The Impact of Named Entity Normalization on Information Retrieval for Question Answering

@inproceedings{Khalid2008TheIO,
  title={The Impact of Named Entity Normalization on Information Retrieval for Question Answering},
  author={Mahboob Alam Khalid and Valentin Jijkoun and Maarten de Rijke},
  booktitle={ECIR},
  year={2008}
}
In the named entity normalization task, a system identifies a canonical unambiguous referent for names like Bush or Alabama. Resolving synonymy and ambiguity of such names can benefit end-to-end information access tasks. We evaluate two entity normalization methods based on Wikipedia in the context of both passage and document retrieval for question anwering. We find that even a simple normalization method leads to improvements of early precision, both for document and passage retrieval… CONTINUE READING

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