Semantic concept-based query expansion and re-ranking for multimedia retrieval.
Apostol NatsevAlexander HauboldJelena TesicLexing XieRong YanPublished in: ACM Multimedia (2007)
Keyphrases
- query expansion
- multimedia retrieval
- text retrieval
- query dependent
- biomedical information retrieval
- automatic query expansion
- information retrieval
- information retrieval systems
- retrieved documents
- query specific
- semantic concepts
- multimedia information retrieval
- semantic information
- retrieval effectiveness
- multimedia data
- multimedia
- language model
- pseudo relevance feedback
- retrieval systems
- relevant documents
- retrieval model
- ad hoc retrieval
- relevance model
- relevance feedback
- content based retrieval
- xml retrieval
- high level
- ranking functions
- ranking algorithm
- semantic content
- semantic similarity
- learning to rank
- image retrieval
- query terms
- document retrieval
- web search
- test collection
- indexing structure
- document collections
- multi dimensional
- image database