Keyphrases
- language modeling
- named entity recognition
- text summarization
- query expansion
- language model
- information extraction
- natural language processing
- named entities
- information retrieval
- probabilistic model
- conditional random fields
- retrieval model
- word segmentation
- semi supervised
- cross lingual
- n gram
- maximum entropy
- text classification
- information retrieval systems
- training set
- graphical models
- supervised learning
- translation model
- question answering
- generative model
- data mining
- machine translation
- text mining
- natural language
- search engine
- artificial intelligence