Web service composition is to integrate existing web services to provide a compound service which satisfies specified requirement. However, traditional web service compositions fail to provide different compound services under various scenarios. In this paper, we propose an approach to compose services with context. A context ontology is defined to describe the scenario for user. An abstract service description is defined to describe current three kinds of services including WSDL/Restful/Web API. The goal is to correlate context and service composition to improve the quality of the compound service from real services.
{"title":"Compose Real Web Services with Context","authors":"Sen Luo, Bin Xu, Kewu Sun","doi":"10.1109/ICWS.2010.63","DOIUrl":"https://doi.org/10.1109/ICWS.2010.63","url":null,"abstract":"Web service composition is to integrate existing web services to provide a compound service which satisfies specified requirement. However, traditional web service compositions fail to provide different compound services under various scenarios. In this paper, we propose an approach to compose services with context. A context ontology is defined to describe the scenario for user. An abstract service description is defined to describe current three kinds of services including WSDL/Restful/Web API. The goal is to correlate context and service composition to improve the quality of the compound service from real services.","PeriodicalId":170573,"journal":{"name":"2010 IEEE International Conference on Web Services","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131519313","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}
This paper presents the results of a brief survey of tools for increasing the level of automation of service composition. Our main emphasis in this paper is on tools for building compound services. Tools for both non-semantic and semantic services are considered.
{"title":"Survey of the Tools for Automating Service Composition","authors":"R. Maigre","doi":"10.1109/ICWS.2010.72","DOIUrl":"https://doi.org/10.1109/ICWS.2010.72","url":null,"abstract":"This paper presents the results of a brief survey of tools for increasing the level of automation of service composition. Our main emphasis in this paper is on tools for building compound services. Tools for both non-semantic and semantic services are considered.","PeriodicalId":170573,"journal":{"name":"2010 IEEE International Conference on Web Services","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131202540","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}
The advent of mobile computing devices and development of wireless and ad-hoc networking technologies has led to growth of infrastructure-less environments. Mostly, these environments lie at the edges of Internet i.e. they are disconnected/sparsely connected to rest of the world. In order to exploit the access to such edges of Internet, we propose and experimentally evaluate an interoperability middleware that synergizes P2P technology, message queuing support and a passive distributed UDDI for Web services discovery and invocation.
{"title":"Distributed Web Services Discovery Middleware for Edges of Internet","authors":"A. Haseeb, M. Matskin, Peep Küngas","doi":"10.1109/ICWS.2010.87","DOIUrl":"https://doi.org/10.1109/ICWS.2010.87","url":null,"abstract":"The advent of mobile computing devices and development of wireless and ad-hoc networking technologies has led to growth of infrastructure-less environments. Mostly, these environments lie at the edges of Internet i.e. they are disconnected/sparsely connected to rest of the world. In order to exploit the access to such edges of Internet, we propose and experimentally evaluate an interoperability middleware that synergizes P2P technology, message queuing support and a passive distributed UDDI for Web services discovery and invocation.","PeriodicalId":170573,"journal":{"name":"2010 IEEE International Conference on Web Services","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123848687","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}
This paper proposes a hybrid concurrency control scheme for transactional composite services. The scheme uses the information gathered from the workflow specifications of the composite services to reduce the overhead in detecting cycles in the serialization graph. The scheme carries out runtime analysis of the SQL statements used by the composite services to determine whether the clients that execute composite services depend on each other more accurately. As a result, it reduces the response time to some users. The proposed scheme also tackles the repeated rollback problem facing many concurrency control schemes.
