Conferences related to IEEE Transactions on Services Computing

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2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC)

The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.


2019 IEEE International Conference on Service-Oriented System Engineering (SOSE)

It covers all aspects of service-oriented engineering from architectures, techniques, tools and languages to methodologies. The topics include, but are not limited to, (1) Advanced Models for Service Engineering, (2) Computing Environments and Virtualization, (3) Methods, Languages & Tools for process-based SOC systems, (4) Service-based Cyber-Physical Systems, (5) Intelligent Services for a Smart World, and (6) Social Networking Services. The conference also welcomes industry practice and case study papers, which include, but not limited to, the topics of (1) Enterprise business architecture and solution frameworks, (2) Platforms and tools for system and software engineering, (3) Case studies, experiments and evaluation of service-oriented system, and (4) Innovative service applications and experiences. It will also invite some tutorial papers, which review the state-of-the-art of the research on services engineering as well as the related emerging paradigms and technologies.

  • 2018 IEEE Symposium on Service-Oriented System Engineering (SOSE)

    SOSE is one of the pioneering symposia devoted to research in engineering service-oriented systems, from the architecture and computing paradigm to the development and management. SOSE 2018 invites original submissions in all the areas of system engineering and software engineering methods, techniques, tools, applications, and experiments for software services.

  • 2017 IEEE Symposium on Service-Oriented System Engineering (SOSE)

    The 11th International Symposium on Service-Oriented System Engineering (SOSE 2017) provide a forum for researchers and practitioners to present and exchange latest observations, insights, achievements, and visions in the Service-Oriented System Engineering. Particularly, SOSE 2017 invites original submissions in all the aspects of the system engineering and software engineering methods, techniques, tools, applications, and experiments for software services.

  • 2016 IEEE Symposium on Service-Oriented System Engineering (SOSE)

    SOSE is one of the pioneering symposia devoted to research in engineering service-oriented systems, from the architecture and computing paradigm to the development and management. SOSE 2016 invites original submissions in all the areas of system engineering and software engineering methods, techniques, tools, applications, and experiments for software services.

  • 2015 IEEE Symposium on Service-Oriented System Engineering (SOSE)

    Service-Oriented Computing (SOC) exploits services as the fundamental elements for developing computer-based systems, and represents a paradigm shift away from traditional distributed systems. Conceptually well-founded and practical approaches supporting the whole range of engineering service-oriented systems, (i.e., models, architectures, infrastructures, design, implementation, deployment, testing, delivery, consumption, maintenance, evaluation and evolution) are still missing in almost all non-basic areas. The main themes of SOSE 2015 try to put a new focus on these important aspects of SOC: Methods, Languages and Tools for process-based SOC systems engineering Advanced models and infrastructures in Service-oriented engineeringSOSE 2015 invites original submissions in all areas of process and system engineering, as well as software engineering methods, techniques, tools, applications, and experiments for process- and service-oriented systems and software services.

  • 2014 IEEE 8th International Symposium on Service Oriented System Engineering (SOSE)

    Service-Oriented Computing (SOC) exploits services as the fundamental elements for developing computer-based systems, and represents a paradigm shift away from traditional distributed systems architecture, design, implementation, testing, evaluation, delivery, consumption, maintenance and evolution.In recent years, service-oriented systems - and the data they generate and process - are becoming increasingly ubiquitous, large-scale, and complex. Systems are often distributed across large numbers of resources in different geographical locations running on heterogeneous infrastructure, with a large and increasing number of diverse users, and with requirements for generating, storing, processing, and understanding "big data" that demand new data management and processing tools.The 8th SOSE will provide a forum for researchers and practitioners to exchange latest observations, insights, achievements and visions in Service-Oriented System Engineering.

  • 2013 IEEE 7th International Symposium on Service Oriented System Engineering (SOSE)

    Service Oriented System Engineering, Service Oriented Software Engineering, Emergent Paradigms and Technologies, Applications and Industry Experiences in Service Oriented Engineering, Review of the State Of The Art of the Research on Service Engineering and Emergent Subjects, Cloud Service, Software as a service, Testing as a service.

  • 2011 IEEE 6th International Symposium on Service Oriented System Engineering (SOSE)

    SOSE is one of the pioneering symposia devoted to the research in engineering service-oriented systems. It has addressed issues in various aspects of engineering SOA-based systems from architecture and computing paradigm to the development and quality validation problems and solutions. SOSE symposia's unique feature is its focus on the SOC from the perspectives of software engineering and system engineering.

