Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

Database of NIH grants using machine-learned categories and graphical clustering

This is a preview of subscription content, access via your institution

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Figure 1: Graphically clustered NIH grants, as rendered from a screenshot of the NIHMaps user interface.


We acknowledge assistance and support from G. LaRowe and N. Skiba at ChalkLabs, and input and feedback from NIH staff during the project. We thank S. Silberberg, C. Cronin, K. Boyack and K. Borner for helpful advice and comments on the manuscript. This project has been supported through small contracts from the NIH to University of Southern California (271200900426P and 271200900244P), University of Massachusetts (271201000758P, 271200900640P, 271201000704P and 271200900639P), ChalkLabs LLC (271200900695P and 271201000701P) and TopicSeek LLC (271201000620P and 271200900637P).

Author information

Authors and Affiliations


Corresponding author

Correspondence to Edmund M Talley.

Ethics declarations

Competing interests

B.W.H. II is employed by Chalklabs, LLC, which was contracted for a portion of the work described in the report. D.N. is owner of TopicSeek, LLC, which was also contracted for a portion of the described work.

Supplementary information

Supplementary Text and Figures

Supplementary Figure 1, Supplementary Data, Supplementary Methods (PDF 1409 kb)

Supplementary Table 1

Categories of machine-learned topics and their potential NIH institute representations for grants from funding year 2009. (PDF 2133 kb)

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Talley, E., Newman, D., Mimno, D. et al. Database of NIH grants using machine-learned categories and graphical clustering. Nat Methods 8, 443–444 (2011).

Download citation

  • Published:

  • Issue Date:

  • DOI:

This article is cited by


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing