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An Exploratory Study of Web Services on the Internet Internet上Web服务的探索性研究
IEEE International Conference on Web Services (ICWS 2007) Pub Date : 2007-07-09 DOI: 10.1109/ICWS.2007.37
Yan Li, Yao Liu, Liangjie Zhang, Ge Li, Bing Xie, Jiasu Sun
{"title":"An Exploratory Study of Web Services on the Internet","authors":"Yan Li, Yao Liu, Liangjie Zhang, Ge Li, Bing Xie, Jiasu Sun","doi":"10.1109/ICWS.2007.37","DOIUrl":"https://doi.org/10.1109/ICWS.2007.37","url":null,"abstract":"Web services technology has received much attention in the last few years, and a lot of research efforts have been devoted to utilizing services on the Internet to fulfill consumers' requirements. However, little research has been done on the current status of web services on the Internet, which has a great impact on current research. Enlightened by this situation, we made an exploratory study of the current status of web services on the Internet. Our study mainly focused on the investigation of four aspects, including the number, complexity, quality of description and the function diversity of available web services on the Internet. A web services investigation system is built up to harvest web services from the Internet and calculate the statistical results. The investigation results are reported in this paper, and, based on our study, the development trend of web services technology is also discussed in this paper.","PeriodicalId":208234,"journal":{"name":"IEEE International Conference on Web Services (ICWS 2007)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124810530","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: 60
Entrepreneurial View of Automated Process Composition 自动化过程组合的企业观点
IEEE International Conference on Web Services (ICWS 2007) Pub Date : 2007-07-09 DOI: 10.1109/ICWS.2007.87
Thomas Keller, Thomas Marko, R. Riedl
{"title":"Entrepreneurial View of Automated Process Composition","authors":"Thomas Keller, Thomas Marko, R. Riedl","doi":"10.1109/ICWS.2007.87","DOIUrl":"https://doi.org/10.1109/ICWS.2007.87","url":null,"abstract":"For some, the ultimate goal of the semantic web service initiative is automated interoperation and process composition. Research activity is intense in this field and many approaches have been published and discussed in Academia. However, the predominant view is focused on technical issues, although the business aspects seem to be equally important. The introduction of interoperation and process composition is complex and has a great impact on the enterprise and its value chain network. Hence, industrial scale business cases are missing, a significant drawback that is preventing new technologies from entering the market. A fundamental problem in defining a business case is the lack of a conceptual framework. We need a model of the various factors that influence the enterprise and its value chain network when automated process composition is introduced. This paper presents such a framework, which may be a help in identifying future business cases and in attracting business partners.","PeriodicalId":208234,"journal":{"name":"IEEE International Conference on Web Services (ICWS 2007)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130356564","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: 0
Concurrency Issues in Automating RTS for Web Services Web服务自动化RTS中的并发性问题
IEEE International Conference on Web Services (ICWS 2007) Pub Date : 2007-07-09 DOI: 10.1109/ICWS.2007.65
Michael Ruth, S. Tu
{"title":"Concurrency Issues in Automating RTS for Web Services","authors":"Michael Ruth, S. Tu","doi":"10.1109/ICWS.2007.65","DOIUrl":"https://doi.org/10.1109/ICWS.2007.65","url":null,"abstract":"Regression testing (RT), testing software with previously used test cases, is a mainstream practice in software maintenance. Regression test selection (RTS) is to reduce the number of tests which need to be retested. Safe RTS techniques add the assurance that no modification-revealing test case will be left unselected. Several effective safe RTS techniques were developed for traditional applications, but none of them can be directly applied to Web services, even though there have been RT tools and techniques for Web services test-case generation, and ranking competing services. We have developed an approach to adapt Rothermel and Harrold's safe RTS technique to Web services. This approach was designed to be automated. In doing so, we have recognized a set of challenging issues that arise as a result of multiple concurrent modifications in distributed, autonomous, but still interconnected services. We believe not only these issues are common to any automated RTS approach, the needs for the solutions to these issues will also become more and more keen as composite Web services are getting more and more ubiquitous.","PeriodicalId":208234,"journal":{"name":"IEEE International Conference on Web Services (ICWS 2007)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127977274","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
Delivering Promises for Web Services Applications 为Web服务应用程序交付承诺
IEEE International Conference on Web Services (ICWS 2007) Pub Date : 2007-07-09 DOI: 10.1109/ICWS.2007.70
Julian Jang, A. Fekete, P. Greenfield
