?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Automatic+Wrapper+Adaptation+by+Tree+Edit+Distance+Matching&rft.creator=Ferrara%2C+Emilio&rft.creator=Baumgartner%2C+Robert&rft.subject=Artificial+Intelligence&rft.description=Information+distributed+through+the+Web+keeps+growing+faster+day+by+day%2C%0D%0Aand+for+this+reason%2C+several+techniques+for+extracting+Web+data+have+been+suggested%0D%0Aduring+last+years.+Often%2C+extraction+tasks+are+performed+through+so+called+wrappers%2C%0D%0Aprocedures+extracting+information+from+Web+pages%2C+e.g.+implementing+logic-based%0D%0Atechniques.+Many+%EF%AC%81elds+of+application+today+require+a+strong+degree+of+robustness%0D%0Aof+wrappers%2C+in+order+not+to+compromise+assets+of+information+or+reliability+of+data%0D%0Aextracted.%0D%0AUnfortunately%2C+wrappers+may+fail+in+the+task+of+extracting+data+from+a+Web+page%2C+if%0D%0Aits+structure+changes%2C+sometimes+even+slightly%2C+thus+requiring+the+exploiting+of+new%0D%0Atechniques+to+be+automatically+held+so+as+to+adapt+the+wrapper+to+the+new+structure%0D%0Aof+the+page%2C+in+case+of+failure.+In+this+work+we+present+a+novel+approach+of+automatic+wrapper+adaptation+based+on+the+measurement+of+similarity+of+trees+through%0D%0Aimproved+tree+edit+distance+matching+techniques.&rft.date=2010&rft.type=Book+Chapter&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F7642%2F1%2Fcontr_ferrara_wrapper_adaptation.pdf&rft.identifier=++Ferrara%2C+Emilio+and+Baumgartner%2C+Robert++(2010)+Automatic+Wrapper+Adaptation+by+Tree+Edit+Distance+Matching.++%5BBook+Chapter%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F7642%2F