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A dynamic data with amendments model is proposed here on the basis of the base state with amendments model. Combined with the double-database strategy which stores history data and current data respectively, the new model further becomes the double-database strategy dynamic data with amendments model. Employing this model to store and manage temporal data can effectively reduce the data redundancy...
In order to realize the modernization of mine enterprises, enforcing “Digital Mine” construction is necessary. And the key of enforcing “Digital Mine” construction is to solve the effective storage and management of mine spatial data. The paper firstly shows the characteristic features of mine spatial data. Then it discusses the method of the storage and management of mine spatial data on the basis...
With the full use of the information technology and Web technology, most of various mining information used in the past is relational data. It is quite difficult about how to define various Data in different kinds of data sources with uniform XML standard. The method of data conversion between XML data and relational data has been supplied, which make it possible exchanging hetero-structure data with...
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