Semantic concept-based query expansion and re-ranking for multimedia retrieval.

Apostol Natsev Alexander Haubold Jelena Tesic Lexing Xie Rong Yan

Published 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