Question-Driven Semantic Filters for Answer Retrieval.
Marius PascaPublished in: Int. J. Pattern Recognit. Artif. Intell. (2003)
Keyphrases
- answer extraction
- question answering systems
- community question answering
- semantic retrieval
- question answering
- semantic content
- semantic search
- question classification
- correct answers
- information retrieval systems
- information retrieval
- cross media
- semantic query
- document retrieval
- answering questions
- image database
- qa clef
- frequently asked
- image retrieval
- query expansion
- natural language
- semantic information
- semantic network
- audio visual content
- semantic video
- semantic roles
- metadata
- retrieval method
- domain specific
- retrieval systems
- semantic web
- cross lingual
- semantic indexing
- content based retrieval
- multimedia databases
- question answer
- test collection
- natural language questions
- relevance feedback
- semantic features
- edge detection
- question answer pairs
- answer validation
- retrieval model
- text retrieval
- low level features
- controlled vocabulary
- semantic description