His research focuses on information retrieval, particularly in emerging domains such as social media and massive repositories of digitized books. He is currently working on information filtering problems, with special emphasis on applying unsupervised and semi-supervised statistical learning to filtering-related tasks. Miles received his Ph.D. from the University of North Carolina in 2003. He held a post-doc at UNC for a year following his doctoral work. He received an MSIS from the School of Information and Library Science at UNC in 2000 and a BA from Occidental College (summa cum laude) in 1994.