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Systems, methods, and computer program products are provided for creating and using a common, generic, data/object model to represent information grids or lookup tables, such as a mortgage asset pricing information grid, mortgage asset re-pricing grid, and credit risk pricing grid. The common model

Systems, methods, and computer program products are provided for creating and using a common, generic, data/object model to represent information grids or lookup tables, such as a mortgage asset pricing information grid, mortgage asset re-pricing grid, and credit risk pricing grid. The common model allows a common software representation for logically different attributes.

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1. A non-transitory computer-readable recording medium storing computer-executable program instructions which, when executed by a processor, perform a method for representing one or more information grids having a plurality of cells, each cell having a value and a location in the information grid, c

1. A non-transitory computer-readable recording medium storing computer-executable program instructions which, when executed by a processor, perform a method for representing one or more information grids having a plurality of cells, each cell having a value and a location in the information grid, comprising the steps implemented by a computer of: receiving pricing data from a plurality of grids including attributes that define pricing components;creating the one or more information grids comprising a plurality of cells, whereineach cell contains a value representing data from the plurality of grids;creating a tree node structure that includes a plurality of tree nodes that represent each of the values;storing the value of a cell in each of the tree nodes;creating a data model that represents each tree node;storing, in the data model, a grid definition identifying the information grid, a grid node storing the value of the cell and containing a reference to a parent node, and a grid schema specifying a location of the grid node in the tree structure;creating a metadata component, associated with the tree node, that holds a description of the location of the cell within the information grid;storing, in the metadata component, information describing the location of the cell within the information grid;storing the metadata component in the data model;accessing the tree node according to the location of the cell in the information grid; anddisplaying the value stored in the accessed tree node. 2. The method of claim 1, wherein the metadata component holds information identifying a specific tree, a level of the tree node within the specific tree, a node type describing the tree node, and a data type describing the data of the tree nodes. 3. The method of claim 2, wherein the specific tree corresponds to a pricing component of a mortgage asset, the node type corresponds to a type of attribute of the mortgage asset, and the value corresponds to an attribute value for the mortgage asset. 4. The method of claim 1, wherein displaying further comprises: formatting information from the accessed data structure into a table; anddisplaying the table to the user. 5. The method of claim 1, wherein the values expire at predetermined times. 6. The method of claim 1, wherein the values expire at different times. 7. The method of claim 1, wherein each of the information grids contain different attributes that define their pricing components. 8. The method of claim 1, wherein each of the information grids has more than one version. 9. The method of claim 1, wherein the one or more information grids are grids for pricing mortgage assets. 10. The method of claim 1, wherein the one or more information grids are grids for re-pricing currently owned mortgage assets. 11. The method of claim 1, wherein the one or more information grids are grids for pricing a credit risk.