Question classification with semantic tree kernel.
Yan PanYong TangLuxian LinYemin LuoPublished in: SIGIR (2008)
Keyphrases
- question classification
- syntactic structures
- semantic features
- tree kernels
- question answering
- question answering systems
- feature weighting
- semantic role labeling
- machine learning approaches
- relation extraction
- semantic information
- semantic similarity
- structural features
- information extraction
- information retrieval
- semantic representation
- structured data
- natural language
- parse tree
- word sense disambiguation
- kernel methods
- metadata