  • 2010 IEEE Fifth International Symposium on Service Oriented System Engineering (SOSE)

  • 2006 IEEE International Symposium on Service-Oriented System Engineering (SOSE)

  • 2005 IEEE International Workshop on Service-Oriented Systems Engineering (SOSE)


2019 IEEE World Congress on Services (SERVICES)

The scope of the Congress will cover all aspects of innovative services computing and applications, current and emerging. It involves various systems and networking aspects, such as cloud, edge, and Internet-of-Things (IoT), as well as other research and technologies, such as intelligent computing, learning techniques, blockchain and big data, including quality factors, such as high performance, security, privacy, dependability, trustworthiness, and cost-effectiveness.

  • 2018 IEEE World Congress on Services (SERVICES)

    Sponsored the IEEE Computer Society's Technical Committee on Services Computing (TC-SVC) , the 2018 13th World Congress on Services (SERVICES 2017) puts its focus on the industry-specific services and emerging service-oriented technologies. SERVICES 2018 will be co-located with the following five theme topic conferences to explore the deep knowledge space of Services Computing in different directions:

  • 2017 IEEE World Congress on Services (SERVICES)

    all the following services sectors to help define and shape the modernization strategy and directions of the services industry.

  • 2016 IEEE World Congress on Services (SERVICES)

    The 2016 12th World Congress on Services (SERVICES 2016) puts its focus on the industry-specific services and emerging service-oriented technologies. SERVICES 2016 tries to attract researchers, practitioners, and industry business leaders in all the following services sectors to help define and shape the modernization strategy and directions of the services industry. You are invited to submit research, engineering, and business innovation papers to the following business services sectors

  • 2015 IEEE World Congress on Services (SERVICES)

    SERVICES 2015 aims to serve as a federation to host the following five theme topic conferences to explore the deep knowledge space of Services Computing in different directions.

  • 2014 IEEE World Congress on Services (SERVICES)

    2014 IEEE World Congress on Services (SERVICES 2014) aims to serve as a federation to host the following five theme topic conferences to explore the deep knowledge space of Services Computing in different directions:

  • 2013 IEEE World Congress on Services (SERVICES)

    SERVICES 2013 aims to serve as a federation explore the deep knowledge space of Services Computing in different directions.

  • 2012 IEEE World Congress on Services (SERVICES)

    2012 IEEE World Congress on Services (SERVICES 2012) aims to serve as a federation to host the following five theme topic conferences to explore the deep knowledge space of Services Computing in different directions.

  • 2011 IEEE World Congress on Services (SERVICES)

    The theme of the 7th IEEE 2011 World Congress on Services (SERVICES 2011) is "modernization of the services industry." SERVICES 2011 supports and further explores the science and technology of modernizing services industries using latest methods and technologies such as as Services Computing.

  • 2010 IEEE Congress on Services (SERVICES)

    SERVICES 2010 supports and further explores the science and technology of modernizing services industries using latest methods and technologies such as as Services Computing, which has been formally promoted by IEEE Computer Society since 2003.

  • 2009 IEEE Congress on Services (SERVICES)

    The theme of the 2009 IEEE Congress on Services (SERVICES 2009) is "modernization of the services industry". SERVICES 2009 supports and further explores the science and technology of modernizing services industries using latest methods and technologies such as Services Computing, which has been formally promoted by IEEE Computer Society since 2003. From a technology perspective, Services Computing has become the foundational discipline for modernizing the services industry.

  • 2008 IEEE Congress on Services Part I(SERVICES-1)

  • 2007 IEEE Congress on Services (SERVICES)


2019 IEEE/ACIS 18th International Conference on Computer and Information Science (ICIS)

The 18th IEEE/ACIS International Conference on Computer and Information Science brings together scientists, engineers, computer users, and students to exchange and share their experiences, new ideas, and research results about all aspects (theory, applications and tools) of computer and information science, and discuss the practical challenges encountered and the solutionsadopted.

  • 2018 IEEE/ACIS 17th International Conference on Computer and Information Science (ICIS)

    The 17th International Conference on Computer and Information Science (ICIS 2018) bringstogether scientists, engineers, computer users and students to exchange and share theirexperiences, new ideas and research results about all aspects (theory, applications and tools)of computer and information science and discuss the practical challenges encountered and thesolutions adopted.

