NER Model for Legal Texts
Released in January 2024, this is a Turkish BERT language model pretrained from scratch on an optimized BERT architecture using a 2 GB Turkish legal corpus. The corpus was sourced from legal-related thesis documents available in the Higher Education Board National Thesis Center (YÖKTEZ). The model has been fine-tuned for Named Entity Recognition (NER) tasks on human-annotated datasets provided by NewMind, a legal tech company in Istanbul, Turkey.
In our paper, we outline the steps taken to train this model and demonstrate its superior performance compared to previous approaches.
Overview
- Preprint Paper: https://arxiv.org/abs/2407.00648
- Architecture: Optimized BERT Base
- Language: Turkish
- Supported Labels:
Person
Law
Publication
Government
Corporation
Other
Project
Money
Date
Location
Court
Model Name: LegalTurk Optimized BERT
How to Use
Use a pipeline as a high-level helper
from transformers import pipeline
# Load the pipeline
model = pipeline("ner", model="farnazzeidi/ner-legalturk-bert-model", aggregation_strategy='simple')
# Input text
text = "Burada, Tebligat Kanunu ile VUK düzenlemesi ayrımına dikkat etmek gerekir."
# Get predictions
predictions = model(text)
print(predictions)
Load model directly
from transformers import AutoTokenizer, AutoModelForTokenClassification
import torch
# Load model and tokenizer
tokenizer = AutoTokenizer.from_pretrained("farnazzeidi/ner-legalturk-bert-model")
model = AutoModelForTokenClassification.from_pretrained("farnazzeidi/ner-legalturk-bert-model")
text = "Burada, Tebligat Kanunu ile VUK düzenlemesi ayrımına dikkat etmek gerekir."
inputs = tokenizer(text, return_tensors="pt")
outputs = model(**inputs)
# Process logits and map predictions to labels
predictions = [
(token, model.config.id2label[label.item()])
for token, label in zip(
tokenizer.convert_ids_to_tokens(inputs["input_ids"][0]),
torch.argmax(torch.softmax(outputs.logits, dim=-1), dim=-1)[0]
)
if token not in tokenizer.all_special_tokens
]
print(predictions)
Authors
Farnaz Zeidi, Mehmet Fatih Amasyali, Çigdem Erol
License
This model is shared under the CC BY-NC-SA 4.0 License. You are free to use, share, and adapt the model for non-commercial purposes, provided that you give appropriate credit to the authors.
For commercial use, please contact [zeidi.uni@gmail.com].
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