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README.md
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---
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language: en
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license: mit
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tags:
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- text-classification
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- spoiler-detection
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- bert
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- imdb
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datasets:
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- imdb-review-dataset
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metrics:
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- accuracy
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- f1
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model-index:
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- name: bert-base-spoiler-detection
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results:
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- task:
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type: text-classification
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name: Spoiler Detection
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dataset:
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name: IMDB Review Dataset
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type: imdb-reviews
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metrics:
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- type: accuracy
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value: 0.76
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name: Test Accuracy
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---
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# BERT Base Spoiler Detection
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## Model Description
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This model is a fine-tuned version of [bert-base-uncased](https://huggingface.co/bert-base-uncased) for detecting spoilers in movie and TV show reviews. It classifies reviews as either containing spoilers or being spoiler-free.
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**Developed by:** Tyler Jordan
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**Model type:** Text Classification
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**Language:** English
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**License:** MIT
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**Base model:** bert-base-uncased
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## Intended Use
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### Primary Use Case
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Automatically detect spoilers in user-generated movie and TV show reviews to warn readers before they encounter plot-revealing content.
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### Intended Users
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- Movie review platforms
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- Content moderation systems
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- Personal projects for filtering spoilers
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### Out-of-Scope Uses
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- Reviews in languages other than English
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- Non-entertainment content (news, academic papers, etc.)
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- Legal or medical content requiring high accuracy
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## Training Data
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**Dataset:** [IMDB Review Dataset](https://www.kaggle.com/datasets/ebiswas/imdb-review-dataset) by Enam Biswas (2021)
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**Preprocessing:**
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- Sampled 200,000 balanced reviews (100k spoilers, 100k non-spoilers) from 5.5M total reviews
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- Train/Validation/Test split: 140k/30k/30k (70%/15%/15%)
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- Text cleaning: HTML tag removal, whitespace normalization
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- Minimum review length: 30 characters
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- Maximum sequence length: 512 tokens
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**Class Distribution:**
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- Spoiler: 50%
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- Non-spoiler: 50%
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## Training Procedure
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### Training Hyperparameters
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- **Optimizer:** AdamW
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- **Learning rate:** 1e-5
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- **Batch size:** 32
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- **Epochs:** 5
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- **Max sequence length:** 512
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- **Dropout:** 0.3
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- **Weight decay:** 0.01
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- **Warmup steps:** 10% of total steps
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- **Learning rate schedule:** Linear warmup with decay
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### Training Hardware
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- GPU: NVIDIA T4 (Google Colab)
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- Training time: ~2-3 hours
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### Framework
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- PyTorch 2.5.1
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- Transformers 4.x
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- CUDA 12.1
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## Evaluation
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### Metrics
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| Metric | Value |
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|--------|-------|
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| Test Accuracy | 76.0% |
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| Validation Accuracy | 76.3% |
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### Evaluation Data
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- 30,000 held-out reviews from the IMDB dataset
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- Balanced split (50% spoilers, 50% non-spoilers)
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