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Acknowledgments

This book has a roundabout history, and there are a lot of people to thank along the way. It grew out of an informal literature survey I wrote on active learning (Settles, 2009) which in turn began as a chapter in my PhD thesis. During that phase of my career I am indebted to my committee, Mark Craven, Jude Shavlik, Xiaojin “Jerry” Zhu, David Page, and Lewis Friedland, who encouraged me to expand on my review and make it publicly available. There has been a lot of work in active learning over the past two decades, from simple heuristics to complex and crazy ideas coming from a variety of subfields in AI and statistics. The survey was my attempt to curate, organize, and make sense of it for myself; to help me understand how my work fit into the overall landscape.

Thanks to John Langford, who mentioned the survey on his popular machine learning blog¹. As a result, many other people found it and found it helpful as well. Several people encouraged me to write this book. To that end, Jude Shavlik and Edith Law (independently) introduced me to Michael Morgan. Thanks to Michael, William Cohen, Tom Dietterich, and others at Morgan & Claypool for doing their best to keep things on schedule, and for patiently encouraging me through the process of expanding what was a literature review into more of a tutorial or textbook. Thanks also to Tom Mitchell for his support and helpful advice on how to organize and write a book.

Special thanks to Steve Hanneke and Sanjoy Dasgupta for the detailed feedback on both the original survey and the expanded manuscript. Chapter 6 is particularly indebted to their comments as well as their research. I also found Dasgupta’s review of active learning from a theoretical perspective (Dasgupta, 2010) quite helpful. The insights and organization of ideas presented here are not wholly my own, but draw on conversations I have had with numerous people. In addition to the names mentioned above, I would like to thank Josh Attenberg, Jason Baldridge, Carla Brodley, Aron Culotta, Pinar Donmez, Miroslav Dudík, Gregory Druck, Jacob Eisenstein, Russ Greiner, Carlos Guestrin, Robbie Haertel, Ashish Kapoor, Percy Liang, Andrew McCallum, Prem Melville, Clare Monteleoni, Ray Mooney, Foster Provost, Soumya Ray, Eric Ringger, Teddy Seidenfeld, Kevin Small, Partha Talukdar, Katrin Tomanek, Byron Wallace, and other colleagues for turning me on to papers, ideas, and perspectives that I might have otherwise overlooked. I am sure there are other names I have forgotten to list here, but know that I appreciate all the ongoing discussions on active learning (and machine learning in general), both online and in person. Thanks also to Daniel Hsu, Eric Baum, Nicholas Roy, and their coauthors (some listed above) for kindly allowing me to reuse figures from their publications.

I would like to thank my parents for getting me started, and my wife Natalie for keeping me going. She remained amazingly supportive during my long hours of writing (and re-writing). Whenever I was stumped or frustrated, she was quick to offer a fresh perspective: “Look at you, you’re writing a book!” Lo and behold, I have written a book. I hope you enjoy the book.

While writing this book, I was supported by the Defense Advanced Research Projects Agency (under contracts FA8750-08-1-0009 and AF8750-09-C-0179), the National Science Foundation (under grant IIS-0968487), and Google. The text also includes material written while I was supported by a grant from National Human Genome Research Institute (HGRI). Any opinions, findings and conclusions, or recommendations expressed in this material are mine and do not necessarily reflect those of the sponsors.

Burr Settles May

2012

¹ http://hunch.net