发明名称 SYSTEM AND METHOD FOR SPECIFYING AND PROCESSING LEGALITY EXPRESSIONS
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 EP1436754(A4) 申请公布日期 2010.03.24
申请号 EP20030747617 申请日期 2003.04.29
申请人 CONTENTGUARD HOLDINGS, INC. 发明人 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
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