prie.ppt

Information extraction from HTML product catalogues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Coupling quantitative and knowledge-based approaches

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Rainbow overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Extraction of product offers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Preprocessing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Annotation using HMMs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Impact of image information ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ontology-based instance extraction Instance extraction algorithm Instances (xml) Sesame RDF repository Document annotated by HMM Presentation ontology

Domain ontology Presentation ontology

Instance extraction algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Search interface powered by Sesame

Future work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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