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Hybrid database architecture for both maintaining and relaxing type 2 data entity behavior

  • US 7,822,587 B1
  • Filed: 10/03/2005
  • Issued: 10/26/2010
  • Est. Priority Date: 10/03/2005
  • Status: Expired due to Fees
First Claim
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1. A method for simulating a group, comprising:

  • providing a data storage medium having a predetermined group database entity type wherein each instance of the group database entity type includes;

    (a-1) an identification storage area for identifying a corresponding group of items, and(a-2) a group type storage area for identifying the corresponding group as one of;

    (i) an actual group of one or more items, and(ii) a simulated group of one or more items;

    wherein the predetermined group database entity type defines a substantially entire data organization for each instance of the group database entity type within a data repository;

    providing access to at least a first instance of the predetermined group database entity type using a value in the identification storage area of the first instance, wherein a value for the group type storage area identifies the first instance as corresponding to an actual group (G1) of one or more items;

    wherein for evaluating a performance of the first instance, item performance data (ED1) associated with the items of the actual group G1 is accessed according to Type 2 constraints for accessing ED1, wherein the item performance data ED1 is substantially for a time period no earlier than a creation of the actual group G1;

    creating a second instance of the predetermined group database entity type on the data storage medium, wherein the second instance corresponds to a simulated group (G2) of one or more items;

    wherein the step of creating includes storing a predetermined time value for determining, for the items of G2, an earliest date of creation for item performance data that is desired for simulating an evaluation of G2, wherein the predetermined time value is substantially prior to the creation of G2;

    second evaluating a performance of the simulated group G2, wherein item performance data (ED2) associated with the items of the simulated group G2 is accessed for performing the second evaluation;

    wherein the accessing of the item performance data ED2 is determined using the predetermined time value;

    wherein the predetermined group database entity type provides a common data structure for accessing substantially all data for each of the first and second instances and wherein a supervisor of the actual group G1 is enabled to create the simulated group G2 and wherein the simulated group G2 created by the supervisor comprises an agent not in the actual group G1.

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