  • 2017 IEEE/ACIS 16th International Conference on Computer and Information Science (ICIS)

    The 16th International Conference on Computer and Information Science (ICIS 2017) brings together scientists, engineers, computer users and students to exchange and share their experiences, new ideas and research results about all aspects (theory, applications and tools) of computer and information science and discuss the practical challenges encountered and the solutions adopted.

  • 2016 IEEE/ACIS 15th International Conference on Computer and Information Science (ICIS)

    The 15th IEEE/ACIS International Conference on Computer and Information Science (ICIS 2016) brings together scientists, engineers, computer users, and students to exchange and share their experiences, new ideas, and research results about all aspects (theory, applications and tools) of computer and information science, and discuss the practical challenges encountered and the solutions adopted.

  • 2015 IEEE/ACIS 14th International Conference on Computer and Information Science (ICIS)

    The 14th IEEE/ACIS International Conference on Computer and Information Science (ICIS 2015) brings together scientists, engineers, computer users, and students to exchange and share their experiences, new ideas, and research results about all aspects (theory, applications and tools) of computer and information science, and discuss the practical challenges encountered and the solutions adopted.

  • 2014 IEEE/ACIS 13th International Conference on Computer and Information Science (ICIS)

    The 13th IEEE/ACIS International Conference on Computer and Information Science brings together scientists, engineers, computer users, and students to exchange and share their experiences, new ideas, and research results about all aspects (theory, applications and tools) of computer and information science, and discuss the practical challenges encountered and the solutions adopted.

  • 2013 IEEE/ACIS 12th International Conference on Computer and Information Science (ICIS)

    ICIS 2013 brings together scientists, engineers, computer users, and students to exchange and share their experiences, new ideas, and research results about all aspects of computer and information science, and discuss the practical challenges encountered and the solutions adopted. The conference will cover, but not limited to, the following:Algorithms, Artificial Intel, Neural Networks, Bioinformatics, Communication Sys & Net, Component-Based Software Eng, Computer Arch, VLSI, Data Mining, Knowledge Discovery, Data Warehousing & Eng, Distributed Comp, Economic & Financial Sys,Image and Signal Proc, Pattern Rec,Information Systems, Intelligent Agent, Intelligent Control Sys, Internet Tech, e-Commerce, Middleware Arch, Mobile/Wireless Comp, Parallel & Distributed Comp, Programming Lang, Compilers, Operating Systems, Software Arch, Design Patterns, Frameworks, Software Engineering, Software Metrics, Software Reuse, Design Patterns, Software Testing, Technology Education, UML, OO Modelin

  • 2012 IEEE/ACIS 11th International Conference on Computer and Information Science (ICIS)

    The 11th IEEE/ACIS International Conference on Computer and Information Science brings together scientists, engineers, computer users, and students to exchange and share their experiences, new ideas, and research results about all aspects (theory, applications and tools) of computer and information science, and discuss the practical challenges encountered and the solutions adopted.

  • 2011 IEEE/ACIS 10th International Conference on Computer and Information Science (ICIS)

    The 10th IEEE/ACIS International Conference on Computer and Information Science brings together scientists, engineers, computer users, and students to exchange and share their experiences, new ideas, and research results about all aspects (theory, applications and tools) of computer and information science, and discuss the practical challenges encountered and the solutions adopted. The conference will cover a broad set of research topics including, but not limited to, the following: Algorithms, Artificia

  • 2010 IEEE/ACIS 9th International Conference on Computer and Information Science (ICIS)

    This Conference brings together scientists, engineers, computer users, and students to exchange and share their experiences, new ideas, and research results about all aspects (theory, applications and tools) of computer and information science, and discuss the practical challenges encountered and the solutions adopted. The conference will cover a broad set of research topics.

