Analysis Combination and Pseudo Relevance Feedback in Conceptual Language Model - LIRIS Participation at ImageCLEFMed.
Loïc MaisonnasseFarah HarrathiCatherine RousseySylvie CalabrettoPublished in: CLEF (2) (2009)
Keyphrases
- language model
- pseudo relevance feedback
- query expansion
- language modeling
- language modelling
- ad hoc information retrieval
- document retrieval
- n gram
- information retrieval
- pseudo feedback
- relevance model
- query specific
- document ranking
- retrieved documents
- query terms
- probabilistic model
- retrieval accuracy
- ad hoc retrieval
- retrieval model
- information extraction
- vector space model
- cross lingual
- relevant documents