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Johns Hopkins University

Training AI with Humans

Johns Hopkins University via Coursera

Overview

In the course "Training AI with Humans", you'll delve into the intersection of machine learning and human collaboration, exploring how to enhance AI performance through effective data annotation and crowdsourcing. You’ll gain a comprehensive understanding of machine learning principles and performance metrics while developing practical skills in using platforms like Amazon Mechanical Turk (AMT) for crowdsourced tasks. This unique approach combines theoretical knowledge with hands-on experience, allowing you to implement Inter-Annotator Agreement (IAA) techniques to ensure high-quality annotated data. By completing this course, you will be well-equipped to design and conduct impactful crowdsourcing studies, improving AI models in real-world applications such as healthcare and research. Whether you're looking to enhance your skills in machine learning, optimize data collection processes, or understand the ethical implications of crowdsourcing, this course offers invaluable insights and tools.

Syllabus

  • Course Introduction
    • This course explores the intersection of machine learning (ML) and human input through various methodologies and tools. Spanning five modules, students will gain a comprehensive understanding of machine learning techniques, the role of human annotation in ML performance, and the principles and practices of crowdsourcing. The course covers key aspects of designing and implementing crowdsourced studies, calculating inter-annotator agreements, and leveraging crowdsourcing to enhance ML performance. Practical skills will be developed through hands-on activities using platforms like Amazon Mechanical Turk (AMT) and analyzing the data collected from such platforms.
  • Machine Learning
    • In this module, you’ll be introduced to the fundamentals of machine learning (ML). You’ll learn the definition and principles of ML, and gain practical skills in calculating and comparing ML performance metrics. You’ll get a chance to understand how to construct ML classifiers and analyze their effectiveness across different algorithms. This module prepares you to apply ML techniques effectively in various domains, enhancing your ability to solve complex problems using data-driven approaches.
  • Inter-Annotator Agreement (IAA)
    • In this module, you’ll explore the significance of IAA in Machine Learning (ML) performance. You’ll learn to calculate IAA manually and implement Krippendorf’s Alpha using the software. You’ll gain insights into how IAA impacts the reliability of annotated data and its implications for ML model training. This module equips you with essential skills to ensure consistency and reliability in data annotation processes, crucial for effective ML applications.
  • Crowdsourcing
    • In this module, you’ll be introduced to the concept and practical applications of crowdsourcing. You’ll get a chance to learn how crowdsourcing enhances problem-solving through collective efforts and explore real-world use cases. You’ll be able to establish your first Amazon Mechanical Turk (AMT) account and understand the platform's capabilities for executing crowdsourced tasks. You’ll get a chance to delve into crowdsourcing design principles to optimize task efficiency and reliability. This module prepares you to leverage crowdsourcing effectively for diverse applications, from data annotation to research experiments.
  • Platforms
    • Platform" module focuses on leveraging Amazon Mechanical Turk (AMT) for crowdsourcing studies. Learn to design effective experiments using AMT, ensuring optimal task design and participant engagement. Collect data through AMT and perform initial analyses to derive meaningful insights from crowdsourced data. Understand the implications of AMT addiction and ethical considerations in platform-based research. This module equips you with practical skills to conduct reliable and insightful crowdsourcing studies using AMT.
  • Crowdsourcing and Machine Learning
    • This module explores the intersection of crowdsourcing and ML performance enhancement. Evaluate how Inter-Annotator Agreement (IAA) affects ML model reliability and accuracy. Explore case studies such as COVID test kit distribution and organ transplant matching to understand real-world applications. Learn to optimize ML performance through effective crowdsourcing design, ensuring data quality and reliability in machine learning applications.

Taught by

Ian McCulloh

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