  • 2009 8th IEEE/ACIS International Conference on Computer & Information Science (ICIS)

  • 2008 7th International Conference on Computer & Information Science (ICIS)

    The 7th IEEE/ACIS International Conference on Computer and Information Science brings together scientists, engineers, computer users, and students to exchange and share their experiences, new ideas, and research results about all aspects (theory, applications and tools) of computer and information science, and discuss the practical challenges encountered and the solutions adopted

  • 2007 International Conference on Computer & Information Science (ICIS)

  • 2006 International Conference on Computer & Information Science (ICIS)


2018 IEEE 11th Conference on Service-Oriented Computing and Applications (SOCA)

Development of robust and high-quality intelligent Internet-scale distributed applications.Extensive research and development in the past few years has pushed SOC technology intostate-of-the-art applications in emerging areas such as Cloud computing, Internet-of-Things(IoT), Machine-to-Machine (M2M) communication, Cyber-Physical Systems (CPSs), Mobile-Edge Computing, Social computing as well as mobile and enterprise systems.

  • 2017 IEEE 10th Conference on Service-Oriented Computing and Applications (SOCA)

    Development of robust and high-quality intelligent Internet-scale distributed applications. Extensive research and development in the past few years has pushed SOC technology into state-of-the-art applications in emerging areas such as Cloud computing, Internet-of-Things (IoT), Machine-to-Machine (M2M) communication, Cyber-Physical Systems (CPSs), Mobile-Edge Computing, Social computing as well as mobile and enterprise systems.

  • 2016 IEEE 9th Conference on Service-Oriented Computing and Applications (SOCA)

    Service-oriented computing (SOC) is considered today a key enabler for the development of robust and high-quality intelligent Internet-scale distributed applications. Extensive research and development in the past few years has pushed SOC technology into state-of-the-art applications in emerging areas such as Cloud computing, Internet-of-Things (IoT), Machine-to-Machine (M2M) communication, Cyber-Physical Systems (CPSs), Mobile-Edge Computing, Social computing as well as mobile and enterprise systems. However, many of the critical components on building reliable, robust, and user-centric, cloud-based service-oriented architecture applications and systems are still open for research. Hence, it is time to face new service-oriented architecture (SOA) research opportunities by addressing new research challenges on emerging applications domains like smart cities, smart logistics, smart factories and e-Health, just to mention a few.

  • 2015 IEEE 8th International Conference on Service-Oriented Computing and Applications (SOCA)

    Service-oriented computing is a key technology for the development of robust and high quality intelligent Internet-scale distributed and embedded applications. Extensive research and development in the past few years has pushed SOA technology into state-of-the-art applications in emerging areas such as Internet-of-Things (IoTs), Machine-to-Machine (M2M), cyber-physical systems (CPS), as well as mobile and enterprise systems.

  • 2014 IEEE 7th International Conference on Service-Oriented Computing and Applications (SOCA)

    The conference is interested in research results related to the development of robust and high quality intelligent distributed and smart service applications. Research and development activities using the SOA technology may include the state-of-the-art application areas such as context-aware, cloud-connected, mobile enterprise systems. Many of the critical components on building reliable, robust, and user-centric sensor-based systems are important for future SOA applications and within the scope of this conference.

  • 2013 IEEE 6th International Conference on Service-Oriented Computing and Applications (SOCA)

    SOA technology for context-aware, cloud-connected, mobile enterprise systems, including large-scale cyber-physical systems services on largely distributed, heterogeneous and dynamic resource environments

  • 2012 5th IEEE International Conference on Service-Oriented Computing and Applications (SOCA)

    With the ever-increasing complexity of computing systems, service-oriented computing (SOC) is considered today as a key technology for the development of robust and high quality distributed applications. Extensive research and development in the past few years has pushed SOC technology into numerous application areas including business processes, high-performance computing, web-based services, embedded systems, and many others. With more and more services being moved into the 'cloud', and the increasing prevalence of ubiquitous end devices that interface with physical world, it is timely to reexamine the directions of SOC research and identify new research opportunities and challenges.

  • 2011 IEEE International Conference on Service-Oriented Computing and Applications (SOCA)

    SOCA'11 provides an international forum for researchers from multiple disciplines to exchange and share their experiences, ideas, and latest research results on all aspects of service-oriented computing.

  • 2010 IEEE International Conference on Service-Oriented Computing and Applications (SOCA)

    SOCA'10 provides an international forum for researchers from multiple disciplines to exchange and share their experiences, ideas, and latest research results on all aspects of service-oriented computing.

  • 2009 IEEE International Conference on Service-Oriented Computing and Applications (SOCA)

    Service-oriented computing (SOC) is considered as a key technology to combat the complexity for developing robust and high quality applications. SOCA'09 provides an international forum for researchers from multiple disciplines to exchange and share their experiences, new ideas, and latest research results on all aspects of service-oriented computing.

