Lecture subtopic retrieval by retrieval keyword expansion using subordinate concept.
Noboru KanederaTetsuo FunadaSeiichi NakagawaPublished in: INTERSPEECH (2010)
Keyphrases
- information retrieval systems
- keywords
- image retrieval
- information retrieval
- test collection
- image database
- relevance feedback
- multimedia
- fine grained
- efficient retrieval
- structured documents
- text retrieval
- multimedia databases
- proximity search
- information extraction
- semantic video
- shape retrieval
- retrieval accuracy
- retrieval method
- retrieval model
- document retrieval
- retrieval systems
- databases
- document collections
- similarity measure