Composing and optimizing data providing web services

In this paper, we propose a new approach to automatically compose data providing Web services. Our approach exploits existing mature works done in data integration systems. Specifically, data providing services are modeled as RDF Parameterized views over mediated ontologies. Then, an RDF oriented algorithm to compose services based on query rewriting techniques was devised. We apply also an optimization algorithm on the generated composition to speed up its execution. The results of our experiments show that the algorithms scale up very well up to a large number of services, covering thus most realistic applications. Categories and Subject Descriptors H.3.5 [Information Storage and Retrieval]: Online Information Services ? Web-based services. General Terms: Algorithms, Experimentation, Management, Performance.

• Type: Conference
• Year: 2008
• Where: WWW
• Authors: Mahmoud Barhamgi, Djamal Benslimane, Aris M. Ouksel
• Keywords: Data Providing Services, Internet Technology, RDF Oriented Algorithm, RDF Parameterized Views, WWW 2008