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Full Description
In machine learning applications, practitioners must take into account the cost associated with the algorithm. These costs include:
Cost of acquiring training data
Cost of data annotation/labeling and cleaning
Computational cost for model fitting, validation, and testing
Cost of collecting features/attributes for test data
Cost of user feedback collection
Cost of incorrect prediction/classification
Cost-Sensitive Machine Learning is one of the first books to provide an overview of the current research efforts and problems in this area. It discusses real-world applications that incorporate the cost of learning into the modeling process.
The first part of the book presents the theoretical underpinnings of cost-sensitive machine learning. It describes well-established machine learning approaches for reducing data acquisition costs during training as well as approaches for reducing costs when systems must make predictions for new samples. The second part covers real-world applications that effectively trade off different types of costs. These applications not only use traditional machine learning approaches, but they also incorporate cutting-edge research that advances beyond the constraining assumptions by analyzing the application needs from first principles.
Spurring further research on several open problems, this volume highlights the often implicit assumptions in machine learning techniques that were not fully understood in the past. The book also illustrates the commercial importance of cost-sensitive machine learning through its coverage of the rapid application developments made by leading companies and academic research labs.
Contents
THEORECTICAL UNDERPINNINGS OF COST-SENSTIVE MACHINE LEARNING: Algorithms for Active Learning. Semi-Supervised Learning: Some Recent Advances. Transfer Learning, Multi-Task Learning, and Cost-Sensitive Learning. Cost-Sensitive Cascades. Selective Data Acquisition for Machine Learning. COST-SENSITIVE MACHINE LEARNING APPLICATIONS: Minimizing Annotation Costs in Visual Category Learning. Reliability and Redundancy: Reducing Error Cost in Medical Imaging. Cost-Sensitive Learning in Computational Advertising. Cost-Sensitive Machine Learning for Information Retrieval. Index.
