SICS at CLEF 2002: Automatic Query Expansion using Random Indexing.
Magnus SahlgrenJussi KarlgrenRickard CösterTimo JärvinenPublished in: CLEF (Working Notes) (2002)
Keyphrases
- automatic query expansion
- query expansion
- information retrieval
- text retrieval
- cross language
- interactive query expansion
- pseudo relevance feedback
- retrieval effectiveness
- information retrieval systems
- language model
- relevance feedback
- question answering
- expansion terms
- retrieval model
- document collections
- retrieved documents
- multimedia retrieval
- original query
- query expansion methods
- document retrieval
- relevant documents
- test collection
- query terms
- information extraction
- content based retrieval
- retrieval systems
- text mining
- learning algorithm