Object Management for Web Standards
As enterprises rely more on web services for both data processing and fully automated business-to-business e-commerce, the problem of inconsistent semantics becomes increasingly important. Businesses can ensure consistent semantics by sharing an ontology - the definitions of terms and concepts in a domain - but ontologies can only be shared if they are expressed and stored in a standard way.
Last month in Boston, Massachusetts, at a meeting of the OMG, Object Management Group, three new standards completed member evaluation and started the series of votes leading to official adoption.
OMG's Ontology Definition Metamodel (ODM) standardizes this necessary foundation for sharing ontologies. In Boston, the draft ODM specification completed member evaluation and started the series of votes leading to final adoption.
New Software Infrastructure Interoperability Specifications
Two new infrastructure specifications also completed member evaluation and started the series of votes leading to adoption. One adds an interoperability protocol to OMG's popular Data Distribution Service (DDS). DDS supports real-time data distribution with publish/subscribe semantics and is widely used in both military and industrial systems. The new protocol will let compliant DDS implementations from different vendors interoperate on the network. The second infrastructure specification, a mapping from Web Services Definition Language (WSDL) to C++, will enable vendors to replace proprietary mappings with the standard, increasing productivity of developers whose skills and code will port from one environment to another.
SysML, KDM Adoptions Become Final
Once members complete their evaluation and register approval in a series of votes, a poll by OMG's Board of Directors (BoD) makes the adoption official. Following actions at the Boston meeting, votes by OMG's BoD declared the Systems Engineering Modeling Language (SysML), and the Knowledge Definition Metamodel (KDM) for architecture-based software modernization, to be OMG specifications. Members initiated a new standards effort by issuing a Request for Proposals (RFP). Any company, organization, or government agency is welcome to join OMG and submit a draft proposal in response to an RFP.
Two new RFPs from OMG's Analysis and Design (AD) Platform Task Force (PTF) will enrich the Model Driven Architecture(R) (MDA(R)) and the modeling environment that supports it. To maximize the productivity of developers using the MDA, an enterprise may select and combine best-of-breed tools from multiple vendors, binding them with customized code. The customization artifacts are referred to as an MDA Tool Component, and the first RFP seeks to standardize the definition and packaging aspects of these MDA Tool Components.
The second RFP will enhance the MDA environment by allowing modeling languages built on OMG's MetaObject Facility (MOF(TM)) to more faithfully represent a wide variety of subjects and domains. Referred to as MOF Support for Semantic Structures, this standardization effort will define a new MOF compliance level designated SMOF - Semantic MOF - that lifts some of the restrictions that the MOF specification currently places on modeling languages built with it and which must represent every object in the final model.
www.omg.org
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