Question answering from structured knowledge sources.
Anette FrankHans-Ulrich KriegerFeiyu XuHans UszkoreitBerthold CrysmannBrigitte JörgUlrich SchäferPublished in: J. Appl. Log. (2007)
Keyphrases
- question answering
- knowledge sources
- multiple knowledge sources
- information retrieval
- domain knowledge
- information extraction
- natural language processing
- domain specific
- cultural algorithms
- knowledge based systems
- expert systems
- knowledge acquisition
- passage retrieval
- semantic relations
- knowledge base
- natural language questions
- named entities
- syntactic information
- natural language
- cross language
- information sources
- qa clef
- structured data
- relation extraction
- question classification
- question answering systems
- data mining
- machine learning
- semantic roles
- general purpose
- databases