MAVE: Multilevel wrApper Verification systEm

  title={MAVE: Multilevel wrApper Verification systEm},
  author={I{\~n}aki Fern{\'a}ndez de Viana and Pedro J. Abad and Jos{\'e} Luis {\'A}lvarez and Jos{\'e} Luis Arjona},
  journal={IEEE Transactions on Knowledge and Data Engineering},
Wrappers are pieces of software used to extract data from websites and structure them for further application processing. Unfortunately, websites are continuously evolving and structural changes happen with no forewarning, which usually results in wrappers working incorrectly. Thus, wrappers maintenance is necessary for detecting whether wrapper is extracting erroneous data. The solution consists of using verification models to detect whether wrapper output is statistically similar to the… CONTINUE READING


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