Keyphrases
- cross language
- learning process
- information access
- document retrieval
- supervised learning
- reinforcement learning
- tree representation
- data mining
- document collections
- information retrieval
- natural language
- digital libraries
- feature space
- search algorithm
- support vector machine
- semi supervised
- training data
- text mining
- unsupervised learning
- feature extraction
- question answering
- search engine
- learning algorithm
- machine learning