Open question answering over curated and extracted knowledge bases

@inproceedings{Fader2014OpenQA,
  title={Open question answering over curated and extracted knowledge bases},
  author={Anthony Fader and Luke Zettlemoyer and Oren Etzioni},
  booktitle={KDD '14},
  year={2014}
}
We consider the problem of open-domain question answering (Open QA) over massive knowledge bases (KBs). Existing approaches use either manually curated KBs like Freebase or KBs automatically extracted from unstructured text. In this paper, we present OQA, the first approach to leverage both curated and extracted KBs. A key technical challenge is designing systems that are robust to the high variability in both natural language questions and massive KBs. OQA achieves robustness by decomposing… CONTINUE READING

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