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Extracting Meta Statements from the Blogosphere
Published on Aug 18, 20113299 Views
Information extraction systems have been recently proposed for organizing and exploring content in large online text corpora as information networks. In such networks, the nodes are named entities (e.
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Chapter list
Extracting Meta Statements from the Blogosphere00:00
Information overload in the blogosphere00:18
Information networks [Mesquita et al. 2010]01:17
Information networks02:04
Meta statement [Yang & Kifferet al 2003]03:23
Reified information networks03:52
Our problem04:42
Related work: relation extraction (RE)04:55
Pre-processing06:41
Baseline approach (O-CRF) (1)07:08
Baseline approach (O-CRF) (2)08:36
Our approach (meta-CRF)10:17
The need for additional features11:28
Our additional features13:24
Experiment setup14:40
Experiment setup (cont’d)15:31
Improvement of our additional features16:16
Accuracy for different types of statement16:42
Conclusion17:47
Future work18:39
Thank you19:32