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README.md
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---
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language: en
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license: apache-2.0
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tags:
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- nlp
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- sentiment-analysis
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- bert
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- classification
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metrics:
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- accuracy
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- f1
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---
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# customer_feedback_sentiment_bert
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## Overview
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This model is a fine-tuned BERT (Bidirectional Encoder Representations from Transformers) model designed to categorize customer feedback into three distinct sentiment classes: Negative, Neutral, and Positive. It is optimized for short-to-medium length text such as product reviews, survey responses, and social media mentions.
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## Model Architecture
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The model utilizes the **BERT-Base-Uncased** backbone.
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- **Layers**: 12 Transformer blocks
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- **Attention Heads**: 12
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- **Hidden Size**: 768
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- **Classification Head**: A linear layer on top of the `[CLS]` token output, followed by a softmax function to produce class probabilities.
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## Intended Use
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- **E-commerce**: Automating the analysis of product reviews to identify common pain points.
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- **Customer Support**: Prioritizing tickets based on the urgency/frustration detected in user messages.
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- **Market Research**: Aggregating sentiment trends across different platforms in real-time.
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## Limitations
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- **Language**: This specific instance is trained only on English text.
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- **Context Length**: Limited to 512 tokens; longer documents will be truncated, potentially losing critical sentiment cues at the end of the text.
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- **Sarcasm**: Like most NLP models, it may struggle with highly sarcastic or nuanced figurative language.
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