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JournalISSN: 0267-6192

Computer Systems: Science & Engineering 

Computers, Materials and Continua (Tech Science Press)
About: Computer Systems: Science & Engineering is an academic journal published by Computers, Materials and Continua (Tech Science Press). The journal publishes majorly in the area(s): Computer science & Artificial intelligence. It has an ISSN identifier of 0267-6192. Over the lifetime, 1645 publications have been published receiving 7294 citations. The journal is also known as: International journal of computer systems science and engineering.


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Journal Article
TL;DR: A detailed overview of the approach to cross-organizational workflow management developed in the CrossFlow project is given, realized on top of a commercial workflow management platform and applied in two real-world scenarios in the contexts of a logistics and an insurance company.
Abstract: This paper gives a detailed overview of the approach to cross-organizational workflow management developed in the CrossFlow project. CrossFlow is a European research project aiming at the support of cross-organizational workflows in dynamic virtual enterprises. The cooperation in these virtual enterprises is based on dynamic service outsourcing specified in electronic contracts. Service enactment is performed by dynamically linking the workflow management infrastructures of the involved organizations. Extended service enactment support is provided in the form of cross-organizational transaction management and process control, advanced quality of service monitoring, and support for high-level flexibility in service enactment. CrossFlow technology is realized on top of a commercial workflow management platform and applied in two real-world scenarios in the contexts of a logistics and an insurance company.

309 citations

Journal Article
TL;DR: To clearly identify the potential problems caused by change, a classification of change and potential errors is distinguished between transient and incessant errors, and syntactic and semantic errors.
Abstract: Adaptability has become one of the major research topics in the area of workflow management. Today’s workflow management systems have problems dealing with both momentary changes and evolutionary changes. As a result, the workflow management system is not used to support dynamically changing workflow processes or the workflow process is supported in a rigid manner, i.e. changes are not allowed or handled outside of the workflow management system. In this paper we focus on the potential problems caused by changes. To structure these problems we use a partitioning based on five perspectives. Errors resulting from change limited to one of these perspectives and multiple-perspective errors are distinguished. To clearly identify the potential problems caused by change, we distinguish between transient and incessant errors, and syntactic and semantic errors. Based on a classification of change and potential errors we point out stepping stones for solving some of the problems.

299 citations

Journal ArticleDOI
TL;DR: In this article , a 3D medical watermarking algorithm based on wavelet transform is proposed, which employs the principal component analysis (PCA) transform to reduce the data dimension, which can minimize the error between extracted components and the original data in the mean square sense.
Abstract: In a telemedicine diagnosis system, the emergence of 3D imaging enables doctors to make clearer judgments, and its accuracy also directly affects doctors’ diagnosis of the disease. In order to ensure the safe transmission and storage of medical data, a 3D medical watermarking algorithm based on wavelet transform is proposed in this paper. The proposed algorithm employs the principal component analysis (PCA) transform to reduce the data dimension, which can minimize the error between the extracted components and the original data in the mean square sense. Especially, this algorithm helps to create a bacterial foraging model based on particle swarm optimization (BF-PSO), by which the optimal wavelet coefficient is found for embedding and is used as the absolute feature of watermark embedding, thereby achieving the optimal balance between embedding capacity and imperceptibility. A series of experimental results from MATLAB software based on the standard MRI brain volume dataset demonstrate that the proposed algorithm has strong robustness and make the 3D model have small deformation after embedding the watermark.

167 citations

Performance
Metrics
No. of papers from the Journal in previous years
YearPapers
2023583
2022476
2021104
202072
201933
201826