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Hybrid Acquisition of Temporal Scopes for RDF Data
Published on Jul 30, 20142406 Views
Information on the temporal interval of validity for facts described by RDF triples plays an important role in a large number of applications. Yet, most of the knowledge bases available on the Web of
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Chapter list
Hybrid Acquisition of Temporal Scopes for RDF Data00:00
Outline00:17
Temporal Scoping of RDF triples00:50
Motivation & Challenges02:39
Motivation & Challenges03:33
Motivation & Challenges04:14
Approach Overview: Use the Web as Source of Evidence05:14
Approach Overview: Hybrid Acquisition of Time Scopes05:54
Temporal Information Extraction - Web Documents07:51
Temporal Information Extraction - Web Documents09:04
Temporal Information Extraction - Web of Data10:21
Mapping Facts to Time Intervals - Matching11:35
Mapping Facts to Time Intervals - Selection12:51
Mapping Facts to Time Intervals - Reasoning14:25
Experimental Setup - Dataset14:57
Experimental Setup - Evaluation Measures16:06
Experimental Results -Accuracy of Best Configurations for all Properties17:15
Experimental Results -Accuracy with vs. without Reasoning for all Properties19:26
Conclusions & Future Work19:56
Thank you!21:13