The CLEF 2011 Photo Annotation and Concept-based Retrieval Tasks.
Stefanie NowakKarolin NagelJudith LiebetrauPublished in: CLEF (Notebook Papers/Labs/Workshop) (2011)
Keyphrases
- information retrieval
- query expansion
- test collection
- automatic annotation
- image retrieval
- semantic indexing
- information retrieval systems
- retrieval model
- automatic indexing
- image database
- text retrieval
- question answering
- multilingual information retrieval
- ad hoc retrieval
- active learning
- cross language retrieval
- image annotation
- cross language
- retrieval systems
- relevance feedback
- content based retrieval
- semantic annotation
- cross media
- content description
- text categorization
- concept based video retrieval
- cross lingual
- relevance model
- document retrieval
- transfer learning
- effective retrieval
- dublin city university