About the Authors

Jim C. Huang

Affiliation Microsoft Research, Redmond, Washington, United States of America

Christopher Meek

Affiliation Microsoft Research, Redmond, Washington, United States of America

Carl Kadie

Affiliation Microsoft Research, Redmond, Washington, United States of America

David Heckerman

heckerma@microsoft.com

Affiliation Microsoft Research, Redmond, Washington, United States of America

Competing Interests

The authors are affiliated with Microsoft Corporation. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JH CM DH. Performed the experiments: JH. Analyzed the data: JH. Wrote the paper: JH CM DH. Contributed source code and computational analysis tools: CK.