A Spectrum Tree Kernel.
Tetsuji KuboyamaKouichi HirataHisashi KashimaKiyoko F. Aoki-KinoshitaHiroshi YasudaPublished in: Inf. Media Technol. (2007)
Keyphrases
- tree kernels
- question classification
- relation extraction
- semantic role labeling
- syntactic structures
- structural features
- predicate argument
- kernel methods
- kernel function
- question answering
- structured data
- automatic extraction
- parse tree
- tree structures
- sentiment classification
- dependency parsing
- databases
- named entities
- keywords
- training data
- feature extraction
- learning algorithm