no code implementations • 13 May 2019 • Amanda E. Bauer, Eric C. Bellm, Adam S. Bolton, Surajit Chaudhuri, A. J. Connolly, Kelle L. Cruz, Vandana Desai, Alex Drlica-Wagner, Frossie Economou, Niall Gaffney, J. Kavelaars, J. Kinney, Ting S. Li, B. Lundgren, R. Margutti, G. Narayan, B. Nord, Dara J. Norman, W. O'Mullane, S. Padhi, J. E. G. Peek, C. Schafer, Megan E. Schwamb, Arfon M. Smith, Erik J. Tollerud, Anne-Marie Weijmans, Alexander S. Szalay
A Kavli foundation sponsored workshop on the theme \emph{Petabytes to Science} was held 12$^{th}$ to 14$^{th}$ of February 2019 in Las Vegas.
Instrumentation and Methods for Astrophysics
1 code implementation • 4 Nov 2016 • Róbert Beck, László Dobos, Tamás Budavári, Alexander S. Szalay, István Csabai
Also, the efficient handling of variable filter sets is a necessity for heterogeneous databases, for example the Hubble Source Catalog, and for cross-match services such as SkyQuery.
Astrophysics of Galaxies Instrumentation and Methods for Astrophysics Databases
1 code implementation • 2 Oct 2014 • Dániel Kondor, László Dobos, István Csabai, András Bodor, Gábor Vattay, Tamás Budavári, Alexander S. Szalay
We present a case study about the spatial indexing and regional classification of billions of geographic coordinates from geo-tagged social network data using Hierarchical Triangular Mesh (HTM) implemented for Microsoft SQL Server.
Databases
1 code implementation • 11 Jan 2012 • Bridget L. Falck, Mark C. Neyrinck, Alexander S. Szalay
We present the ORIGAMI method of identifying structures, particularly halos, in cosmological N-body simulations.
Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies
1 code implementation • 26 Jan 2007 • Alexander S. Szalay, Jim Gray, George Fekete, Peter Z. Kunszt, Peter Kukol, Ani Thakar
We describe a method to subdivide the surface of a sphere into spherical triangles of similar, but not identical, shapes and sizes.
Databases Data Structures and Algorithms