View mechanism for data security, privacy and utilization
First Claim
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1. A computer-implemented method of controlling access to data in a database, comprising:
- registering a plurality of transformation techniques for a particular column of a table in said database;
wherein at least two transformation techniques of said plurality of transformation techniques perform different transformations on actual values of said particular column;
after registering the plurality of transformation techniques, receiving a plurality of queries, each query of said plurality of queries being associated with a respective query context and referencing said particular column;
computing each query of said plurality of queries, wherein computing each query of said plurality of queries comprises;
based on the respective query context of said each query, selecting a transformation technique from the plurality of transformation techniques registered for said particular column; and
applying the selected transformation technique to the actual values in said particular column to generate transformed values to use for computing the query in lieu of the actual values in said particular column.
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Abstract
A machine-implemented method and machine-readable media for transforming sensitive data in a database is provided. Sensitive data in the database are transformed based on a query context of a query. The query may also be transformed. The transformed query may be applied against the transformed sensitive data to construct a query result. The query result with the transformed sensitive data represents a lenticular view. The lenticular view represents a modified form of the sensitive data that an end-user is allowed access to.
65 Citations
14 Claims
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1. A computer-implemented method of controlling access to data in a database, comprising:
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registering a plurality of transformation techniques for a particular column of a table in said database; wherein at least two transformation techniques of said plurality of transformation techniques perform different transformations on actual values of said particular column; after registering the plurality of transformation techniques, receiving a plurality of queries, each query of said plurality of queries being associated with a respective query context and referencing said particular column; computing each query of said plurality of queries, wherein computing each query of said plurality of queries comprises; based on the respective query context of said each query, selecting a transformation technique from the plurality of transformation techniques registered for said particular column; and applying the selected transformation technique to the actual values in said particular column to generate transformed values to use for computing the query in lieu of the actual values in said particular column. - View Dependent Claims (2, 3, 4, 5, 6, 7, 14)
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8. A non-transitory medium storing one or more sequences of instructions which, when executed by one or more processors, causes the one or more processors to perform:
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registering a plurality of transformation techniques for a particular column of a table in said database; wherein at least two transformation techniques of said plurality of transformation techniques perform different transformations on actual values of said particular column; after registering the plurality of transformation techniques, receiving a plurality of queries, each query of said plurality of queries being associated with a respective query context and referencing said particular column; computing each query of said plurality of queries, wherein computing each query of said plurality of queries comprises; based on the respective query context of said each query, selecting a transformation technique from the plurality of transformation techniques registered for said particular column; and applying the selected transformation technique to the actual values in said particular column to generate transformed values to use for computing the query in lieu of the actual values in said particular column. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification