Achieving Expert-Level Annotation Quality with CrowdTruth: The Case of Medical Relation Extraction.
Anca DumitracheLora AroyoChris WeltyPublished in: BDM2I@ISWC (2015)
Keyphrases
- relation extraction
- annotated corpus
- information extraction
- automatic extraction
- manually annotated
- domain specific
- named entities
- broad coverage
- semantic role labeling
- semantic relations
- semantic features
- named entity recognition
- active learning
- question answering
- dependency trees
- dependency tree
- natural language processing
- automatic annotation
- low level features
- higher level
- tree kernels
- knowledge discovery
- object recognition
- web pages