Keyphrases
- information retrieval
- information retrieval systems
- human computer interaction
- text mining
- information seeking
- relative importance
- human interaction
- language modeling
- question answering
- learning to rank
- multi touch
- data sets
- human robot interaction
- information filtering
- vector space model
- information access
- retrieval systems
- user interaction
- search engine
- data mining
- retrieval model
- user queries
- document collections
- query expansion
- information extraction
- artificial intelligence
- machine learning
- term weighting
- neural network