Context - Sensitive Query Expansion Based on Fuzzy Clustering of Index Terms.
Giorgos AkrivasManolis WallaceGiorgos B. StamouStefanos D. KolliasPublished in: FQAS (2002)
Keyphrases
- context sensitive
- fuzzy clustering
- query expansion
- language model
- vector space model
- document representation
- information retrieval
- retrieval model
- language modeling
- information retrieval systems
- retrieval effectiveness
- n gram
- relevant documents
- query terms
- clustering algorithm
- document retrieval
- membership functions
- document collections
- relevance feedback
- cluster analysis
- probabilistic model
- natural language
- term frequency
- test collection
- average precision
- active learning
- tf idf