{"title":"Delivering Promises for Web Services Applications","authors":"Julian Jang, A. Fekete, P. Greenfield","doi":"10.1109/ICWS.2007.70","DOIUrl":"https://doi.org/10.1109/ICWS.2007.70","url":null,"abstract":"Among the problems facing designers of complex multi-participant Web services-based applications is dealing with the consequences of the lack of suitable isolation mechanisms. This deficiency means that concurrent applications can interfere with each other, resulting in race conditions and lost updates. This paper considers a proposed solution to this problem based on 'promises' and shows that this model can be implemented in practice. We consider implementation issues that need to be handled in promise-based systems and discuss a proof of concept prototype that supports promise-based isolation without requiring changes to existing applications and resources.","PeriodicalId":208234,"journal":{"name":"IEEE International Conference on Web Services (ICWS 2007)","volume":"127 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130501206","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: 15
Personalized QoS Prediction forWeb Services via Collaborative Filtering 基于协同过滤的web服务个性化QoS预测
IEEE International Conference on Web Services (ICWS 2007) Pub Date : 2007-07-09 DOI: 10.1109/ICWS.2007.140
Lingshuang Shao, Jing Zhang, Yong Wei, Junfeng Zhao, Bing Xie, Hong Mei
{"title":"Personalized QoS Prediction forWeb Services via Collaborative Filtering","authors":"Lingshuang Shao, Jing Zhang, Yong Wei, Junfeng Zhao, Bing Xie, Hong Mei","doi":"10.1109/ICWS.2007.140","DOIUrl":"https://doi.org/10.1109/ICWS.2007.140","url":null,"abstract":"Many researchers propose that, not only functional but also non-functional properties, also known as quality of service (QoS), should be taken into consideration when consumers select services. Consumers need to make prediction on quality of unused web services before selecting. Usually, this prediction is based on other consumers' experiences. Being aware of different QoS experiences of consumers, this paper proposes a collaborative filtering based approach to making similarity mining and prediction from consumers' experiences. Experimental results demonstrate that this approach can make significant improvement on the effectiveness of QoS prediction for web services.","PeriodicalId":208234,"journal":{"name":"IEEE International Conference on Web Services (ICWS 2007)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130507222","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: 463
Automatic Message Flow Analyses for Web Services Based on WSDL 基于WSDL的Web服务自动消息流分析
IEEE International Conference on Web Services (ICWS 2007) Pub Date : 2007-07-09 DOI: 10.1109/ICWS.2007.53
Li Li, W. Chou
{"title":"Automatic Message Flow Analyses for Web Services Based on WSDL","authors":"Li Li, W. Chou","doi":"10.1109/ICWS.2007.53","DOIUrl":"https://doi.org/10.1109/ICWS.2007.53","url":null,"abstract":"This paper describes an approach to discover and verify two fundamental relationships in web service message exchange flow patterns, i.e. support and correlate, based on the abstract WSDL specification of the service operations. Compared to methods used in previous studies, this approach is a significant improvement in that flow chain relations can be discovered and identified based on flexible and inexact match of XML Schemas using differential information in plain WSDL and XML Schema files. This approach is also efficient and extensible as it is based on a tree model of schemas and modular node equivalence rules. Pilot experiments on some web services standards, e.g. WS-Session, WS- Eventing, Parley X, etc., indicated that the proposed method is accurate and effective in identifying the message flow dependencies and related issues in service descriptions. The derived flow pattern relations can be represented as Petri nets that have some practical applications for web service verification, implementation and consumption.","PeriodicalId":208234,"journal":{"name":"IEEE International Conference on Web Services (ICWS 2007)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128967296","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
User Tasks and Access Control overWeb Services web服务的用户任务和访问控制
IEEE International Conference on Web Services (ICWS 2007) Pub Date : 2007-07-09 DOI: 10.1109/ICWS.2007.182
Jacques Thomas, F. Paci, E. Bertino, P. Eugster
{"title":"User Tasks and Access Control overWeb Services","authors":"Jacques Thomas, F. Paci, E. Bertino, P. Eugster","doi":"10.1109/ICWS.2007.182","DOIUrl":"https://doi.org/10.1109/ICWS.2007.182","url":null,"abstract":"Web services are a successful technology for enterprise information management, where they are used to expose legacy applications on the corporate intranet or in business-to-business scenarios. The technologies used to expose applications as Web services have matured, stabilized, and are defined as W3C standards. Now, the technology used to build applications based on Web services, a process known as orchestration, is also maturing around the Web Services Business Process Execution Language (WS-BPEL). WS-BPEL falls short on one feature though: as it is focused on orchestration of fully automatic Web-services, WS- BPEL does not provide means for specifying human interactions, even less their access-control requirements. Human interactions are nonetheless needed for flexible business processes. This lacking feature of WS-BPEL has been highlighted in a white paper issued jointly by IBM and SAP, which \"describes scenarios where users are involved in business processes, and defines appropriate extensions to WS-BPEL to address these.\" These extensions, called BPEL4People, are well explained, but their implementation isn't. In this paper, we propose a language for specifying these extensions, as well as an architecture to support them. The salient advantage of our architecture is that it allows for the reuse of existing BPEL engines. In addition, our language allows for specifying these extensions within the main BPEL script, hence preserving a global view of the process. We illustrate our extensions by revisiting the classic loan approval BPEL example.","PeriodicalId":208234,"journal":{"name":"IEEE International Conference on Web Services (ICWS 2007)","volume":"106 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130645461","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: 26
