llama3.1-8B-Crash-Location-Casualty – AI Model by crash-information-extraction | AlphaNeural AI

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llama3.1-8B-Crash-Location-Casualty

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Llama3.1-8B-Crash-Location-Casualty

Fine-tuned Llama 3.1 for extracting crash location and casualties from Persian social media.

📄 Paper: Extracting traffic crash information from social media: an LLM-based approach – Transportation Letters (2026)

🎯 What it does

Extracts two key types of information from Persian social media texts:

Location (streets, highways, areas)
Casualty Count (fatalities & injuries)

⚙️ Fine-tuning

Method: QLoRA
Base Model: unsloth/meta-llama-3.1-8b-bnb-4bit
Data: Proprietary Persian social media crash dataset (Damavand County, Iran)

📊 Performance

Task	Metric	Score
Fatality & Injury Extraction	Accuracy	97%
Location Extraction	BLEU	0.697
Location Extraction	METEOR	0.864

Social media captured 64.1% of crash hotspots compared to official records.

🚀 Quick Start

python

from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained("crash-information-extraction/llama3.1-8B-Crash-Location-Casualty")
tokenizer = AutoTokenizer.from_pretrained("crash-information-extraction/llama3.1-8B-Crash-Location-Casualty")