A Confidence-Weighted Metric for Unsupervised Ontology Population from Web Texts.
Hilário OliveiraRinaldo LimaJoão GomesRafael FerreiraFrederico Luiz Gonçalves de FreitasEvandro CostaPublished in: DEXA (1) (2012)
Keyphrases
- ontology population
- weakly supervised
- information extraction
- domain independent
- confidence weighted
- semi supervised
- domain specific
- unsupervised learning
- natural language
- data sets
- superpixels
- object class
- learning algorithm
- cost sensitive classification
- supervised learning
- multi class
- topic models
- named entity recognition
- information retrieval
- machine learning