Keyphrases
- annotated corpus
- manually annotated
- hand crafted
- manual annotation
- data driven
- metadata
- active learning
- automatic annotation
- semantic annotation
- image annotation
- relation extraction
- named entity recognition
- supervised machine learning
- named entities
- text corpora
- image retrieval
- spanish language
- data sets
- training corpus
- semi automatically
- fully automatic
- training set
- databases