Enriching a document collection by integrating information extraction and PDF annotation

Brett Powley; Robert Dale; Ilya Anisimoff

doi:10.1117/12.805548

19 January 2009 Enriching a document collection by integrating information extraction and PDF annotation

Brett Powley, Robert Dale, Ilya Anisimoff

Proceedings Volume 7247, Document Recognition and Retrieval XVI; 724707 (2009) https://doi.org/10.1117/12.805548
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States

Abstract

Modern digital libraries offer all the hyperlinking possibilities of the World Wide Web: when a reader finds a citation of interest, in many cases she can now click on a link to be taken to the cited work. This paper presents work aimed at providing the same ease of navigation for legacy PDF document collections that were created before the possibility of integrating hyperlinks into documents was ever considered. To achieve our goal, we need to carry out two tasks: first, we need to identify and link citations and references in the text with high reliability; and second, we need the ability to determine physical PDF page locations for these elements. We demonstrate the use of a high-accuracy citation extraction algorithm which significantly improves on earlier reported techniques, and a technique for integrating PDF processing with a conventional text-stream based information extraction pipeline. We demonstrate these techniques in the context of a particular document collection, this being the ACL Anthology; but the same approach can be applied to other document sets.

Citation Download Citation

Brett Powley, Robert Dale, and Ilya Anisimoff "Enriching a document collection by integrating information extraction and PDF annotation", Proc. SPIE 7247, Document Recognition and Retrieval XVI, 724707 (19 January 2009); https://doi.org/10.1117/12.805548

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