  • 2007 IEEE International Conference on Service-Oriented Computing and Applications (SOCA)


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Periodicals related to IEEE Transactions on Services Computing

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Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.


Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Automation Science and Engineering, IEEE Transactions on

The IEEE Transactions on Automation Sciences and Engineering (T-ASE) publishes fundamental papers on Automation, emphasizing scientific results that advance efficiency, quality, productivity, and reliability. T-ASE encourages interdisciplinary approaches from computer science, control systems, electrical engineering, mathematics, mechanical engineering, operations research, and other fields. We welcome results relevant to industries such as agriculture, biotechnology, healthcare, home automation, maintenance, manufacturing, pharmaceuticals, retail, ...


Biomedical Circuits and Systems, IEEE Transactions on

The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


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Most published Xplore authors for IEEE Transactions on Services Computing

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Xplore Articles related to IEEE Transactions on Services Computing

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Analysis of the comments on “Identity-Based Distributed Provable Data Possession in Multicloud Storage”

IEEE Transactions on Services Computing, None

In 2016, Peng et al. pointed out in the literature (IEEE Transactions on Services Computing, Vol. 9, No. 6, Nov./Dec. 2016) that Wang's identity-based provable data possessing scheme ID-DPDP(IEEE Transactions on Services Computing, vol. 8, no. 2, pp. 328-340, Mar./Apr. 2015) has security vulnerability, and Peng et al. offered the remedy solutions. Unfortunately, we demonstrate that Peng et al.'s method ...


Comments on “Identity-Based Distributed Provable Data Possession in Multicloud Storage”

IEEE Transactions on Services Computing, 2016

In 2015, Wang proposed the first identity-based provable data possession scheme named ID-DPDP (IEEE Transactions on Services Computing, vol. 8, no. 2, pp. 328-340, Mar./Apr. 2015) to verify outsourced data publicly without the implementation of PKI. Unfortunately, in this letter, we demonstrate that this scheme is insecure in the sense that cloud servers can generate valid proofs without possessing the ...


Comments on a Public Auditing Mechanism for Shared Cloud Data Service

IEEE Transactions on Services Computing, 2015

Recently, a public auditing protocol for shared data called Panda (IEEE Transactions on Services Computing, doi: 10.1109/TSC.2013.2295611) was proposed to ensure the correctness of the outsourced data. A distinctive feature of Panda is the support of data sharing and user revocation. Unfortunately, in this letter, we show that Panda is insecure in the sense that a cloud server can hide ...


A monitoring data set for evaluating QoS-aware service-based systems

2012 4th International Workshop on Principles of Engineering Service-Oriented Systems (PESOS), 2012

Research in service-oriented computing traditionally struggles with the absence of public cases and data sets for evaluating and comparing research results. This is particularly evident for QoS-aware service-based computing, where public and widely accepted QoS traces would help to strengthen the fair comparison of QoS-aware automated composition and QoS prediction approaches. In this paper, we present one public data set ...


Probabilistic QoS and Soft Contracts for Transaction-Based Web Services Orchestrations

IEEE Transactions on Services Computing, 2008

Service level agreements (SLAs), or contracts, have an important role in Web services. They define the obligations and rights between the provider of a Web service and its client, about the function and the quality of the service (QoS). For composite services like orchestrations, contracts are deduced by a process called QoS contract composition, based on contracts established between the ...


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Educational Resources on IEEE Transactions on Services Computing

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IEEE-USA E-Books

  • Analysis of the comments on “Identity-Based Distributed Provable Data Possession in Multicloud Storage”

    In 2016, Peng et al. pointed out in the literature (IEEE Transactions on Services Computing, Vol. 9, No. 6, Nov./Dec. 2016) that Wang's identity-based provable data possessing scheme ID-DPDP(IEEE Transactions on Services Computing, vol. 8, no. 2, pp. 328-340, Mar./Apr. 2015) has security vulnerability, and Peng et al. offered the remedy solutions. Unfortunately, we demonstrate that Peng et al.'s method also has a security loophole that malicious cloud servers can produce valid proof information without original data.Accordingly, we provide a revised solution to the problem while preserving the security features of the ID-DPDP.

