
doi: 10.1007/11766155_25
Current access-control systems for documents suffer from one or more of the following limitations: they are coarse-grained, limited to XML documents, or unable to maintain control over copies of documents once they are released by the system. We present a formal model of a system that overcomes all of these restrictions. It is very fine-grained, supports a general class of documents, and provides a foundation for usage control.
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 6 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
