The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 23, 2010
Filed:
Oct. 14, 2004
Norman H. Margolus, Cambridge, MA (US);
Thomas F. Knight, Jr., Belmont, MA (US);
Jered J. Floyd, Somerville, MA (US);
George E. Homsy, Ii, San Francisco, CA (US);
Norman H. Margolus, Cambridge, MA (US);
Thomas F. Knight, Jr., Belmont, MA (US);
Jered J. Floyd, Somerville, MA (US);
George E. Homsy, II, San Francisco, CA (US);
Permabit Technology Corporation, Cambridge, MA (US);
Abstract
A method for turning variable-length file path names into fixed-length object identifiers in a data repository, the method comprising, assigning a fixed-value identifier to a file system in the data repository, computing a first deterministic pseudo-random function that combines a first component of a plurality of file system pathname components associated with a file with the fixed-value identifier, computing a second deterministic pseudo-random function that combines a second component of the plurality of file system pathname components with the result of the first function, and using at least one of the computed deterministic pseudo-random functions to produce a fixed-length object identifier for the file.
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