Exposing ambiguities in a relation-extraction gold standard with crowdsourcing.
Tong Shu LiBenjamin M. GoodAndrew I. SuPublished in: CoRR (2015)
Keyphrases
- relation extraction
- gold standard
- mechanical turk
- automatic extraction
- information extraction
- semi automatic
- ground truth
- domain specific
- named entities
- semantic relations
- semantic role labeling
- dependency tree
- semantic features
- question answering
- broad coverage
- reference resolution
- named entity recognition
- tree kernels
- parse tree
- dependency trees
- co occurrence
- ontology learning
- wordnet
- text mining
- feature selection