{"title":"A Hybrid Scheme for Controlling Transactional Composite Services","authors":"Xinfeng Ye, Yi Chen","doi":"10.1109/ICWS.2010.51","DOIUrl":"https://doi.org/10.1109/ICWS.2010.51","url":null,"abstract":"This paper proposes a hybrid concurrency control scheme for transactional composite services. The scheme uses the information gathered from the workflow specifications of the composite services to reduce the overhead in detecting cycles in the serialization graph. The scheme carries out runtime analysis of the SQL statements used by the composite services to determine whether the clients that execute composite services depend on each other more accurately. As a result, it reduces the response time to some users. The proposed scheme also tackles the repeated rollback problem facing many concurrency control schemes.","PeriodicalId":170573,"journal":{"name":"2010 IEEE International Conference on Web Services","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123906504","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}
Web services are becoming prevalent nowadays. Finding desired Web services is becoming an emergent and challenging research problem. In this paper, we present WSExpress (Web Service Express), a novel Web service search engine to expressively find expected Web services. WSExpress ranks the publicly available Web services not only by functional similarities to users’ queries, but also by nonfunctional QoS characteristics of Web services. WSExpress provides three searching styles, which can adapt to the scenario of finding an appropriate Web service and the scenario of automatically replacing a failed Web service with a suitable one. WSExpress is implemented by Java language and large-scale experiments employing real-world Web services are conducted. Totally 3,738 Web services (15,811 operations) from 69 countries are involved in our experiments. The experimental results show that our search engine can find Web services with the desired functional and non-functional requirements. Extensive experimental studies are also conducted on a well known benchmark dataset consisting of 1,000 Web service operations to show the recall and precision performance of our search engine.
如今，Web服务变得越来越流行。寻找所需的Web服务正在成为一个新兴的、具有挑战性的研究问题。在本文中，我们提出了一种新的Web服务搜索引擎WSExpress (Web Service Express)，用于表达地查找期望的Web服务。WSExpress不仅根据与用户查询的功能相似性对公开可用的Web服务进行排名，而且还根据Web服务的非功能QoS特征对其进行排名。WSExpress提供了三种搜索样式，可以适应寻找合适的Web服务的场景和用合适的Web服务自动替换失败的Web服务的场景。WSExpress是用Java语言实现的，并利用真实的Web服务进行了大规模的实验。来自69个国家的总共3,738个Web服务(15,811个操作)参与了我们的实验。实验结果表明，我们的搜索引擎可以找到具有所需功能和非功能需求的Web服务。我们还在一个由1,000个Web服务操作组成的著名基准数据集上进行了广泛的实验研究，以展示我们的搜索引擎的召回率和精度性能。
{"title":"WSExpress: A QoS-aware Search Engine for Web Services","authors":"Yilei Zhang, Zibin Zheng, Michael R. Lyu","doi":"10.1109/ICWS.2010.20","DOIUrl":"https://doi.org/10.1109/ICWS.2010.20","url":null,"abstract":"Web services are becoming prevalent nowadays. Finding desired Web services is becoming an emergent and challenging research problem. In this paper, we present WSExpress (Web Service Express), a novel Web service search engine to expressively find expected Web services. WSExpress ranks the publicly available Web services not only by functional similarities to users’ queries, but also by nonfunctional QoS characteristics of Web services. WSExpress provides three searching styles, which can adapt to the scenario of finding an appropriate Web service and the scenario of automatically replacing a failed Web service with a suitable one. WSExpress is implemented by Java language and large-scale experiments employing real-world Web services are conducted. Totally 3,738 Web services (15,811 operations) from 69 countries are involved in our experiments. The experimental results show that our search engine can find Web services with the desired functional and non-functional requirements. Extensive experimental studies are also conducted on a well known benchmark dataset consisting of 1,000 Web service operations to show the recall and precision performance of our search engine.","PeriodicalId":170573,"journal":{"name":"2010 IEEE International Conference on Web Services","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116919523","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}
A. Cavalli, Tien-Dung Cao, Wissam Mallouli, E. Martins, A. Sadovykh, S. Salva, Fatiha Zaïdi
This paper presents a methodology and a set of tools for the modelling, validation and testing of Web service composition, conceived and developed within the French national project WebMov. This methodology includes several modelling techniques, based mainly on some variations of Timed Extended Finite State Machines (TEFSM) formalism, which provide a formal model of the BPEL description of Web services composition. These models are used as a reference for the application of different test generation and passive testing techniques for conformance and robustness checking. The whole WebMov methodology is integrated within a dedicated framework, composed by a set of tools that implement the model representation, the test generation and passive testing algorithms. This framework also permits the interaction of these tools to achieve specific modelling and testing activities in a complementary way. A case study based on a real service, a Travel Reservation Web Service, is presented as well as the results of the application of the proposed WebMov methodology and tools.
