Change Detection in Hierarchically Structured Information

  title={Change Detection in Hierarchically Structured Information},
  author={Sudarshan S. Chawathe and Anand Rajaraman and Hector Garcia-Molina and Jennifer Widom},
  booktitle={SIGMOD Conference},
Detecting and representing changes to data is important for active databases, data warehousing, view maintenance, and version and configuration management. Most previous work in change management has dealt with flat-file and relational data; we focus on hierarchically structured data. Since in many cases changes must be computed from old and new versions of the data, we define the hierarchical change detection problem as the problem of finding a "minimum-cost edit script" that transforms one… CONTINUE READING
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