Keyphrases
- natural language processing
- question answering
- information retrieval
- information extraction
- natural language
- machine learning
- test collection
- text mining
- computational linguistics
- wordnet
- free text
- named entity recognition
- text processing
- artificial intelligence
- retrieval effectiveness
- language processing
- machine translation
- reuters corpus volume
- pseudo relevance feedback
- text summarization
- semantic analysis
- named entities
- knowledge representation
- computational biology
- feature engineering
- semantic relations
- expert search
- biomedical information retrieval
- trec web
- word sense disambiguation
- active learning
- ontology learning
- ad hoc retrieval
- topic detection and tracking
- part of speech
- data sets
- neural network