A Platform for Context Aware Runtime Web Service Discovery 上下文感知运行时Web服务发现平台
IEEE International Conference on Web Services (ICWS 2007) Pub Date : 2007-07-09 DOI: 10.1109/ICWS.2007.9
G. Spanoudakis, K. Mahbub, A. Zisman
{"title":"A Platform for Context Aware Runtime Web Service Discovery","authors":"G. Spanoudakis, K. Mahbub, A. Zisman","doi":"10.1109/ICWS.2007.9","DOIUrl":"https://doi.org/10.1109/ICWS.2007.9","url":null,"abstract":"In this paper we describe a platform that supports context aware runtime service discovery. The platform supports service discovery based on structural and behavioural service models as well as complex context related service discovery conditions which are specified in a newly introduced query language. During discovery, context information is obtained through a uniform scheme of calling \"context operations\" and is subsequently used in the evaluation of service discovery queries.","PeriodicalId":208234,"journal":{"name":"IEEE International Conference on Web Services (ICWS 2007)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125290581","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: 39
On Demand Network and Application Provisioning ThroughWeb Services 通过web服务按需提供网络和应用程序
IEEE International Conference on Web Services (ICWS 2007) Pub Date : 2007-07-09 DOI: 10.1109/ICWS.2007.135
Sandy Liu, Yong Liang, Bo Xu, Libo Zhang, B. Spencer, Martin Brooks
{"title":"On Demand Network and Application Provisioning ThroughWeb Services","authors":"Sandy Liu, Yong Liang, Bo Xu, Libo Zhang, B. Spencer, Martin Brooks","doi":"10.1109/ICWS.2007.135","DOIUrl":"https://doi.org/10.1109/ICWS.2007.135","url":null,"abstract":"While most service-oriented solutions are developed for system integration or data integration, we propose a Web services-based solution, Eucalyptus, for provisioning applications and networks on demand. Eucalyptus is built on the power of the user-controlled lightpath provisioning (UCLP) tool, which pioneers a user-centric and service-oriented approach for creating and managing a private end-to-end optical network. As a first user of UCLP, Eucalyptus aims to construct an participatory environment for geographically distributed teams of architects and industrial designers with the with the support of configurable broadband switched networks, as well as the traditional routed IP networks. The contribution of Eucalyptus is to provide a proof-of-concept example on how Web service and service-oriented architecture (SoA) can effectively provide on-demand provisioning for heterogenous resources in hybrid networks. These resources can be provisioned, launched, monitored, terminated, and reserved through Web services. Eucalyptus is network and platform neutral. It offers a single point of entry for users to access resources ranging from video conference applications, rendering clusters, to the underlying networks. Each resource is configured through a resource-specific Web service. Eucalyptus also includes a set of generic management Web services to coordinate sessions, to manage resources and users, and to compose workflows, such that the network and the application are properly configured for the users engaging in a participatory design session.","PeriodicalId":208234,"journal":{"name":"IEEE International Conference on Web Services (ICWS 2007)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114191365","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
A Practical Approach to Web Service Discovery and Retrieval Web服务发现与检索的实用方法
IEEE International Conference on Web Services (ICWS 2007) Pub Date : 2007-07-09 DOI: 10.1109/ICWS.2007.12
C. Atkinson, P. Bostan, Oliver Hummel, Dietmar Stoll
{"title":"A Practical Approach to Web Service Discovery and Retrieval","authors":"C. Atkinson, P. Bostan, Oliver Hummel, Dietmar Stoll","doi":"10.1109/ICWS.2007.12","DOIUrl":"https://doi.org/10.1109/ICWS.2007.12","url":null,"abstract":"One of the fundamental pillars of the Web service vision is a brokerage system that enables services to be published to a searchable repository and later retrieved by potential users. This is the basic motivation for the UDDI standard, one of the three standards underpinning current Web service technology. However, this aspect of the technology has been the least successful, and the few Web sites that today attempt to provide a Web service brokerage facility do so using a simple cataloguing approach rather than UDDI. In this paper we analyze why the brokerage aspect of the Web service vision has proven so difficult to realize in practice and outline the technical difficulties involved in setting up and maintaining useful repositories of Web services. We then describe a pragmatic approach to web service brokerage based on automated indexing and discuss the required technological foundations. We also suggest some ideas for improving the existing standards to better support this approach and Web service searching in general.","PeriodicalId":208234,"journal":{"name":"IEEE International Conference on Web Services (ICWS 2007)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123916425","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: 87
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