Using Mapping Relations to Semi Automatically Compose Web Services

Abstract

This paper accomplishes the automatic composition of web services by leveraging semantics in XML Schemas, and by automatically generating aligned ontologies from mappings between XML schemas. Hence, we propose to encode the import of schemas and their mappings in HTML, which when combined with JavaScript libraries enable a web user to write mashups that hide coding and ontological complexities and achieve automated data mediation.

Reconciling Semantic Heterogeneity in Web Services Composition

“…But the approach focuses on dealing with a pair of interoperating services, rather than a composition of multiple services. The work in (Gagne et al 2006;Sabbouh et al 2008) proposes a set of mapping relations to establish the direct correspondence between the messages of two services. The approach is also restricted to simple composition scenarios in which only two services are integrated.…”

A Context-Based Approach to Reconciling Data Interpretation Conflicts in Web Services Composition

“…The approach focuses on addressing schematic differences of the exchanged messages by using schematic conversations (e.g., XSLT). The work in (Gagne et al 2006;Sabbouh et al 2008) proposes a set of mapping relations to establish direct correspondences between the messages of two WSDL-based services. Then, the common ontology can be constructed based on these correspondences and data-level differences are resolved by predefined conversions.…”

Enabling Semantic Mediation in DaaS Composition

“…Besides, most of the efforts in Web services composition focus on automatically constructing the workflow logic by means of ontologies, but only a few approaches have been developed to handle semantic heterogeneity in Web services composition.We surveyed work that handled semantic heterogeneity within Web services compositions like (Spencer & Liu, 2004;Gagne et al, 2006;Sabbouh et al, 2008;Nagarajan et al, 2007). Nagarajan (2007) use the SAWSDL lowering/lifting schema extension attributes to specify mappings between a schema element and its corresponding semantic concept defined through the "modelReference" extension.…”

“…Like Nagarajan (2007), Spencer (2004), Gagne (2006) and Sabbouh (2008) investigate data-level heterogeneity between Web services through mapping relations to establish direct correspondences between the messages of two services. However, these works require Input-Output service parameters to be annotated with classes from the DO as semantics, and do not take the context into account.…”