{"title":"WebMov: A Dedicated Framework for the Modelling and Testing of Web Services Composition","authors":"A. Cavalli, Tien-Dung Cao, Wissam Mallouli, E. Martins, A. Sadovykh, S. Salva, Fatiha Zaïdi","doi":"10.1109/ICWS.2010.24","DOIUrl":"https://doi.org/10.1109/ICWS.2010.24","url":null,"abstract":"This paper presents a methodology and a set of tools for the modelling, validation and testing of Web service composition, conceived and developed within the French national project WebMov. This methodology includes several modelling techniques, based mainly on some variations of Timed Extended Finite State Machines (TEFSM) formalism, which provide a formal model of the BPEL description of Web services composition. These models are used as a reference for the application of different test generation and passive testing techniques for conformance and robustness checking. The whole WebMov methodology is integrated within a dedicated framework, composed by a set of tools that implement the model representation, the test generation and passive testing algorithms. This framework also permits the interaction of these tools to achieve specific modelling and testing activities in a complementary way. A case study based on a real service, a Travel Reservation Web Service, is presented as well as the results of the application of the proposed WebMov methodology and tools.","PeriodicalId":170573,"journal":{"name":"2010 IEEE International Conference on Web Services","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115200155","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}
We propose a skyline computation approach that enables service users to optimally access sets of services as an integrated service package. We first present a one pass algorithm based on the observation that a multi-service skyline is completely determined by single service skylines. The skyline is returned after an enumeration on a significantly reduced candidate space. We then develop a dual progressive algorithm that is able to progressively report the skyline. We conduct an experimental study to assess the performance of the skyline computation approaches.
{"title":"Computing Service Skylines over Sets of Services","authors":"Qi Yu, A. Bouguettaya","doi":"10.1109/ICWS.2010.48","DOIUrl":"https://doi.org/10.1109/ICWS.2010.48","url":null,"abstract":"We propose a skyline computation approach that enables service users to optimally access sets of services as an integrated service package. We first present a one pass algorithm based on the observation that a multi-service skyline is completely determined by single service skylines. The skyline is returned after an enumeration on a significantly reduced candidate space. We then develop a dual progressive algorithm that is able to progressively report the skyline. We conduct an experimental study to assess the performance of the skyline computation approaches.","PeriodicalId":170573,"journal":{"name":"2010 IEEE International Conference on Web Services","volume":"550 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123511544","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}
In scenarios such as search-and-rescue operations, it may be required to transmit information across multiple, heterogeneous networks, often experiencing unreliable connections and limited bandwidths. Under such conditions, Publish/subscribe-based communication, combined with store-and-forward capabilities in the network nodes, greatly improves the ability to transmit information. At the same time, it is desirable to use commercial, standards-based software as much as possible, in order to reduce both cost and development time, and to ease the interconnection of systems from different organizations. In this paper, we present our prototype middleware solution called the Delay and Disruption Tolerant SOAP Proxy (DSProxy) which adds Publish/Subscribe functionality to standard, unmodified Web services. Together with its ability to make Web services delay and disruption tolerant, the DSProxy enables SOA based on Web services in scenarios as described above. The DSProxy has been tested in field trials, with promising results.
