Extending WHIRL with background knowledge for improved text classification.
Sarah ZelikovitzWilliam W. CohenHaym HirshPublished in: Inf. Retr. (2007)
Keyphrases
- background knowledge
- text classification
- labeled data
- inductive logic programming
- domain knowledge
- text categorization
- knowledge base
- representation language
- unlabeled data
- logic programs
- positive examples
- ontology learning
- bag of words
- feature selection
- semi supervised learning
- semantic features
- machine learning
- additional knowledge
- semantic information
- text mining
- prior knowledge
- n gram
- text classifiers
- feature extraction
- learning algorithm
- learning environment
- domain theory
- data cleaning
- semi supervised clustering
- database
- world knowledge