  • Comments on “Identity-Based Distributed Provable Data Possession in Multicloud Storage”

    In 2015, Wang proposed the first identity-based provable data possession scheme named ID-DPDP (IEEE Transactions on Services Computing, vol. 8, no. 2, pp. 328-340, Mar./Apr. 2015) to verify outsourced data publicly without the implementation of PKI. Unfortunately, in this letter, we demonstrate that this scheme is insecure in the sense that cloud servers can generate valid proofs without possessing the original data blocks. We also show another security issue in this scheme which leads to some data blocks can never be verified unless all the data blocks are challenged. Meanwhile, we provide solutions to these problems while preserving the security features of the original scheme.

  • Comments on a Public Auditing Mechanism for Shared Cloud Data Service

    Recently, a public auditing protocol for shared data called Panda (IEEE Transactions on Services Computing, doi: 10.1109/TSC.2013.2295611) was proposed to ensure the correctness of the outsourced data. A distinctive feature of Panda is the support of data sharing and user revocation. Unfortunately, in this letter, we show that Panda is insecure in the sense that a cloud server can hide data loss without being detected. Specifically, we show that even some stored file blocks have been lost, the server is able to generate a valid proof by replacing a pair of lost data block and its signature with another block and signature pair. We also provide a solution to the problem while preserving all the desirable features of the original protocol.

  • A monitoring data set for evaluating QoS-aware service-based systems

    Research in service-oriented computing traditionally struggles with the absence of public cases and data sets for evaluating and comparing research results. This is particularly evident for QoS-aware service-based computing, where public and widely accepted QoS traces would help to strengthen the fair comparison of QoS-aware automated composition and QoS prediction approaches. In this paper, we present one public data set produced for the evaluation of a contribution to the IEEE Transactions on Services Computing journal. We briefly introduce the background story of the use case and describe our monitored data set. We hope that this data set can serve as a basis for evaluation of future research papers from other authors.

  • Probabilistic QoS and Soft Contracts for Transaction-Based Web Services Orchestrations

    Service level agreements (SLAs), or contracts, have an important role in Web services. They define the obligations and rights between the provider of a Web service and its client, about the function and the quality of the service (QoS). For composite services like orchestrations, contracts are deduced by a process called QoS contract composition, based on contracts established between the orchestration and the called Web services. Contracts are typically stated as hard guarantees (e.g., response time always less than 5 msec). Using hard bounds is not realistic, however, and more statistical approaches are needed. In this paper we propose using soft probabilistic contracts instead, which consist of a probability distribution for the considered QoS parameter- in this paper, we focus on timing. We show how to compose such contracts, to yield a global probabilistic contract for the orchestration. Our approach is implemented by the TOrQuE tool. Experiments on TOrQuE show that overly pessimistic contracts can be avoided and significant room for safe overbooking exists. An essential component of SLA management is then the continuous monitoring of the performance of called Web services, to check for violations of the SLA. We propose a statistical technique for run-time monitoring of soft contracts.

  • On Cyber Risk Management of Blockchain Networks: A Game Theoretic Approach

    Open-access blockchains based on proof-of-work protocols have gained tremendous popularity for their capabilities of providing decentralized tamper-proof ledgers and platforms for data-driven autonomous organization. Nevertheless, the proof-of-work based consensus protocols are vulnerable to cyber-attacks, e.g., doule-spending. In this paper, we propose a novel approach of cyber risk management for blockchain-based service. Particularly, we adopt the cyber-insurance as an economic tool for neutralizing cyber risks in blockchain networks. We consider a blockchain service market, which is composed of the infrastructure provider, blockchain provider, cyber-insurer, and users. The blockchain provider purchases the computing resources from the infrastructure provider to maintain the blockchain consensus, and then offers blockchain services to the users. The blockchain provider strategizes its investment in the infrastructure and the service price charged to the users, in order to improve the security of the blockchain and thus optimize its profit. Meanwhile, the blockchain provider also purchases a cyber-insurance to protect itself from the potential damage of the double-spending attacks. In return, the cyber-insurer adjusts the premium according to the perceived risk level of the blockchain service. Based on the rationality for the market entities, we model the interaction among the blockchain provider, cyber- insuer, and users as a two-level Stackelberg game.

