![]() ![]() ![]() If the wrapper failed to work with the new page, a new wrapper/schema would be regenerated by calling an unsupervised wrapper induction system. ![]() A wrapper verifier would check whether a new page from a site complies with the detected schema, and so the extractor will use the wrapper to get instances of the schema types. Although, few researches have focused on the more challenging jobs: wrapper verification or extractor generation.
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