Learning Robust Web Wrappers

  title={Learning Robust Web Wrappers},
  author={Bettina Fazzinga and Sergio Flesca and Andrea Tagarelli},
A main challenge in wrapping web data is to make wrappers robust w.r.t. variations in HTML sources, reducing human effort as much as possible. In this paper we develop a new approach to speed up the specification of robust wrappers, allowing the wrapper designer to not care about detailed definition of extraction rules. The key-idea is to enable a schema-based wrapping system to automatically generalize an original wrapper w.r.t. a set of example HTML documents. To accomplish this objective, we… CONTINUE READING

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