Word Morphing

Samuel Yuan, Yunang Chen, Yi Lu, Miao Qi

Introduction

Motivation & Background:

• People try to avoid their posts being censored by substituting politically sensitive terms with morphs. (Chinese)
• Reduce illegal trade on websites such as Craigslist. (English)

Goals:

• After substituting sensitive terms, we can still retain the meaning. (Chinese)
• Detect posts that sell illegal goods. (English)

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Input/Output with Examples

• Morph Detection

System Architecture

• Automatic decoding
• Be able to spot keywords with suspicious meanings
• Find the real meaning of the keyword

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• Automatic encoding
• Generate a list of possible keywords
• Evaluate the usefulness of the new keywords by showing them to a human

Time Table