Matching Schemas From Disparate Data Sources

More documents

Recommendations

Info

$latex - Andy-roberts.net$

Related Work• Description of data in column (data-type):– Categorize attributes according to fieldspecifications and data values– Train a neural network to recognize similarattributes (attribute category)[Li and Clifton VLDB94]
• Training/domain expert:– Ask users to match samples– Use these to train a set of learners– Find mappings using trained learners– Combine predictions using a meta learner[Doan, Domingos and Halevy SIGMOD01]• Something somewhat similar[Berlin and Motro CAiSE02]• Building a matching corpus:– Explore evidence from other matching problemsin a matching corpus[Madhaven, Bernstein et al ICDE05]
Page 1 and 2: Matching SchemasFrom DisparateData
Page 3 and 4: What is Semantic Matching?• Mappi
Page 5 and 6: Schema Sfantastic house 250,000 1
Page 7 and 8: Manual integration is notpractical
Page 9: • Matching Accuracy!Key Challenge
Page 13 and 14: • Fragment-oriented:- Decompose X
Page 15 and 16: Design• A collection of matchers
Page 17 and 18: • Name Matcher (Exact, Levenshtei
Page 28 and 29: Conclusion• Schema matching is th
Page 30: Thanks! ☺Any Q?

Matching Schemas From Disparate Data Sources

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?