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Over the last 15 years, many policy languages have been developed for specifying policies and credentials under the trust management paradigm. What has been missing is a formal semantics -- in particular, one that would capture the inherently dynamic nature of trust management, where access decisions are based on the local policy in conjunction with varying sets of dynamically submitted credentials...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.