Assurance of data integrity in petabyte data samples

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We present a method for clustering data from high energy physics exper- iments on physical media. Data clustering based upon physics information can lead to large gains in access speed. However such clustering also increases vulnerability to data loss as any loss of a physical data store removes a data sample which has special physics characteristics. Measurements made with samples biased by losses of clustered data must be corrected for the e#11;ects of the loss. We discuss several methods for performing such corrections.

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Schellman, Heidi December 1, 1998.

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Description

We present a method for clustering data from high energy physics exper- iments on physical media. Data clustering based upon physics information can lead to large gains in access speed. However such clustering also increases vulnerability to data loss as any loss of a physical data store removes a data sample which has special physics characteristics. Measurements made with samples biased by losses of clustered data must be corrected for the e#11;ects of the loss. We discuss several methods for performing such corrections.

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  • Computing in High Energy Physics (CHEP98), Chicago, August 31-September 4, 1998

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  • Other: DE00002474
  • Report No.: FERMILAB-Conf-98/335-E
  • Grant Number: NONE
  • Office of Scientific & Technical Information Report Number: 2474
  • Archival Resource Key: ark:/67531/metadc665124

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Office of Scientific & Technical Information Technical Reports

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  • December 1, 1998

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • April 18, 2016, 3:21 p.m.

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Schellman, Heidi. Assurance of data integrity in petabyte data samples, article, December 1, 1998; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc665124/: accessed July 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.