Random forests and the data sparseness problem in language modeling.
Peng XuFrederick JelinekPublished in: Comput. Speech Lang. (2007)
Keyphrases
- data sparseness
- random forests
- language modeling
- language model
- random forest
- information retrieval
- decision trees
- retrieval model
- probabilistic model
- query expansion
- logistic regression
- machine learning algorithms
- ensemble methods
- cross lingual
- n gram
- document retrieval
- text classification
- information retrieval systems
- machine learning
- natural language
- digital libraries
- test collection
- benchmark datasets