Shallow and Deep Syntactic/Semantic Structures for Passage Reranking in Question-Answering Systems.
Kateryna TymoshenkoAlessandro MoschittiPublished in: ACM Trans. Inf. Syst. (2019)
Keyphrases
- question answering
- semantic structures
- question answering systems
- natural language
- semantic roles
- passage retrieval
- question classification
- natural language processing
- semantic network
- knowledge domains
- information retrieval
- information extraction
- latent semantic indexing
- named entities
- visual features
- relation extraction
- keywords
- machine learning
- n gram
- low dimensional
- semantic role labeling
- co occurrence
- xml documents
- search engine