Approximate Matching of Hierarchical Data Using pq-Grams

  title={Approximate Matching of Hierarchical Data Using pq-Grams},
  author={Nikolaus Augsten and Michael H. B{\"o}hlen and Johann Gamper},
When integrating data from autonomous sources, exact matches of data items that represent the same real world object often fail due to a lack of common keys. Yet in many cases structural information is available and can be used to match such data. As a running example we use residential address information. Addresses are hierarchical structures and are present in many databases. Often they are the best, if not only, relationship between autonomous data sources. Typically the matching has to be… CONTINUE READING
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