ner_tags: O O O O O O O O O O O O B-Person O B-Person O O B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization O B-Location O O O O B-Citation I-Citation I-Citation I-Citation O O O B-Dataset I-Dataset I-Dataset I-Dataset O B-Citation I-Citation I-Citation I-Citation O O O O O B-Dataset I-Dataset I-Dataset I-Dataset O O B-Organization O O O O O O B-Dataset I-Dataset O O O O O O O O O O O O O O O B-Survey O O O O O B-Organization I-Organization I-Organization I-Organization O O O O B-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization I-Organization I-Organization O B-Organization I-Organization O B-Organization I-Organization I-Organization O O B-Organization I-Organization I-Organization I-Organization O B-Location O B-Survey O O B-URL O
tokens: We thank the anonymous referee for their various helpful comments and suggestions. IDR and LCP thank the National Science and Engineering Research Council of Canada for funding. We thank X. Yang et al. for making their SDSS DR7 group catalogue public, L. Simard et al. for the publication of their SDSS DR7 morphology catalogue, and the NYU-VAGC team for the publication of their SDSS DR7 catalogue. This research would not have been possible without these public catalogues. Funding for the SDSS has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, the US Department of Energy, the National Aeronautics and Space Administration, the Japanese Monbukagakusho, the Max Planck Society, and the Higher Education Funding Council for England. The SDSS website is http://www.sdss.org/ .