NLP-Project

Table of Contents

• Term Statistics
• Sentiment analysis
• Topic extraction

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Term Statistics

Data available at: http://snap.stanford.edu/data/amazon/productGraph/categoryFiles/reviews_Office_Products_5.json.gz

Text processing pipeline

• JSON formatting
• Tokenization
• Removal of stop words
• Lemmatization
• Stemming

Frequency vs Rank

POS collection

2-gram, 3-gram, 4-gram generation

Sentiment analysis

TF-IDF computation

Naive Bayes classification

Topic extraction

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