{"title":"Enabling Publish/Subscribe with COTS Web Services across Heterogeneous Networks","authors":"E. Skjervold, T. Hafsoe, F. T. Johnsen, K. Lund","doi":"10.1109/ICWS.2010.78","DOIUrl":"https://doi.org/10.1109/ICWS.2010.78","url":null,"abstract":"In scenarios such as search-and-rescue operations, it may be required to transmit information across multiple, heterogeneous networks, often experiencing unreliable connections and limited bandwidths. Under such conditions, Publish/subscribe-based communication, combined with store-and-forward capabilities in the network nodes, greatly improves the ability to transmit information. At the same time, it is desirable to use commercial, standards-based software as much as possible, in order to reduce both cost and development time, and to ease the interconnection of systems from different organizations. In this paper, we present our prototype middleware solution called the Delay and Disruption Tolerant SOAP Proxy (DSProxy) which adds Publish/Subscribe functionality to standard, unmodified Web services. Together with its ability to make Web services delay and disruption tolerant, the DSProxy enables SOA based on Web services in scenarios as described above. The DSProxy has been tested in field trials, with promising results.","PeriodicalId":170573,"journal":{"name":"2010 IEEE International Conference on Web Services","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121163261","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}
Developers of situational applications – applications created by a small group of users/developers to satisfy the specific needs of the group – require two things from their software stack. First, they require support for their rapidly changing designs; second, they require semantics that are close to their own domain of expertise. For example, developers of situational applications prefer to use scripting languages because the "duck typing" style of programming language allows them to ignore issues related to class inheritance or interface implementation. In comparison to strongly-typed languages, developers can begin programming more quickly, and can modify their program more rapidly in response to changing requirements. In this paper we explore whether middleware services can similarly provide developers of situational applications with these desired software characteristics. Specifically, we present EDS, an Extensible Data-Service designed to support applications whose design changes rapidly and with semantics that are closer to the domain expertise of situational application developers. We present the features of EDS, contrast it to other data services and APIs, and discuss the EDS implementation.
{"title":"EDS: An Elastic Data-Service for Situational Applications","authors":"A. Leff, J. Rayfield","doi":"10.1109/ICWS.2010.49","DOIUrl":"https://doi.org/10.1109/ICWS.2010.49","url":null,"abstract":"Developers of situational applications – applications created by a small group of users/developers to satisfy the specific needs of the group – require two things from their software stack. First, they require support for their rapidly changing designs; second, they require semantics that are close to their own domain of expertise. For example, developers of situational applications prefer to use scripting languages because the \"duck typing\" style of programming language allows them to ignore issues related to class inheritance or interface implementation. In comparison to strongly-typed languages, developers can begin programming more quickly, and can modify their program more rapidly in response to changing requirements. In this paper we explore whether middleware services can similarly provide developers of situational applications with these desired software characteristics. Specifically, we present EDS, an Extensible Data-Service designed to support applications whose design changes rapidly and with semantics that are closer to the domain expertise of situational application developers. We present the features of EDS, contrast it to other data services and APIs, and discuss the EDS implementation.","PeriodicalId":170573,"journal":{"name":"2010 IEEE International Conference on Web Services","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126357923","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}
Several activities in service oriented computing can benefit from knowing properties of a given service composition ahead of time. We will focus here on properties related to computational cost and resource usage, in a wide sense, as they can be linked to QoS characteristics. In order to attain more accuracy, we formulate computational cost / resource usage as functions on input data (or appropriate abstractions thereof) and show how these functions can be used to make more informed decisions when performing composition, proactive adaptation, and predictive monitoring. We present an approach to, on one hand, automatically synthesize these functions from orchestrations and, on the other hand, to effectively use them to increase the quality of non-trivial service-based systems with data-dependent behavior. We validate our approach by means of simulations with runtime selection of services and adaptation due to service failure.
{"title":"Towards Data-Aware QoS-driven Adaptation for Service Orchestrations","authors":"Dragan Ivanovic, M. Carro, M. Hermenegildo","doi":"10.1109/ICWS.2010.73","DOIUrl":"https://doi.org/10.1109/ICWS.2010.73","url":null,"abstract":"Several activities in service oriented computing can benefit from knowing properties of a given service composition ahead of time. We will focus here on properties related to computational cost and resource usage, in a wide sense, as they can be linked to QoS characteristics. In order to attain more accuracy, we formulate computational cost / resource usage as functions on input data (or appropriate abstractions thereof) and show how these functions can be used to make more informed decisions when performing composition, proactive adaptation, and predictive monitoring. We present an approach to, on one hand, automatically synthesize these functions from orchestrations and, on the other hand, to effectively use them to increase the quality of non-trivial service-based systems with data-dependent behavior. We validate our approach by means of simulations with runtime selection of services and adaptation due to service failure.","PeriodicalId":170573,"journal":{"name":"2010 IEEE International Conference on Web Services","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134621747","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：