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Combining Classifiers to Identify Online Databases

Combining Classifiers to Identify Online Databases

Combining Classifiers to Identify Online Databases. Luciano Barbosa and Juliana Freire School of Computing University of Utah {lbarbosa,juliana}@cs.utah.edu. The Hidden Web. Web content hidden behind form interfaces Search for books, airfare tickets Not accessible from search engines

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804 views • 66 slides
IE by Candidate Classification: Califf & Mooney

IE by Candidate Classification: Califf & Mooney

IE by Candidate Classification: Califf & Mooney. William Cohen 1/21/03. Where this paper fits. What happens when the candidate generator becomes very general?. Candidate Generator. Candidate phrase. Learned filter. Extracted phrase. Example task for Rapier. Rapier: the 3-slide version.

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571 views • 45 slides
IE by Candidate Classification: Califf & Mooney

IE by Candidate Classification: Califf & Mooney

IE by Candidate Classification: Califf & Mooney. William Cohen 1/21/03. Where this paper fits. What happens when the candidate generator becomes very general?. Candidate Generator. Candidate phrase. Learned filter. Extracted phrase. Example task for Rapier. Rapier: the 3-slide version.

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456 views • 45 slides
Wrapper Learning: Cohen et al 2002; Kushmeric 2000; Kushmeric & Frietag 2000

Wrapper Learning: Cohen et al 2002; Kushmeric 2000; Kushmeric & Frietag 2000

Wrapper Learning: Cohen et al 2002; Kushmeric 2000; Kushmeric & Frietag 2000. William Cohen 1/26/03. Goal: learn from a human teacher how to extract certain database records from a particular web site. Learner. Why learning from few examples is important.

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467 views • 36 slides

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