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2006 IEEE International Conference on Web Services (ICWS'06)最新文献

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DSCWeaver: Synchronization-Constraint Aspect Extension to Procedural Process Specification Languages 过程过程规范语言的同步约束方面扩展
2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI: 10.4018/jwsr.2008070105
Qinyi Wu, C. Pu, Akhil Sahai, R. Barga
{"title":"DSCWeaver: Synchronization-Constraint Aspect Extension to Procedural Process Specification Languages","authors":"Qinyi Wu, C. Pu, Akhil Sahai, R. Barga","doi":"10.4018/jwsr.2008070105","DOIUrl":"https://doi.org/10.4018/jwsr.2008070105","url":null,"abstract":"BPEL is emerging as an open-standards language for Web service composition. However, its procedural style can lead to inflexible and tangled code for managing a crosscutting aspect - synchronization constraints that define permissible sequences of execution for activities in a process. In this paper, we present DSCWeaver, a tool that enables a synchronization-aspect extension to BPEL. It uses DSCL, a synchronization expression language, to specify constraints. DSCL has the desirable features of declarative syntax, fine granularity, and validation support. A designer can use DSCL to describe and validate the synchronization behavior and rely on DSCWeaver to generate BPEL code. We demonstrate the advantages of our approach in a service deployment process and evaluate its performance using two metrics: lines of code (LoC) and places to visit (PtV). Evaluation results show that our approach can effectively reduce development effort of process designers while providing performance competitive to un-woven BPEL code","PeriodicalId":408032,"journal":{"name":"2006 IEEE International Conference on Web Services (ICWS'06)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115134235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Measuring Privacy Protection in Web Services 衡量Web服务中的隐私保护
2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI: 10.1109/ICWS.2006.87
George Yee
{"title":"Measuring Privacy Protection in Web Services","authors":"George Yee","doi":"10.1109/ICWS.2006.87","DOIUrl":"https://doi.org/10.1109/ICWS.2006.87","url":null,"abstract":"The growth of the Internet has been accompanied by the growth of Web services (e.g. e-commerce, e-health) leading to the need to protect the personal privacy of Web service users. However, it is also important to be able to measure a Web service in terms of how well it protects personal privacy. Such a capability would benefit both users and developers. Users would benefit from being able to choose (assuming that such measures were made public) the service that has the greatest ability to protect user privacy (this would in turn encourage Web service providers to pay more attention to privacy). Developers would benefit by being able to incrementally measure and modify their services during development until certain target levels of privacy protection are reached. This paper presents an approach for measuring how well a Web service protects personal privacy and illustrates the approach with an example","PeriodicalId":408032,"journal":{"name":"2006 IEEE International Conference on Web Services (ICWS'06)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114426025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
QoS Explorer: A Tool for Exploring QoS in Composed Services QoS Explorer:用于探索组合服务中的QoS的工具
2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI: 10.1109/ICWS.2006.108
Conrad Hughes, J. Hillman
{"title":"QoS Explorer: A Tool for Exploring QoS in Composed Services","authors":"Conrad Hughes, J. Hillman","doi":"10.1109/ICWS.2006.108","DOIUrl":"https://doi.org/10.1109/ICWS.2006.108","url":null,"abstract":"This paper presents QoS explorer, an interactive tool we have developed which predicts quality of service (QoS) of a workflow from the QoS characteristics of its constituents, even when the relationships involved are complex. This facilitates design and instantiation of workflows to satisfy QoS constraints, as it enables the user to discover and focus effort on the aspects of a workflow which most affect their primary QoS concerns, thus improving efficiency of workflow development. Further, the underlying model we use is more sophisticated than those of similar recent work (Jaeger et al., 2005; Ardagna and Pernici, 2005; Menasce, 2004), and includes processing of entire statistical distributions and probabilistic states (instead of the simple numeric constants used elsewhere) to model such non-constant variables as execution time","PeriodicalId":408032,"journal":{"name":"2006 IEEE International Conference on Web Services (ICWS'06)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114992280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Decomposition and Abstraction of Web Applications for Web Service Extraction and Composition 面向Web服务提取与组合的Web应用分解与抽象
2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI: 10.1109/ICWS.2006.49
Michiaki Tatsubori, Kenichi Takashi
