Applying Multiple Characteristics and Techniques in the NICT Information Retrieval System in NTCIR-5.
Masaki MurataQing MaHitoshi IsaharaPublished in: NTCIR (2005)
Keyphrases
- information retrieval systems
- retrieval effectiveness
- information retrieval
- document collections
- query expansion
- user queries
- relevant documents
- relevance feedback
- information access
- retrieval systems
- retrieval model
- inverted file
- test collection
- average precision
- document indexing
- machine learning
- query terms
- text retrieval
- retrieval engine