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Assigning Semantic Labels to Data Sources
Published on Jul 15, 20152169 Views
There is a huge demand to be able to find and integrate heterogeneous data sources, which requires mapping the attributes of a source to the concepts and relationships defined in a domain ontology.
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Chapter list
Assigning Semantic Labels to Data Sources00:00
Introduction00:14
What is a semantic model?01:10
Example semantic model01:44
Semantic Labeling Step02:07
Overall approach -semantic modeling02:50
Overall Approach (SemTyper)04:16
Approach to Textual Data05:07
Approach to Numeric Data06:52
Handling noisy datasets08:51
Datasets (Evaluation)10:25
Metrics (Evaluation)11:32
Evaluation (Textual data-Museum domain)12:15
Evaluation (Numeric data-City domain)13:33
Evaluation (Mixture data-City domain)14:12
Evaluation (Mixture data-other domains)15:04
Related Work15:41
Conclusion17:24
Thank You18:10