Keyphrases
- random forests
- language modeling
- language model
- random forest
- retrieval model
- information retrieval
- decision trees
- logistic regression
- n gram
- query expansion
- probabilistic model
- machine learning algorithms
- ensemble methods
- text classification
- decision tree ensembles
- document retrieval
- search engine
- nearest neighbor
- test collection
- graph cuts
- data sets
- feature space
- database systems
- feature selection