Automated Resolution of Noisy Bibliographic References

Details Automated Resolution of Noisy Bibliographic References Automated Resolution of Noisy Bibliographic References

2004-01-27

arxiv.org/abs/cs/0401028v1

Computer Science

Digital Libraries

10 pages, 1 figure; accepted for publication in the proceedings of the 2004 Meeting of the International Federation of Classif

Scientific paper

We describe a system used by the NASA Astrophysics Data System to identify bibliographic references obtained from scanned article pages by OCR methods with records in a bibliographic database. We analyze the process generating the noisy references and conclude that the three-step procedure of correcting the OCR results, parsing the corrected string and matching it against the database provides unsatisfactory results. Instead, we propose a method that allows a controlled merging of correction, parsing and matching, inspired by dependency grammars. We also report on the effectiveness of various heuristics that we have employed to improve recall.

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