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---
pipeline_tag: text-classification
tags:
- transformers
- information-retrieval
language: pl
license: apache-2.0
---
<h1 align="center">polish-reranker-large-mse</h1>
This is a Polish text ranking model trained using the mean squared error (MSE) distillation method on a large dataset of text pairs consisting of 1.4 million queries and 10 million documents.
The training data included the following parts: 1) The Polish MS MARCO training split (800k queries); 2) The ELI5 dataset translated to Polish (over 500k queries); 3) A collection of Polish medical questions and answers (approximately 100k queries).
As a teacher model, we employed [unicamp-dl/mt5-13b-mmarco-100k](https://huggingface.co/unicamp-dl/mt5-13b-mmarco-100k), a large multilingual reranker based on the MT5-XXL architecture. As a student model, we choose [Polish RoBERTa](https://huggingface.co/sdadas/polish-roberta-large-v2).
In the MSE method, the student is trained to directly replicate the outputs returned by the teacher.
## Usage (Sentence-Transformers)
You can use the model like this with [sentence-transformers](https://www.SBERT.net):
```python
from sentence_transformers import CrossEncoder
import torch.nn
query = "Jak dożyć 100 lat?"
answers = [
"Trzeba zdrowo się odżywiać i uprawiać sport.",
"Trzeba pić alkohol, imprezować i jeździć szybkimi autami.",
"Gdy trwała kampania politycy zapewniali, że rozprawią się z zakazem niedzielnego handlu."
]
model = CrossEncoder(
"sdadas/polish-reranker-large-mse",
default_activation_function=torch.nn.Identity(),
max_length=512,
device="cuda" if torch.cuda.is_available() else "cpu"
)
pairs = [[query, answer] for answer in answers]
results = model.predict(pairs)
print(results.tolist())
```
## Usage (Huggingface Transformers)
The model can also be used with Huggingface Transformers in the following way:
```python
from transformers import AutoTokenizer, AutoModelForSequenceClassification
import numpy as np
query = "Jak dożyć 100 lat?"
answers = [
"Trzeba zdrowo się odżywiać i uprawiać sport.",
"Trzeba pić alkohol, imprezować i jeździć szybkimi autami.",
"Gdy trwała kampania politycy zapewniali, że rozprawią się z zakazem niedzielnego handlu."
]
model_name = "sdadas/polish-reranker-large-mse"
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModelForSequenceClassification.from_pretrained(model_name)
texts = [f"{query}</s></s>{answer}" for answer in answers]
tokens = tokenizer(texts, padding="longest", max_length=512, truncation=True, return_tensors="pt")
output = model(**tokens)
results = output.logits.detach().numpy()
results = np.squeeze(results)
print(results.tolist())
```
## Evaluation Results
The model achieves **NDCG@10** of **60.27** in the Rerankers category of the Polish Information Retrieval Benchmark. See [PIRB Leaderboard](https://huggingface.co/spaces/sdadas/pirb) for detailed results.
## Citation
```bibtex
@article{dadas2024assessing,
title={Assessing generalization capability of text ranking models in Polish},
author={Sławomir Dadas and Małgorzata Grębowiec},
year={2024},
eprint={2402.14318},
archivePrefix={arXiv},
primaryClass={cs.CL}
}
```
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