Adapting SVM for data sparseness and imbalance: a case study in information extraction.
Yaoyong LiKalina BontchevaHamish CunninghamPublished in: Nat. Lang. Eng. (2009)
Keyphrases
- data sparseness
- information extraction
- word sense disambiguation
- support vector
- language modeling
- linguistic knowledge
- natural language processing
- machine learning
- text mining
- support vector machine
- information retrieval
- knn
- free text
- question answering
- text documents
- natural language
- wordnet
- web mining
- training data
- training set
- feature selection
- natural language text
- text processing
- named entities
- feature vectors
- relation extraction
- web documents
- co occurrence
- feature space
- machine translation
- decision trees