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Harnessing Diversity in Crowds and Machines for Better NER performance
Published on 2017-07-10789 Views
Over the last years, information extraction tools have gained a great popularity and brought significant performance improvement in extracting meaning from structured or unstructured data. For example
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Presentation
Harnessing Diversity in Crowds and Machines for Better NER Performance00:00
What’s wrong with the ground truth for NER?00:19
What’s wrong with the ground truth for NER? - 101:08
What’s wrong with the ground truth for NER? - 202:06
What’s wrong with the ground truth for NER? - 303:02
… but, then ...03:37
How do state-of-the-art NER tools perform on this ground truth?03:55
… let’s see how NER tools perform on this GT 05:25
… and now let’s see their overall performance 06:14
… and now let’s see their overall performance - 107:17
Difficult to understand the reliability of different NER tools 07:39
Hypothesis07:53
Multi-NER vs. SOTA Single-NER08:19
Multi-NER vs. SOTA Single-NER - 109:00
Multi-NER vs. SOTA Single-NER - 209:23
Multi-NER vs. SOTA Single-NER - 310:10
Disagreement Aware Multi-NER vs. Single-NER - 111:24
Hypothesis - 111:49
Crowdsourcing for better ground truth12:04
Crowdsourcing task12:26
Crowdsourcing for better NER 13:25
Crowdsourcing for better ground truth -1 15:52
Conclusions & future work16:30