Please enable JavaScript.
Coggle requires JavaScript to display documents.
Knowledge Discovery (Process (Data Cleaning (In this step, the noise and…
Knowledge Discovery
Process
Data Cleaning
In this step, the noise and inconsistent data is removed
-
-
Data Transformation
data is transformed or consolidated into forms appropriate for mining by performing summary or aggregation operations
-
-
-
Evolution of KD systems
first-generation systems
Provided only one data mining technique, such as a decision tree
algorithm or a clustering algorithm
-
third-generation systems
These systems addressed specific business problems, such as fraud detection, and provided an interface designed to hide the internal complexity of data mining methods.
-
-
Definition
This is a process that seeks new knowledge about an application domain. It consists of many steps, one of which is data mining (DM), each aiming to complete a particular discovery task, and accomplished by the application of a discovery method