Method and a system for embedding textual forensic information
First Claim
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1. A method for automatically embedding information in a digital text, said method comprising:
- identifying a plurality of positions, in said digital text, that are suitable for introducing modifications into said digital text;
identifying modifications suitable for introduction into at least some of said suitable positions in said digital text;
selecting at least some of said identified modifications for introduction into said digital text, said selection of said modifications being operable to represent said information; and
performing said selected modifications on said digital text, thereby to embed said information.
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Abstract
A method for automatically embedding information in a digital text, said method comprising: identifying a plurality of positions, in said digital text, that are suitable for introducing modifications into said digital text; identifying modifications suitable for introduction into at least some of said suitable positions in said digital text; selecting at least some of said identified modifications for introduction into said digital text, said selection of said modifications being operable to represent said information; and performing said selected modifications on said digital text, thereby to embed said information.
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Citations
47 Claims
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1. A method for automatically embedding information in a digital text, said method comprising:
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identifying a plurality of positions, in said digital text, that are suitable for introducing modifications into said digital text;
identifying modifications suitable for introduction into at least some of said suitable positions in said digital text;
selecting at least some of said identified modifications for introduction into said digital text, said selection of said modifications being operable to represent said information; and
performing said selected modifications on said digital text, thereby to embed said information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method for monitoring digital text by utilizing information embedded in digital texts, said method comprising:
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embedding information in digital texts it is desired to monitor;
detecting an attempt to use a specific digital text;
determining whether said specific digital text contains said embedded information;
determining whether said specific digital text is one of said digital texts it is desired to monitor according to said embedded information; and
reading said information embedded in said specific digital text. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34)
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35. A system for controlling usage of a digital text by utilizing information embedded in digital text[?s], said system comprising:
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at least one computerized information embedding unit operable to embed said information in said digital texts;
at least one computerized information reading unit operable to read said information embedded in said digital texts;
at least one computerized digital text usage unit operable to use said digital texts; and
at least one computerized control unit operable to;
receive notification from said computerized digital text usage unit, said notification indicating said digital text;
receive information from said computerized information reading unit, said information dependent on said information embedded in said digital text and read by said computerized information reading unit; and
instruct said computerized digital text usage unit on a usage policy for said digital text, said usage policy dependent on said information received from said computerized information reading unit. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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Specification