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- W1589533900 abstract "Originator Control allows information providers to define the information re-dissemination condition. Combined with usage control policy, fine-grained 'downstream usage control' can be achieved, which specifies what attributes the downstream consumers should have and how data is used. This paper discusses originator usage control, paying particular attention to enterprise-level dynamic business federations. Rather than 'pre-defining' the information re-dissemination paths, our business process slicing method 'capture' the asset derivation pattern, allowing to maintain originators' policies during the full lifecycle of assets in a collaborative context. First, we propose Service Call Graph (SCG), based on extending the System Dependency Graph, to describe dependencies among partners. When SCG (and corresponding 'service call tuple' list) is built for a business process, it is analyzed to group partners into sub-contexts, according to their dependency relations. Originator usage control can be achieved focusing on each sub-context, by examining downstream consumers' security profiles with upstream asset providers' policies. Second, for analyzing SCG, we propose two 'slicing' strategies, namely 'asset-based' and 'request-based' slicing, to deal with the scenarios of both 'pre-processing' a business process scripts and 'on-the-fly' analyzing service compositions. Last, our implementation work involves a 'context manager' service for processing business processes defined in WS-BPEL. It can be composed with our former proposed policy negotiation and aggregation services to provide policy-based end-to-end security management. We also make experiments based on processing the sample processes that come with 'WS-BPEL2.0' specification." @default.
- W1589533900 created "2016-06-24" @default.
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- W1589533900 date "2012-03-14" @default.
- W1589533900 modified "2023-09-25" @default.
- W1589533900 title "Originator usage control with business process slicing" @default.
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- W1589533900 doi "https://doi.org/10.48550/arxiv.1203.3263" @default.
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