Post on 17-Feb-2017
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Anca Dumitrache
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Anca Dumitrache
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Anca Dumitrache
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Anca Dumitrache
Anca Dumitrache
Which is the mood most appropriate for each song?
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METHYLERGOMETRINE is a blood vessel constrictor most commonly used to control excessive BLEEDING.
What is the relation between the highlighted terms?
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Anca Dumitrache
ANTIBIOTICS are the first line treatment for indications of TYPHUS.
With ANTIBIOTICS in short supply, DDT was used during World War II to control the insect vectors of TYPHUS.
Is the TREATS relation expressed between the highlighted terms?
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Anca Dumitrache
Which mood cluster is most appropriate for a song?
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agents are useful for patients with renal impairment, but in patients with severe renal failure requiring dialysis it presents a risk of nephrogenic systemic .
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What is the relation between the highlighted terms?
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Anca Dumitrache
Does each sentence express the TREAT relation?
ANTIBIOTICS are the first line treatment for indications of TYPHUS.→ agreement 95%
Patients with TYPHUS who were given ANTIBIOTICS exhibited side-effects.→ agreement 80%
With ANTIBIOTICS in short supply, DDT was used during WWII to control the insect vectors of TYPHUS.→ agreement 50%
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Anca Dumitrache
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Does each sentence express the TREAT relation?
ANTIBIOTICS are the first line treatment for indications of TYPHUS.
is not a reliable cure for .
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Anca Dumitrache
What is the relation between the highlighted terms?
He was the first physician to identify the relationship between and
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What is the (medical) relation between the highlighted (medical) terms?
• 91% of expert annotations covered by the crowd• expert annotators reach agreement only in 30%• most popular crowd vote covers 95% of this
expert annotation agreement
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Anca Dumitrache
Which are mentions of terrorists in this sentence?
used money from his own construction company to support the in Afghanistan against Soviet forces.
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• Annotator disagreement is signal, not noise.
• It is indicative of the variation in human semantic interpretation of signs
• It can indicate ambiguity, vagueness, similarity, over-generality, etc, as well as quality
Anca Dumitrache
• methodology • disagreement-aware
crowdsourcing to collect gold standard data
• metrics to capture disagreement
• software• online platform for
crowdsourcing task workflows and data analytics
• ground truth collection• medical relation extraction• salience in news and tweets• sound annotation
http://CrowdTruth.org
CrowdTruth.org
github.com/CrowdTruth
data.CrowdTruth.org
• Goals:
○ collecting a relation extraction gold standard
○ improve the performance of a relation extraction classifier
http://CrowdTruth.org
TA
SK→
1 1 1
1 1 1
1 1
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1 1
1 1
1 1
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0 1 1 0 0 4 3 0 0 5 1 0
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0 1 1 0 0 4 3 0 0 5 1 0
Unit vector for relation R6
Sentence Vector
Cosine = .55
• methodology • disagreement-aware
crowdsourcing to collect gold standard data
• metrics to capture disagreement
• software• online platform for
crowdsourcing task workflows and data analytics
• ground truth collection• medical relation extraction• salience in news and tweets• sound annotation
http://CrowdTruth.org
http://crowdtruth.orghttp://github.com/CrowdTruth
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