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REST Web Service Description for Graph-Based Service Discovery

  • Rosa Alarcon
  • Rodrigo Saffie
  • Nikolas BravoEmail author
  • Javiera Cabello
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9114)

Abstract

Unlike WSDL/SOAP based services, REST services lack a widely accepted service description since it increases the coupling between clients and servers, hampering service evolution. In practice, REST services are described through informal, ad-hoc and semi-structured documents, often written in natural language, which worsens the level of coupling. Most of the few REST service descriptions currently proposed follow an operation-centric approach with unclear additional benefits for developers and consumers. We propose a service description model focused on hypermedia allowing the generation of a graph that captures state transitions in an activity layer; we also capture resource, transition, and response semantics in a semantic layer. Using graph queries we traverse the graph and facilitate service discovery and composition. The service model was implemented as Microdata-based annotations, and a JSON description. A prototype was developed using Neo4J, and a set of real Web APIs was chosen to illustrate our approach.

Keywords

Service Composition Service Discovery Service Description Graph Query Resource Concept 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Rosa Alarcon
    • 1
  • Rodrigo Saffie
    • 1
  • Nikolas Bravo
    • 1
    Email author
  • Javiera Cabello
    • 1
  1. 1.Computer Science DepartmentPontificia Universidad Catolica de ChileSantiagoChile

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