نتایج جستجو برای: web service composition
تعداد نتایج: 766691 فیلتر نتایج به سال:
The development of new web services by composition of existing services is becoming an extensive approach. This has resulted in transactions that span in multiple web services. These business transactions may be unpredictable and long in duration. Thus they may not be acceptable to lock resources exclusively for such long period. Two-phase commit is also not suitable for transactions with some ...
The critical issue of web services success is the ability to compose web services in order to build complex added-value services. In web service compositions both functional and non functional properties, i.e. quality of service, should be taken into account. The quality of service in web service compositions plays a vital role and has opened a wide spectrum of challenges. We survey and analyze...
Designing of the composite services with desired quality is an interesting challenge in web service environments. In a QoS-aware web service composition, appropriate services with acceptable quality are selected among several functionequivalent candidate services. The selection is performed in such a way that creates a composition with optimal quality which can satisfy user’s constraints. In th...
The paper focuses on the web service composition and web service discovery based MapReduce algorithm, which is the one of the component of the big data problem resolver tool Hadoop. Many of the IT companies are currently in the journey to Service Oriented Architecture (SOA) with web service as the standard protocol for implementation. The overwhelming popularity of web service has made a huge i...
Web services have become an emerging and promising technology to design and build complex business applications out of atomic web-based software components. To enforce extensive software reuse and dynamic adaptation, dynamic service composition has experienced an increasing interest in research efforts. Together, the lack of a general conceptual reference model for dynamic web service compositi...
Data as a Service (DaaS) builds on service-oriented technologies to enable fast access to data resources on the Web. However, this paradigm raises several new privacy concerns that traditional privacy models do not handle. In addition, DaaS composition may reveal privacysensitive information. In this paper, we propose a formal privacy model in order to extend DaaS descriptions with privacy capa...
Service-oriented architecture (SOA) is focused on building loosely coupled distributed systems with minimal shared understanding among system components. The main building blocks in SOA are services. Services are selfdescriptive, self-contained, platform-independent and openly-available components that interact over the network. The main goal of SOA is transparent, flexible and dynamic interact...
Web services are emerging as a promising technology for the development of next generation distributed heterogeneous software systems. Some prominent challenges for Web services are the discovery of services which match some given requirements, the composition of services into new complex applications, and the safe replacement of (sub)services. The primary objective of this thesis is to define ...
With the increase of Web services popularity, due to its well established secure protocols, service providers are competing in the market with services that provide overlapping, if not similar, functionalities. To be attractive to consumers Web service providers must improve the quality of their services. When considering complex composite Web services, the selection of the most appropriate can...
certain advantages of service-oriented architecture have led to the spread of this type of architecture around the world. however, some special features of this type of architecture have led to more compromise between the security in the information system and other information systems. the purpose of this paper is to identify and examine the impact of factors and dimensions of the information ...
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