DIALOG: Distributed Auditing Logs

Ringelstein, Christoph; Staab, Steffen

doi:10.1109/icws.2009.50

Cited by 9 publications

(7 citation statements)

References 8 publications

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“…[23] presented a Web services logging architecture WSLogA based on SOAP intermediaries that captures comprehensive services usage information. [24] presented a method of auditing the distributed processing of data in service-oriented systems named DIALOG (DIstributed Auditing LOGs). But, it is difficult to record process information of composite services for all above studies.…”

Section: Related Workmentioning

confidence: 99%

Web Service Composition Based on QoS Rules

Zhang

Bin

Liu

et al. 2010

J. Comput. Sci. Technol.

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For workflow-based service composition approach, the relations between the Web service QoS and environments are usually not considered, so that the information about QoS for composite service selection is inaccurate. It makes the selected composite service inefficient, or even unexecutable. To address this problem, a novel service composition approach based on production QoS rules is proposed in this paper. Generally, it is very difficult to directly analyze how different kinds of environment factors influence the Web service QoS. We adopt "black-box" analysis method of optimizing composite services, discovering the knowledge such as "the QoS of one Web service will be higher in specific environments". In our approach, the execution information of the composite service is recorded into a log first, which will be taken as the basis of the subsequent statistical analysis and data mining. Then, the timely QoS values of the Web services are estimated and the production QoS rules being used to qualitatively express the different performances of the Web service QoS in different environments are mined. At last, we employ the mined QoS knowledge of the Web services to optimize the composite service selection. Extensive experimental results show that our approach can improve the performance of selected composite services on the premise of assuring the selecting computation cost.

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Section: Related Workmentioning

confidence: 99%

Web Service Composition Based on QoS Rules

Zhang

Bin

Liu

et al. 2010

J. Comput. Sci. Technol.

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“… presented a Web services logging architecture WSLogA based on SOAP intermediaries, which captures comprehensive services usage information. Ringelstein and Staab presented a solution, in the form of an architecture, a formalization and an implemented prototype for logging and collecting logs in service‐oriented and cross‐organization systems. But, it is difficult to record process information of composite services for all the aforementioned works.…”

Section: Composite Service Selection Based On Sese Patternsmentioning

confidence: 99%

A correlation context‐aware approach for composite service selection

Zhang

Liu

et al. 2013

Concurrency and Computation

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SUMMARY Composite service selection is one of the core research issues in Web service composition. Because of the complex service correlation context, candidate services may perform differently when being used with other services. Presently, most service selection approaches ignore this issue, which makes the selected composite services less efficient than expected. To solve this problem, a service correlation context‐aware composite service selection approach is proposed on the basis of the concept of single‐entry single‐exit (SESE) region. The general process of our approach is as follows: (1) mining the SESE patterns that are frequently used together in the set of efficiently executed instances of a composite service; (2) dividing the process model of the composite service into SESE regions and generating the candidate SESE pattern set of each region, using the discovered SESE pattern set; and (3) optimizing composite service selection globally on the basis of QoS using divided regions as selection units and their candidate pattern sets as candidate service sets. Because SESE patterns are testified by large amount of efficiently executed instances, they have higher quality than the results of independent selection of services in an SESE region. Experimental results demonstrated that our approach can improve the quality of selected composite services effectively in the correlation context. Concurrency and Computation: Practice and Experience, 2012.© 2013 Wiley Periodicals, Inc.

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“…Table 2 gives an overview of selected technologies and assigns them to the relevant market tiers. To implement the requirement of accountability in the 1 st and 2 nd tiers, different systems based on sticky PI usage policies and audit logs are available [8], [34][35]. Most accountability systems suitable for ensuring contextual integrity are based on cryptographic technologies that can be easily applied in distributed environments [36][37].…”

Section: Technical Enablersmentioning

confidence: 99%