Beta Presentation Amazon Customer Review Analyzer The Capstone - - PowerPoint PPT Presentation

From Students… …to Professionals

The Capstone Experience

Beta Presentation

Amazon Customer Review Analyzer

Team Amazon

Tess Huelskamp Ian Whalen Jie Wan Ankit Luthra Jason Liu Department of Computer Science and Engineering Michigan State University Spring 2017

Project Overview

• Improve the Amazon Retail Experience
• Automatically Classify Reviews into Categories
• Enable More Informed Purchasinng Decisions
• Filter Out Non-Product Reviews

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Data

• Amazon Review APIs are closed
• Historical Data from USCD study
• Team hand classified 4000 reviews for training

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Machine Learning

• Amazon Machine Learning uses Logistic

Regression

• Loss function optimized with stochastic

gradient descent

• Minimizing “chance” that a review is

misclassified

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Classification

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The quick brown fox jumped over the lazy dog.

(Review Text)

(quick, brown, fox, jump, over, lazy, dog)

(Cleaned, Stemmed)

(1,0,0,1,0,0,…,0)

(Bag-of-Words)

0 or 1

(Classification)

(NLTK) (AML)

System Architecture

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Home Page and Search Results

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Category Page and Similar Items

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Review Page and Misclassified Button

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What’s left to do?

• Make Project Video
• Squash Bugs

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Questions?

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