Answer Extraction for Definition Questions using Information Gain and Machine Learning.
Carmen Martínez-GilAurelio López-LópezPublished in: IFIP AI (2008)
Keyphrases
- information gain
- answer extraction
- machine learning
- question answering
- decision trees
- feature selection
- definitional question answering
- text categorization
- cross lingual
- cross language
- chi squared
- mutual information
- syntactic information
- natural language processing
- text classification
- information extraction
- semantic roles
- learning algorithm
- naive bayes
- machine learning algorithms
- transfer learning
- question answering systems
- semi supervised learning
- natural language
- active learning
- data mining
- text mining
- classification accuracy
- training data
- named entities
- bag of words
- supervised learning
- support vector machine
- qa systems
- knowledge discovery
- probabilistic model