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Look before you Hop: Conversational Question Answering over Knowledge Graphs Using Judicious Context Expansion.
Philipp Christmann
Rishiraj Saha Roy
Abdalghani Abujabal
Jyotsna Singh
Gerhard Weikum
Published in:
CIKM (2019)
Keyphrases
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question answering
natural language
information retrieval
passage retrieval
question classification
information extraction
cross language
natural language processing
qa clef
named entities
open domain question answering
domain knowledge
syntactic information
knowledge base
natural language questions
question answering systems
multi modal
knowledge representation
expert systems
sentence retrieval
email
answer validation
graph structure
background knowledge
context aware
text mining
probabilistic model
answering questions