发明名称 |
RIGHTS MANAGEMENT SYSTEM USING LEGALITY EXPRESSION LANGUAGE |
摘要 |
<p>A system and method are provided for specifying a legality expression for use in a system for processing the legality expression. The system and method include providing a legality expression language, including at least one of a duty element specifying an obligation that a principal must perform an act, a ban element specifying a prohibition that a principal must not perform an act, an intent element specifying an intention that a principal wants to perform an act, and a claim element specifying an assertion that a principal does perform an act. The system and method further include interpreting by the system a legality expression specified using the legality expression language.</p> |
申请公布号 |
EP1502221(A1) |
申请公布日期 |
2005.02.02 |
申请号 |
EP20030747616 |
申请日期 |
2003.04.29 |
申请人 |
CONTENTGUARD HOLDINGS, INC. |
发明人 |
VALENZUELA, EDGAR;TADAYON, BIJAN;FUNG, JOSEPH, ZHUNG, YEE;WANG, XIN |
分类号 |
G06F21/24;G06F12/14;G06F21/00;G06Q10/00;G07C9/00;H04K1/00;H04L9/00;(IPC1-7):G06F17/60 |
主分类号 |
G06F21/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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