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Data Mining uses program logic to access information derived from
data extracted periodically from operational databases. These databases
are commonly known as data warehouses, or data marts. There are
often many data marts in a data warehouse, each holding a defined
functional set of data.
Data Marts provide a subject-oriented focus to specific data on
customers, markets, products or other areas of interest over time.
This data is typically transformed, aggregated and summarized for
access by a variety of software tools, including:
- Executive Information Systems (EIS)
- Decision Support Systems (DSS)
- Online Analytical Processing
- Data Mining
- Decision Early Warning (DEW)
The metadata defined by CASE tools is used to build these Data
Warehouses and Data Marts. With such complex data relationships,
it is often difficult to represent true relativity between data
sets to provide useful information to managers.
This problem is solved by using VRML data maps. These provide
an interface to EIS, DSS, OLAP,
DEW and Data Mining software tools.
Developing A VR Data Interface
The following is a high level summary of how one would approach
the development of a VR interface to business data.
- Business subject experts from each function defined business
- A 3D data map is built to support the information needs of these
- A Data Warehouse is developed containing Data Marts for each
- Operational data is then extracted, aggregated and loaded into
- The 3D data map is specified by the CASE tool to be used as
a Warehouse interface – additional to those provided already
by EIS, DSS, OLAP, DEW and Data Mining software tools.
- A "Warehouse" button is then added to the 3D data
The outcome of the above development is that business managers
can navigate through the data map, selecting cubes that contain
target information of interest, such as Market.
- By clicking on "Dimension" button – selecting
Market Type, Product Type, Region and Period.
- By clicking on the relevant faces of the cubes, particular ranges
of interest for those dimensions can be defined for selected attributes.
- The selected dimensional ranges are immediately used to extract
the relevant Market information.
- One click on a "Graph" icon, and the results are presented
in a graphical format.
- After selecting information of interest, the EIS, DSS, OLAP,
DEW and Data Mining software tools are used to analyze the Market
Using 3D data maps as an interface into Data
Warehouses and Data Marts is a logical next step for CASE tool
A Data Warehouse
Next: Using 4D VR
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