Keyphrases
- test set
- error rate
- information retrieval
- training data
- training set
- expressive power
- test data
- information retrieval systems
- language independent
- decision making
- text retrieval
- retrieval effectiveness
- evaluation measures
- information access
- text summarization
- query expansion
- data sets
- confidence intervals
- structured queries
- object oriented
- cross lingual
- random selection
- syntactic dependencies