{"title":"Decomposition and Abstraction of Web Applications for Web Service Extraction and Composition","authors":"Michiaki Tatsubori, Kenichi Takashi","doi":"10.1109/ICWS.2006.49","DOIUrl":"https://doi.org/10.1109/ICWS.2006.49","url":null,"abstract":"There are large demands for re-engineering human-oriented Web application systems for use as machine-oriented Web application systems, which are called Web services. This paper describes a framework named H2W, which can be used for constructing Web service wrappers from existing, multi-paged Web applications. H2Ws contribution is mainly for service extraction, rather than for the widely studied problem of data extraction. For the framework, we propose a page-transition-based decomposition model and a page access abstraction model with context propagation. With the proposed decomposition and abstraction, developers can flexibly compose a Web service wrapper of their intent by describing a simple workflow program incorporating the advantages of previous work on Web data extraction. We show three successful wrapper application examples with H2W for real world Web applications","PeriodicalId":408032,"journal":{"name":"2006 IEEE International Conference on Web Services (ICWS'06)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115196574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
A Service-Oriented Trust Management Model on Application Server 应用服务器上面向服务的信任管理模型
2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI: 10.1109/ICWS.2006.14
Minghui Zhou, Hong Mei
{"title":"A Service-Oriented Trust Management Model on Application Server","authors":"Minghui Zhou, Hong Mei","doi":"10.1109/ICWS.2006.14","DOIUrl":"https://doi.org/10.1109/ICWS.2006.14","url":null,"abstract":"In the service-oriented architecture, the components deployed on application servers are published as Web services. Though many researches focus on how to authorize at the Web service level currently, there is little work involving the authorization gap between the service and its component implementation. This paper tries to bridge the gap by proposing a service-oriented trust management model, which expands the application server's capability to deal with more complex trust relationship between service users and services, and supplies a flexible trust management mechanism to integrate authentication and authorization together. Moreover, the model provides a finer granularity access control, sustains delegation between users, and has a certain extent reasoning capability. The model has been implemented in a J2EE application server, and the experiment has demonstrated that the model has high flexibility and scalability","PeriodicalId":408032,"journal":{"name":"2006 IEEE International Conference on Web Services (ICWS'06)","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121452145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Towards a Reliable Distributed Web Service Execution Engine 迈向可靠的分布式Web服务执行引擎
2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI: 10.1109/ICWS.2006.131
Xinfeng Ye
{"title":"Towards a Reliable Distributed Web Service Execution Engine","authors":"Xinfeng Ye","doi":"10.1109/ICWS.2006.131","DOIUrl":"https://doi.org/10.1109/ICWS.2006.131","url":null,"abstract":"This paper presents an approach for providing a reliable distributed Web service execution engine. Instead of using a Web service execution engine running on a single host to conduct the execution of a composite service, the responsibility of conducting the execution of the composite service has been delegated to the service providers that are chosen to provide the main functionalities of the tasks in the composite service. The operations of the tasks are represented as a set of XML-based notations. The notations are platform independent. Thus, they can be (a) retrieved by service providers based on different platforms, and, (b) interpreted and executed by the service providers. The approach also provides a mechanism for coping with possible failure in the system","PeriodicalId":408032,"journal":{"name":"2006 IEEE International Conference on Web Services (ICWS'06)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124394584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
A Lightweight Software Design Process for Web Services Workflows Web服务工作流的轻量级软件设计过程
2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI: 10.1109/ICWS.2006.8
M. Brian Blake
