also directly with Transformers library (without SentenceTransformers library):
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```python
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from transformers import AutoTokenizer, AutoModelForSequenceClassification
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import torch
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model = AutoModelForSequenceClassification.from_pretrained('cross-encoder/qnli-distilroberta-base')
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tokenizer = AutoTokenizer.from_pretrained('cross-encoder/qnli-distilroberta-base')
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features = tokenizer(['How many people live in Berlin?', 'What is the size of New York?'], ['Berlin had a population of 3,520,031 registered inhabitants in an area of 891.82 square kilometers.', 'New York City is famous for the Metropolitan Museum of Art.'], padding=True, truncation=True, return_tensors="pt")
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model.eval()
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with torch.no_grad():
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scores = torch.nn.functional.sigmoid(model(**features).logits)
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print(scores)
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```
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