Ryan N. Riegel

A Parallel N-Body Data Mining Framework (2008)

Garrett F. Boyer, Ryan N. Riegel, Er G. Gray

The N-body or multi-tree approach for accelerating data mining methods has spurred some of the fastest known solutions for a significant class of fundamental methods. We present a standard...

Efficient Photometric Selection of Quasars from the Sloan Digital Sky Survey: II. ~1,000,000 Quasars from Data Release Six (2008)

Richards, Gordon T., Myers, Adam D., Gray, Alexander G., Riegel, Ryan N., Nichol, Robert C., Brunner, Robert J., ...

We present a catalog of 1,172,157 quasar candidates selected from the photometric imaging data of the Sloan Digital Sky Survey (SDSS). The objects are all point sources to a limiting magnitude of...