A new bus accessibility measurement is suggested,which uses bus operating speed and bus passenger demand to describe temporal and spatial accessibility,respectively.

Based on the dispatching operation system of Liaoyang Electric Power Supply Company, a regional power network dispatching DSS is developed, which is on the basis of the data warehouse, OLAP and data mining.

This article elaborates emphatically the view of data traffic depth operation guiding by the user s needs,through introducing the market segmentation and the target market choice,based on which it gives the qualitative analysis.