Spectra classification of SEGUE stellar spectra
I have been using the algorithm k-means (clustering) to classify astrophysical spectra. This paper shows its application to a large number of stellar spectra.
Nacho Ordovas has just defended his master thesis, with an improvement on the standard k_means (July 23, 2013)
This is nacho during the defense
An this is the link to the A&A RN descring the work