A Lexicalized Tree Kernel for Open Information Extraction.
Ying XuChristoph RinglstetterMi-Young KimGrzegorz KondrakRandy GoebelYusuke MiyaoPublished in: ACL (2) (2015)
Keyphrases
- open information extraction
- tree kernels
- question classification
- relation extraction
- semantic role labeling
- syntactic structures
- structured data
- structural features
- predicate argument
- kernel function
- sentiment classification
- kernel methods
- support vector machine
- question answering
- information extraction
- tree structures
- parse tree
- dependency parsing
- support vector
- automatic extraction
- natural language
- feature selection
- structural information
- databases
- data sources
- feature space
- machine learning