Research on Classification and Representation of Residential Change for the Automatic Retrieval Incremental Information
Huaji Zhu · Journal of Hunan University of Science & Technology · 2006
Residential data is a kind of important topographic data and continually change. In order to keep the data up-to-date, data producers need update the data frequently. When the residential data are updated,the incremental information must be dispensed to the end-users to keep their client-databases current. Incremental information refers to the changed information of residential entity. In the real world, residential entity changes in many forms. Identifying the change type of residential entity (i.e. captures the semantics of change) and representing them in the data world can help end-users understand the change commonly and be convenient for end-users to integrate these change information into their databases. A classification and qualitative representation of change was focused on. A classification of change was offered based on multi-factors and these change type was represent and related incremental information with IF-THEN expressions. 3refs.,1tab.,6refs.