CLEF-2005 CL-SR at Maryland: Document and Query Expansion using Side Collections and Thesauri.
Jianqiang WangDouglas W. OardPublished in: CLEF (Working Notes) (2005)
Keyphrases
- document collections
- cl sr
- query expansion
- information retrieval systems
- information retrieval
- cross language speech retrieval
- query expansion methods
- relevant documents
- dublin city university
- document retrieval
- retrieval effectiveness
- ad hoc retrieval
- test collection
- cross language
- text retrieval
- pseudo relevance feedback
- query terms
- document clustering
- retrieval model
- retrieval systems
- relevance feedback
- expansion terms
- language modeling
- user queries
- original query
- automatic query expansion
- retrieved documents
- language model
- query specific
- digital libraries
- vector space model
- spoken document retrieval
- relevance model
- query translation
- ranked list