Data Generalization

information Generalization And thought translation ask forgeing The retrieval of info from informationbases, and the communication channel of sum functions ( such as summation, counting, etc.) to the information represent an grievous functionality of selective informationbase systems. However, dubiousness functioning is non info dig. Query processing: Retrieves lays of entropy from databases and can compute aggregate functions on the retrieved data. Data exploit: analyzes the data and discovers interesting patterns underground in the database. What is concept comment? A concept ordinarily refers to a collection of data such as stereos, browse buyers, graduate students, and so on. As a data mining task, concept description is not a simple run of the data. Instead, it generates descriptions for characterization and comparison of the data. supposition description is sometimes called soma description when the concept to be described refers to a association of objects. Characterization provides a heavyset and brief summarization of the accustomed collection of data. Concept or class comparison (also cognize as discrimination) provides descriptions comparing 2 or more collections of data. What is Data generalization?

Is a process which abstracts a large set of task-relevant data in a database from a relatively depression conceptual level to spunky conceptual levels. Concept description has close ties with data generalization. addicted the large amount of data stored in databases, it is useful to be able to describe concepts in brief terms at extrapolate (rather than low) levels of stimulus generalisation. each(prenominal)owing data sets to be generalized at two-fold levels of abstraction facilitates users in examining the general sort of the data. EXAMPLE: effrontery the All Electronics database, for example, instead of examining individual node transactions, sales managers may prefer to view the data generalized to higher levels, such as summarized by customer groups...If you necessity to get a unspoilt essay, order it on our website: Orderessay

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