Approach and Limitations Automatic Ontology-Based Wrapper Generation
for a page of unstructured records, rich in data and narrow in ontological breadth
Application
Ontology
Ontology
Parser
Constant/Keyword
Recognizer
Database-Instance
Generator
Unstructured
Records
Constant/Keyword
Matching Rules
Data-Record Table
Record-Level Objects,
Relationships, and Constraints
Database
Scheme
Populated
Database
Record
Extractor
Web Page
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