Pythia: Compositional Meaning Construction for Ontology-Based Question Answering on the Semantic Web.
Christina UngerPhilipp CimianoPublished in: NLDB (2011)
Keyphrases
- question answering
- natural language
- semantic web technologies
- natural language processing
- question classification
- information extraction
- semantic web
- passage retrieval
- knowledge representation
- qa clef
- metadata
- information retrieval
- question answering systems
- named entities
- cross language
- natural language questions
- open domain question answering
- relation extraction
- syntactic information
- semantic analysis
- n gram
- machine learning
- answer validation
- data mining