Automatic semantic relation extraction from Portuguese texts.
Leonardo Sameshima TabaHelena de Medeiros CaseliPublished in: LREC (2014)
Keyphrases
- relation extraction
- natural language text
- manually annotated
- automatic extraction
- information extraction
- named entities
- semantic relations
- domain specific
- semantic features
- semantic role labeling
- reference resolution
- broad coverage
- dependency trees
- named entity recognition
- question answering
- information extraction systems
- annotated corpus
- coreference resolution
- parse tree
- search engine
- noun phrases
- tree kernels
- machine learning
- natural language
- unsupervised learning
- keywords
- named entity recognizer