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21 December 2000 Recognition techniques for extracting information from semistructured documents
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Proceedings Volume 4307, Document Recognition and Retrieval VIII; (2000)
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States
Archives of optical documents are more and more massively employed, the demand driven also by the new norms sanctioning the legal value of digital documents, provided they are stored on supports that are physically unalterable. On the supply side there is now a vast and technologically advanced market, where optical memories have solved the problem of the duration and permanence of data at costs comparable to those for magnetic memories. The remaining bottleneck in these systems is the indexing. The indexing of documents with a variable structure, while still not completely automated, can be machine supported to a large degree with evident advantages both in the organization of the work, and in extracting information, providing data that is much more detailed and potentially significant for the user. We present here a system for the automatic registration of correspondence to and from a public office. The system is based on a general methodology for the extraction, indexing, archiving, and retrieval of significant information from semi-structured documents. This information, in our prototype application, is distributed among the database fields of sender, addressee, subject, date, and body of the document.
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Anna Della Ventura, Isabella Gagliardi, and Bruna Zonta "Recognition techniques for extracting information from semistructured documents", Proc. SPIE 4307, Document Recognition and Retrieval VIII, (21 December 2000);

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