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README.md
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# Duplicate Sentence Detection with ALBERT-base-v2
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## π Overview
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This repository hosts the quantized version of the ALBERT-base-v2 model for Duplicate Sentence Detection. The model is designed to determine whether two sentences convey the same meaning. If they are similar, the model outputs "duplicate" with a confidence score; otherwise, it outputs "not duplicate" with a confidence score. The model has been optimized for efficient deployment while maintaining reasonable accuracy, making it suitable for real-time applications.
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## π Model Details
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- **Model Architecture:** ALBERT-base-v2
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- **Task:** Duplicate Sentence Detection
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- **Dataset:** Hugging Face's `quora-question-pairs`
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- **Quantization:** Float16 (FP16) for optimized inference
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- **Fine-tuning Framework:** Hugging Face Transformers
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## π Usage
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### Installation
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```bash
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pip install transformers torch
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```
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### Loading the Model
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```python
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from transformers import AlbertTokenizer, AlbertForSequenceClassification
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import torch
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device = "cuda" if torch.cuda.is_available() else "cpu"
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model_name = "AventIQ-AI/albert-duplicate-sentence-detection"
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model = AlbertForSequenceClassification.from_pretrained(model_name).to(device)
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tokenizer = AlbertTokenizer.from_pretrained(model_name)
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```
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### Paraphrase Detection Inference
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```python
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def predict_duplicate(question1, question2, model):
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inputs = tokenizer(question1, question2, truncation=True, padding="max_length", max_length=128, return_tensors="pt")
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# β
Move inputs to the same device as the model
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inputs = {key: value.to(device) for key, value in inputs.items()}
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with torch.no_grad(): # Disable gradient calculation
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outputs = model(**inputs)
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logits = outputs.logits
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# β
Get prediction
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probs = torch.softmax(logits, dim=1)
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prediction = torch.argmax(probs, dim=1).item()
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# β
Output the results
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label_map = {0: "Not Duplicate", 1: "Duplicate"}
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print(f"Q1: {question1}")
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print(f"Q2: {question2}")
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print(f"Prediction: {label_map[prediction]} (Confidence: {probs.max().item():.4f})\n")
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# π Test Example
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test_samples = [
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("How can I learn Python quickly?", "What is the fastest way to learn Python?"), # Duplicate
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("What is the capital of India?", "Where is New Delhi located?"), # Duplicate
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("How to lose weight fast?", "What is the best programming language to learn?"), # Not Duplicate
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("Who is the CEO of Tesla?", "What is the net worth of Elon Musk?"), # Not Duplicate
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("What is machine learning?", "How does AI work?"), # Duplicate
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]
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for q1, q2 in test_samples:
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predict_duplicate(q1, q2, model)
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```
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## π Quantized Model Evaluation Results
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### π₯ Evaluation Metrics π₯
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- β
**Accuracy:** 0.7215
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- β
**Precision:** 0.6497
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- β
**Recall:** 0.5440
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- β
**F1-score:** 0.5922
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## β‘ Quantization Details
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Post-training quantization was applied using PyTorch's built-in quantization framework. The model was quantized to Float16 (FP16) to reduce model size and improve inference efficiency while balancing accuracy.
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## π Repository Structure
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```
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.
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βββ model/ # Contains the quantized model files
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βββ tokenizer_config/ # Tokenizer configuration and vocabulary files
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βββ model.safetensors/ # Quantized Model
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βββ README.md # Model documentation
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```
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## β οΈ Limitations
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- The model may struggle with highly nuanced paraphrases.
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- Quantization may lead to slight degradation in accuracy compared to full-precision models.
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- Performance may vary across different domains and sentence structures.
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## π€ Contributing
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Contributions are welcome! Feel free to open an issue or submit a pull request if you have suggestions or improvements.
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