RESTful Web service composition with BPEL for REST Export

@article{citeulike:5367740, abstract = {Current Web service technology is evolving towards a simpler approach to define Web service APIs that challenges the assumptions made by existing languages for Web service composition. RESTful Web services introduce a new kind of abstraction, the resource, which does not fit well with the message-oriented paradigm of the Web service description language (WSDL). RESTful Web services are thus hard to compose using the Business Process Execution Language (WS-BPEL), due to its tight coupling to WSDL. The goal of the BPEL for REST extensions presented in this paper is twofold. First, we aim to enable the composition of both RESTful Web services and traditional Web services from within the same process-oriented service composition language. Second, we show how to publish a BPEL process as a RESTful Web service, by exposing selected parts of its execution state using the REST interaction primitives. We include a detailed example on how BPEL for REST can be applied to orchestrate a RESTful e-Commerce scenario and discuss how the proposed extensions affect the architecture of a process execution engine.}, author = {Pautasso, Cesare}, citeulike-article-id = {5367740}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.datak.2009.02.016}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S0169023X09000366}, doi = {10.1016/j.datak.2009.02.016}, issn = {0169023X}, journal = {Data \& Knowledge Engineering}, keywords = {bpel, rest, web\_services, workflow}, month = {September}, number = {9}, pages = {851--866}, posted-at = {2009-11-09 13:22:37}, priority = {3}, title = {RESTful Web service composition with BPEL for REST}, url = {http://dx.doi.org/10.1016/j.datak.2009.02.016}, volume = {68}, year = {2009} }

TY - JOUR ID - citeulike:5367740 L3 - citeulike-article-id:5367740 N2 - Current Web service technology is evolving towards a simpler approach to define Web service APIs that challenges the assumptions made by existing languages for Web service composition. RESTful Web services introduce a new kind of abstraction, the resource, which does not fit well with the message-oriented paradigm of the Web service description language (WSDL). RESTful Web services are thus hard to compose using the Business Process Execution Language (WS-BPEL), due to its tight coupling to WSDL. The goal of the BPEL for REST extensions presented in this paper is twofold. First, we aim to enable the composition of both RESTful Web services and traditional Web services from within the same process-oriented service composition language. Second, we show how to publish a BPEL process as a RESTful Web service, by exposing selected parts of its execution state using the REST interaction primitives. We include a detailed example on how BPEL for REST can be applied to orchestrate a RESTful e-Commerce scenario and discuss how the proposed extensions affect the architecture of a process execution engine. IS - 9 JF - Data & Knowledge Engineering SN - 0169023X EP - 866 TI - RESTful Web service composition with BPEL for REST VL - 68 SP - 851 KW - bpel KW - rest KW - web_services KW - workflow AU - Pautasso, Cesare PY - 2009/09// UR - http://dx.doi.org/10.1016/j.datak.2009.02.016 ER -