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Similarity and ranking of databases based on database metadata

  • US 10,303,793 B2
  • Filed: 11/12/2014
  • Issued: 05/28/2019
  • Est. Priority Date: 03/19/2014
  • Status: Active Grant
First Claim
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1. A method for determining similarity of databases, the method comprising:

  • (a) one or more processors selecting a first database and a second database from a plurality of databases that includes one or more additional databases;

    (b) one or more processors identifying one or more terms found in the first database and found in the second database of the plurality of databases as one or more common terms, wherein each term of the one or more terms is comprised of metadata of a structure of a database of the plurality of databases that defines the objects in the database;

    (c) one or more processors determining for a common term of the one or more common terms, a quantity of databases of the plurality of databases in which the common term is found, wherein the quantity of databases in which the common term of the one or more common terms is found constitutes a group, and wherein a range of groups includes each quantity of databases, from a group of two databases to a group of a quantity of databases equal to the plurality of databases; and

    (d) one or more processors determining a similarity score between the first database and the second database of the plurality of databases based on a tuple formed from the quantity of the one or more common terms found in each group of the range of groups.

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