Keyphrases
Automatic Indexing
60%
Automatic Query Reformulation
20%
Computational Linguistics
40%
Feedback Technique
20%
Journal of Documentation
20%
Keyphrase Indexing
20%
Language Samples
60%
Language Testing
20%
Precision Weighting
20%
Probabilistic Approach
20%
Pseudo-relevance Feedback
60%
Query Reformulation
100%
Reformulation Techniques
100%
Term Specificity
20%
University of Chicago
20%
Computer Science
Automatic Indexing
50%
Computational Linguistics
33%
Indexing Method
16%
Probabilistic Approach
16%
Query Reformulation
100%
Relevance Feedback
50%
Earth and Planetary Sciences
Indexing (Information Science)
30%
Word (Language)
10%