Using Syntactic and Semantic Structural Kernels for Classifying Definition Questions in Jeopardy!
Alessandro MoschittiJennifer Chu-CarrollSiddharth PatwardhanJames FanGiuseppe RiccardiPublished in: EMNLP (2011)
Keyphrases
- natural language
- syntactic semantic
- question answering
- semantic parsing
- semantic representation
- semantic representations
- syntactic structures
- structural information
- tree kernels
- question answering systems
- semantic information
- semantic roles
- natural language text
- semantic constraints
- natural language sentences
- natural language understanding
- support vector
- feature space
- domain specific
- semantic features
- semantic analysis
- dependency parsing
- machine learning
- definitional question answering
- syntactic analysis
- shallow semantic
- semantic knowledge
- structural features
- semantic network
- kernel methods
- kernel function
- high level
- parse tree
- semantic space
- syntactic information
- qa systems
- semantic relations
- semantic annotation
- structural descriptions
- recognizing textual entailment
- semantic parser
- semantic web
- web services