table making
1.The reduction attribute of decision tablewith above theory and method is given and the hidden knowledge is mined in theexample of urban spatial dada decision-making table, and the minimaldecision-making regulations are consequently got.
10.Abstract: In order to make an solution to modeling the image database system,this paper proposes an image data model IDM,which decomposes the image object into the primary table of stable attributes and assistant tables of variable attributes and are temporarily organized to access the image data when making query and inference.It can model with unified mode each scheme of the image database system structure.

