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...f clients, thanks to the support for caching, clustering and load balancing built into REST. Due to the possibility of choosing lightweight message formats, e.g., the JavaScript Object Notation (JSON =-=[10]-=-) or, in the extreme, even plain text for very simple data types, REST also gives more leeway to optimize the performance of a Web service. 3.3 Weaknesses There is some confusion regarding the commonl...

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...ad. In some cases, also the assumption of dealing with XML data [39] may not hold when accessing resources represented in other, more lightweight, formats such as the JavaScript Object Notation (JSON =-=[40]-=-). Thus, the assumption that BPEL variables may only contain SOAP message payloads or, in general, XML data, may no longer apply when using them to store resource representations. Also, it should be p...

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...er, in some cases, also the assumption of dealing with XML data [9] may not apply when accessing resources represented in other, more lightweight, formats such as the JavaScript Object Notation (JSON =-=[10]-=-). In this paper we argue that process-based composition languages can and should be applied to compose RESTful Web services in addition to WSDL-based ones. However, given the differences between the ...

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...dized format. REST does not restrict the resource representation to use a specific format. This resource representation can thus be XML based, but also use other, more lightweight formats (e.g., JSON =-=[15]-=-). The actual format can be negotiated in order to achieve full interoperability between clients and resources without putting too many upfront constraints on the data exchange format understood by bo...

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...tion API that split visualization from data. Currently, the authors are extending nProbe adding an embedded web server that can make FastBit queries on the fly and return query results in JSON format =-=[38]-=-. The idea is to create an interactive query system that can visualize both tabular data (e.g. flow information) and graphs (e.g. average number of flow records on port X over the last hour) by means ...

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... component. The format depends on the mechanism which is chosen to communicate with the JavaScript application running in the browser. In our case we chose to serialize the data using the JSON format =-=[19]-=-. To do so, we use a string concatenation expression, which replaces the names of the component input parameters (bracketed with %) with their actual value. The transfer of data is done by the streamT...

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...the ALMA tools described within the following sections. The ADL is based on a special markup language for coding hierarchical structured data in a text document. It is comparable to XML [32] and JSON =-=[33]-=- but offers the flexibility to use variables as well as constant mathematical expressions. Additionally, it allows to use for and if constructs. This enables the flexibility to describe regular MPSoC ...

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...le devices). • Thanks to the simplicity of REST and since no HTTP extensions are required, the interoperability of the transaction coordinator with both applications and participant services is much easier to achieve. 5.2.3 Confirmation The application developer now needs a way to invoke the coordinator service to perform the confirmation phase. We chose the following very simple approach, where a set of reservation links is simply transferred to the coordinator service with an idempotent PUT request carrying a ’transaction’ payload in the request body. The example shows the use of plain JSON [1], but any collection media type that can carry a set of links associated with a set of timestamps can do. ⇒PUT /coordinator/confirm HTTP/1.1 Host: www.taas.com Content-Type: application/tcc+json Content-Length: 253 { "transaction" : [ { "uri" : "http://www.swiss.com/booking/A", "expires" : "2014-01-11T10:15:54.261+01:00" }, { "uri" : "http://www.easyjet.com/booking/B", "expires" : "2014-01-11T10:15:54.261+01:00" } ] } The coordinator will delegate the confirmation request to all participant(link)s included in the supplied transaction. If all goes fine then the following would be the typical re...

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...e most popular datasstructure formats used to store information in a structured andshierarchical way. Also, it is widely used to store data to besexchanged between information systems.sSecond is JSON =-=[6]-=- which has a structure identical to thesXML, but tries to be a low-overhead format and nowadays it issbeing increasingly used.sFinally, we have the Protocol Buffers [7], which is asserialization forma...