Revamping Question Answering with a Semantic Approach over World Knowledge.
Nuno CardosoIustin DornescuSven HartrumpfJohannes LevelingPublished in: CLEF (Notebook Papers/LABs/Workshops) (2010)
Keyphrases
- question answering
- world knowledge
- natural language text
- natural language
- relation extraction
- semantic roles
- information extraction
- information retrieval
- natural language processing
- bag of words
- noun phrases
- knowledge sources
- cross language
- named entities
- semantic network
- semantic similarity
- background knowledge
- semantic features
- document classification
- semantic information
- knowledge base
- machine learning
- low level features
- metadata
- wikipedia articles