Data Warehouse Model Based on Topic Map
Lixin Xia · Information Sciences · 2008
In view of the problems of the existent Data Warehouse Model and basing on analyzing and researching the technology of topic map,this paper proposes a new model of Date Warehouse based on the technology of topic map.This model creates schemas of DW and DMart through the automatic gen-eration and merger of topic maps.Then under the direction of these schemas it fulfils the process of ETL,to realize the semantic integration of DW and DMart.