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Articles : The Java Data Mining API :

The Java Data Mining API

by Benoy Jose

Introduction:

Data Mining is a very important process used by most companies today. It includes sifting through tons of business data for potential leads, sales analysis, audit, data warehousing, business intelligence and many other functions. Most companies have a variety of data sources like mainframe, databases, and files etc. , where data is stored. Grouping and analyzing data from disparate data sources now becomes a big problem. Most of these individual data source providers have some API through which data analysis can be done on the data in the database. Imagine the plight of a companies that have data in different data sources like Oracle, mainframe etc. and have to do analysis of their own data. They would have to do individual analysis of the data in each database and then consolidate the results. This is where the JDM fits in. The Java Data Mining API (JDM) proposes a pure Java API for developing data mining applications. The idea is to have a common API for data mining that can be used by clients without users being aware or affected by the actual vendor implementations for data mining.

Architecture:

The JDM architecture consists of three logical components, the API, the data mining Engine (DME), and the metadata repository (MR). The API is the exposed programming interface that provides access to the services provided by the DME. The API shields the data mining user from the actual implementation in the DME and any associated sub components used by the DME. The DME is the engine that provides services that can be used by users through the API defined above. The DME can be implemented as a server in which case it is called a Data Mining Server. The third component is the metadata repository (MR) which is used to persist data mining objects. These persisted data mining objects are again used by the DME for data mining operations. The metadata repository can exist as a flat file system or can be a relational database. The three logical components can be grouped into one physical system or they can exist independently as separate components. Apart from these JDM implementers can add additional components and tools to enhance the vendor implementation of the JDM. But these additional components are not defined in the JDM specification.

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