{"title":"A Lightweight Software Design Process for Web Services Workflows","authors":"M. Brian Blake","doi":"10.1109/ICWS.2006.8","DOIUrl":"https://doi.org/10.1109/ICWS.2006.8","url":null,"abstract":"Service-oriented computing (SOC) suggests that many open, network-accessible services will be available over the Internet for organizations to incorporate into their own processes. Developing new software systems by composing an organization's local services and externally-available Web services is conceptually different from system development supported by traditional software engineering lifecycles. Consumer organizations typically have no control over the quality and/or consistency of the external services that they incorporate, thus top-down software development lifecycles are impractical. Software architects and designers will require agile, lightweight processes to evaluate tradeoffs in system design based on the \"estimated\" responsiveness of external services coupled with known performance of local services. We introduce a model-driven software engineering approach for designing systems (i.e. workflows of Web services) under these circumstances and a corresponding simulation-based evaluation tool","PeriodicalId":408032,"journal":{"name":"2006 IEEE International Conference on Web Services (ICWS'06)","volume":"16 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129129733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Transforming OWL-S Process Model into EDFA for Service Discovery 将OWL-S过程模型转换为用于服务发现的EDFA
2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI: 10.1109/ICWS.2006.134
Lihui Lei, Zhenhua Duan
{"title":"Transforming OWL-S Process Model into EDFA for Service Discovery","authors":"Lihui Lei, Zhenhua Duan","doi":"10.1109/ICWS.2006.134","DOIUrl":"https://doi.org/10.1109/ICWS.2006.134","url":null,"abstract":"Current Web services standards do not well support automatically discovering and selecting services that can be safely integrated with existing components. Semantic matching of service specifications based on the behaviors of Web services, i.e., the ways a client may interact with the service, can be used to solve the problem. Therefore, the transformation of the OWL-S process model specifying the behaviors of Web services into an extended deterministic finite state automaton (EDFA) is presented in this paper. The automata describe Web services in a more accurate way: the nodes represent states maintained by services; the state transitions labelled by binary-tuples (input, output) rather than letters represent communication activities of services; moreover, the automaton structures describe the temporal sequences of communication activities that represent the behaviors of Web services. The compatibility of Web services can be evaluated with testing the emptiness of the languages accepted by EDFAs","PeriodicalId":408032,"journal":{"name":"2006 IEEE International Conference on Web Services (ICWS'06)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129248671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Extensible Web Services Architecture for Notification in Large-Scale Systems 大规模系统中用于通知的可扩展Web服务体系结构
2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI: 10.1109/ICWS.2006.63
Krzysztof Ostrowski, K. Birman
{"title":"Extensible Web Services Architecture for Notification in Large-Scale Systems","authors":"Krzysztof Ostrowski, K. Birman","doi":"10.1109/ICWS.2006.63","DOIUrl":"https://doi.org/10.1109/ICWS.2006.63","url":null,"abstract":"Existing Web services notification and eventing standards are useful in many applications, but they have serious limitations precluding large-scale deployments: it is impossible to use IP multicast or for recipients to forward messages to others and scalable notification trees must be setup manually. We propose a design free of such limitations that could serve as a basis for extending or complementing these standards. The approach emerges from our prior work on QSM (Ostrowski et al., 2006), a new Web services eventing platform that can scale to extremely large environments","PeriodicalId":408032,"journal":{"name":"2006 IEEE International Conference on Web Services (ICWS'06)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121947490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 30
Static Verification of Control and Data inWeb Service Compositions web服务组合中控制和数据的静态验证
2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI: 10.1109/ICWS.2006.124
R. Kazhamiakin, M. Pistore
{"title":"Static Verification of Control and Data inWeb Service Compositions","authors":"R. Kazhamiakin, M. Pistore","doi":"10.1109/ICWS.2006.124","DOIUrl":"https://doi.org/10.1109/ICWS.2006.124","url":null,"abstract":"The data exchanged among the Web services participating to a composition are clearly very relevant for a correct behavior of the composition. Nevertheless, most of the approaches existing in the literature for the static verification of Web service compositions ignore data, or require very small ranges to be associated to the data types. In this paper, we propose an approach for the verification of Web service compositions that takes into account the dataflows among the component process. The approach exploits abstraction techniques for modeling those aspects of data that are relevant for the correctness of the composition and hiding the aspects that are irrelevant. We show that building the right abstraction corresponds to defining those assumptions on the data manipulations performed by the component services which are crucial for the correctness of the composition","PeriodicalId":408032,"journal":{"name":"2006 IEEE International Conference on Web Services (ICWS'06)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127903078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
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