Research on Precision Marketing of Real Estate Market Based on Data Mining

Table 10

Definition of interface.

External interface	(1) User interface: it adopts windowing and menu design, and responds to hot keys during operation.
	(2) Hardware interface: printer
	(3) Software interface: connection to SQL server database through ADO.NET
Internal interface	By defining various classes and methods, the call and data communication with each functional module can be realized;