Erik Sonnleitner, Josef Küng,
"Watermarking generative information systems for duplicate tracability"
, in Applied Mathematics & Information Sciences, Vol. 7, Nummer 5, Natural Sciences Publishing Cor., Seite(n) 1789-1801, 7-2013
Watermarking generative information systems for duplicate tracability
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Abstract: This document outlines a watermarking scheme applicable to generative information systems in general, and dynamic web-page content delivered by a HTTP server in particular. The approach focuses on tracability of potential duplicates of previously served informational content. The suggested procedures are non-intrusive, resilient, blind, robust, reversible and suitable for large amounts of textual content. In order to do so, non- or semi-printable characters are inserted at syntactically and semantically valid places within the payload data.