Method for mapping a data source to a data target
First Claim
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1. A method for mapping data from a database source to a data target, comprising:
- defining at least one reference column of the data target;
performing a comparison of data contained in at least one data column in the database source and data contained in said at least one reference column;
determining mapping candidates between said at least one data column and said at least one reference column based on said comparison of data; and
performing a comparison of statistical properties of said at least one data column and said at least one reference column,wherein the statistical properties include relative frequency of the characters in the at least one data column and the at least one reference column with respect to each other.
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Abstract
The invention relates to a method for mapping at least one data column from a database source to at least one data column of a data target, the method comprising: defining at least one reference column of the data target and at least one database source column; performing a comparison of data contained in the data column(s) with the reference column(s); and determining mapping candidates between the data column(s) and the reference column(s).
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Citations
20 Claims
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1. A method for mapping data from a database source to a data target, comprising:
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defining at least one reference column of the data target; performing a comparison of data contained in at least one data column in the database source and data contained in said at least one reference column; determining mapping candidates between said at least one data column and said at least one reference column based on said comparison of data; and performing a comparison of statistical properties of said at least one data column and said at least one reference column, wherein the statistical properties include relative frequency of the characters in the at least one data column and the at least one reference column with respect to each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A program product comprising a physical computer useable storage medium including a computer readable program, which executed on a computer causes the computer to:
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perform a comparison of data contained in at least one data column of a database source stored on the physical computer usable storage medium with data in at least one reference column in a data target; and determine mapping candidates between said at least one data column and said at least one reference column based on said comparison of data; and annotate data in said at least one data column using statistical properties obtained from said at least one data column and said at least one reference column, wherein the statistical properties include relative frequency of the characters in the at least one data column and the at least one reference column with respect to each other. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification