The Many Facets of Big Data


July 19, 2011


Alex Szalay and Pat Helland


Microsoft, John Hopkins


Roger Barga chairs this session at Faculty Summit 2011, which includes the following presentations.

  • Cosmos: a Petabyte-Scale Store and Computation Platform—Pat Helland, Microsoft
  • The Many Facets of Big Data, a Closer Look—Balan Sethu Raman, Microsoft
  • Scientific Data Analysis Today: From Terabytes to Petabytes—Alex Szalay, Johns Hopkins University


Alex Szalay and Pat Helland

Pat Helland is an architect working on the SQL Service Broker. He has been at Microsoft for 7 years and was a founding member of the team that built the Microsoft Transaction Server (now called COM+). Prior to Microsoft, Pat worked at Tandem Computers on a scalable and fault tolerant transaction processing product. He has worked for more than 20 years on transaction processing and application execution systems.

Alexander Szalay is the Alumni Centennial Professor of Astronomy at the Johns Hopkins University. He is also Professor in the Department of Computer Science. He is a cosmologist, working on the statistical measures of the spatial distribution of galaxies and galaxy formation. He was born and educated in Hungary. He is the architect for the Science Archive of the Sloan Digital Sky Survey. He is Project Director of the NSF-funded National Virtual Observatory. He has written over 450 papers in various scientific journals, covering areas from theoretical cosmology to observational astronomy, spatial statistics and computer science. In 1990 he has been elected to the Hungarian Academy of Sciences as a Corresponding Member, and in 2003 as a Fellow of the American Academy of Arts and Sciences.