Detecting data and schema changes in scientific documents

  title={Detecting data and schema changes in scientific documents},
  author={N. Adam and Igg Adiwijaya and T. Critchlow and R. Musick},
  journal={Proceedings IEEE Advances in Digital Libraries 2000},
Data stored in a data warehouse must be kept consistent and up-to-date with respect to the underlying information sources. By providing the capability to identify, categorize and detect changes in these sources, only the modified data needs to be transferred and entered into the warehouse. Another alternative, periodically reloading from scratch, is obviously inefficient. When the schema of an information source changes, all components that interact with, or make use of data originating from… Expand
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