Information Retrieval of Visual Descriptions with IR-n System based on Passages.
Sergio NavarroFernando LlopisRafael Muñoz GuillenaElisa NogueraPublished in: CLEF (Working Notes) (2007)
Keyphrases
- information retrieval
- question answering
- passage retrieval
- document retrieval
- information retrieval systems
- web ir
- visual information
- query expansion
- retrieval model
- text retrieval
- retrieval effectiveness
- document collections
- text mining
- ir evaluation
- tf idf
- information seeking
- term weighting
- cross language ir
- search engine
- high level
- language model
- language modeling
- extended boolean
- information extraction
- relevance feedback
- sparck jones
- ir models
- web information retrieval
- visual features
- test collection
- information filtering
- structured documents
- audio visual
- term selection
- vector space model
- retrieval systems
- relevant documents