  • Uncertainty-Aware Online Scheduling for Real-Time Workflows in Cloud Service Environment

    Scheduling workflows in cloud service environment has attracted great enthusiasm, and various approaches have been reported up to now. However, these approaches often ignored the uncertainties in the scheduling environment. Ignoring these uncertain factors often leads to the violation of workflow deadlines and increases service renting costs of executing workflows. This study devotes to improving the performance for cloud service platforms by minimizing uncertainty propagation in scheduling workflow applications that have both uncertain task execution time and data transfer time. To be specific, a novel scheduling architecture is designed to control the count of workflow tasks directly waiting on each service instance (e.g., virtual machine). Based on this architecture, we develop an unceRtainty-aware Online Scheduling Algorithm (ROSA) to schedule dynamic and multiple workflows with deadlines. The proposed ROSA skillfully integrates both the proactive and reactive strategies. Then, on the basis of real-world workflow traces, five groups of simulation experiments are carried out to compare ROSA with five typical algorithms. The comparison results reveal that ROSA performs better than the five compared algorithms with respect to costs (up to 56%), deviation (up to 70%), resource utilization (up to 37%) and fairness (up to 37).

  • CoopFlow: A Bottom-Up Approach to Workflow Cooperation for Short-Term Virtual Enterprises

    In a context of short-term cooperation, enterprises with complementary skills are dynamically interconnected according to their needs. To deal with requirements in a such cooperation, we present in this paper CoopFlow that aims at providing a useful artifact for preservation of the privacy of workflows partners, pre-established workflows and pre-established workflow management systems. CoopFlow consists of three steps: workflow abstraction and advertisement, workflow matching and interconnection, and workflow cooperation. To preserve the privacy of partners, the first step of the approach includes an abstraction procedure allowing a partial visibility of the partners' workflows. The second step consists of interconnecting existing workflows of partners with complementary skills attributing to a matching procedure that allows checking both behaviors and business semantics of partners' workflows. Finally, the last step of CoopFlow consists of controlling the inter-enterprise workflows cooperation allowing cooperation partners to integrate the existing workflows and to check whenever they can cooperate and change their partners, which frequently leads to support spontaneous, dynamic and short-term cooperation. With this intention, we developed a platform that manages inter-operability by integrating pre- established workflow management systems. The proof of concept is provided by integrating three heterogeneous and open workflow management systems to the CoopFlow platform.

  • Effective Web Service Composition in Diverse and Large-Scale Service Networks

    The main research focus of Web services is to achieve the interoperability between distributed and heterogeneous applications. Therefore, flexible composition of Web services to fulfill the given challenging requirements is one of the most important objectives in this research field. However, until now, service composition has been largely an error-prone and tedious process. Furthermore, as the number of available web services increases, finding the right Web services to satisfy the given goal becomes intractable. In this paper, toward these issues, we propose an AI planning-based framework that enables the automatic composition of Web services, and explore the following issues. First, we formulate the Web-service composition problem in terms of AI planning and network optimization problems to investigate its complexity in detail. Second, we analyze publicly available Web service sets using network analysis techniques. Third, we develop a novel Web-service benchmark tool called WSBen. Fourth, we develop a novel AI planning-based heuristic Web- service composition algorithm named WSPR. Finally, we conduct extensive experiments to verify WSPR against state-of-the-art AI planners. It is our hope that both WSPR and WSBen will provide useful insights for researchers to develop Web-service discovery and composition algorithms, and software.

  • Discovering Homogeneous Web Service Community in the User-Centric Web Environment

    The Web has undergone a tremendous change toward a highly user-centric environment. Millions of users can participate and collaborate for their own interests and benefits. Services computing paradigm together with the proliferation of Web services have created great potential opportunities for the users, also known as service consumers, to produce value-added services by means of service discovery and composition. In this paper, we propose an efficient approach to facilitating the service consumer on discovering Web services. First, we analyze the service discovery requirements from the service consumer's perspective and outline a conceptual model of homogeneous Web service communities. The homogeneous service community contains two types of discovery: the search of similar operations and that of composible operations. Second, we describe a similarity measurement model for Web services by leveraging the metadata from WSDL, and design a graph-based algorithm to support both of the two discovery types. Finally, adopting the popular atom feeds, we design a prototype to facilitate the consumers to discover while subscribing Web services in an easy-of-use manner. With the experimental evaluation and prototype demonstration, our approach not only alleviates the consumers from time-consuming discovery tasks but also lowers their entry barrier in the user-centric Web environment.



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