Summary
Description of the profile
In a diverse information environment, semantics must be used to clearly indicate the meaning of data. This requirement is expected to be addressed by the Semantic Infrastructure, although there will be a touchpoint between the caGrid 2.0 and the Semantic Infrastructure to annotate data with semantics.
Create annotations for better discovery and searching of artifacts.
An artifact is a managed resource within the Semantic Infrastructure.
An artifact is associated with the following capabilities:
- descriptions to enable the artifact to be visible, where the description includes a unique identifier for the artifact and a sufficient, and preferably a machine processible, representation of the meaning of terms used to describe the artifact, its functions, and its effects;
- one or more discovery mechanisms that enable searching for artifacts that best meet the search criteria specified by the service participant; where the discovery mechanism will have access to the individual artifact descriptions, possibly through some repository mechanism;
- accessible storage of artifacts and artifact descriptions, so service participants can access, examine, and use the artifacts as defined.
Artifact descriptions change over time and their contents will reflect changing needs and context.
Architectural implications of change on the Semantic Infrastructure are reflected in the following capabilities:
- mechanisms to support the storage, referencing, and access to normative definitions of one or more versioning schemes that may be applied to identify different aggregations of descriptive information, where the different schemes may be versions of a versioning scheme itself;
- configuration management mechanisms to capture the contents of the each aggregation and apply a unique identifier in a manner consistent with an identified versioning scheme;
- one or more mechanisms to support the storage, referencing, and access to conversion relationships between versioning schemes, and the mechanisms to carry out such conversions.
Artifact Descriptions make use of defined semantics, where the semantics may be used for categorization or providing other property and value information for description classes.
Architectural implications of semantics on the Semantic Infrastructure are reflected in the following capabilities:
- semantic models that provide normative descriptions of the utilized terms, where the models may range from a simple dictionary of terms to an ontology showing complex relationships and capable of supporting enhanced reasoning. This is a refinement of the Artifact metadata capability.
- mechanisms to support the storage, referencing, and access to these semantic models. This is a refinement of the Artifact store capability.
- configuration management mechanisms to capture the normative description of each semantic model and to apply a unique identifier in a manner consistent with an identified versioning scheme. This is a refinement of the Change configurationManagement capability.
- one or more mechanisms to support the storage, referencing, and access to conversion relationships between semantic models, and the mechanisms to carry out such conversions.
Capabilities
- collaborativeAnnotation
- collaborativeHarmonization
- configurationManagement
- discovery
- identity
- metadata
- provenance
- semanticConversion
- store
- transition
- versioning
Requirements traceability
Requirement |
Source |
Capability |
|---|---|---|
Share models with others to allow collaborative annotation |
Gap Analysis::Collaborate::008 - Share models with others to allow collaborative annotation |
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Artifact lifecycle management and metadata requirements include the ability to: * Manage lifecycle, governance and versioning of the models, content and forms * Establish relationships and dependencies between models, content and forms * Determine provenance, jurisdiction, authority and intellectual property * Create represention and views of the information, realized through the appropriate transforms * Provide access control and other security constraints * Create annotations for better discovery and searching of artifacts * Develop usage scenarios and context for the information * Provide terminology and value set binding The artifacts are bound to the services via the service metadata. The service metadata combined with the artifacts and supporting metadata provide a comprehensive service specification. The artifact management requirements listed above are derived from the following use cases: * caEHR: The caEHR project has adopted ECCF for specifications and CDA documents for interoperability. The caEHR project requirements include the need for an infrastructure for managing all the artifacts generated during specification process, including HL7 models and documents. The caEHR project also intends to publish these artifacts for the community and vendors. The infrastructure needs to support better discovery, making all the relevant information available in the right context. * ONC and other external EHR adopters: ONC has adopted CCD and CCR for meaningful use. All national EHR implementations are expected to support forms and the semantics of these forms play a critical role in interoperability. The semantic infrastructure must provide a mechanism to create, store and manage these forms. * Clinical Trials: Clinical trials use forms to capture clinical information, and the semantics captured by these forms are critical for interoperability and reporting. The semantic infrastructure must provide a mechanism to manage the lifecycle of these forms. |
Semantic Infrastructure Requirements::Artifact Management::Artifact Lifecycle Management |
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The primary CDISC use cases involve stakeholders/standards developers reaching consensus about their community data element definitions as they harmonize/normalize them as a set of common data elements. There is less focus on describing relationships among these data element definitions. The target consensus is one of HL7-type Normalization (different terms/definitions that mean the same thing are consolidated) and Harmonization (where similar terms are found to be conceptually distinct additional data element definitions are introduced. CDISC wants to start with N community definitions and for a single concept end up with one common data element definition. CDISC wants to gradually match multiple community data elements with a single CDISC common data element. Because a major goal of normalization is a single common data element, there is strong preference to avoid HL7-type localization. HL7 localization is based on community data elements that are not part-of the HL7 Reference Information Model (RIM) or the BRIDG (Biomedical research Integrated Domain Group) model. These data elements are not part of the standard. The BRIDG 3.01 Users Guide elaborates on these normalization, harmonization and localization definitions (pages 25-27). *Source * * 5/20/2010 Interview , David Iberson-Hurst |
Gap Analysis::CDISC::CDISC-5 - Support group collaboration to harmonize data element definitions |
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Semantic Profile::OASIS SOA::Governance Model |
discovery from inherited abstract profile Artifact, identity from inherited abstract profile Artifact, metadata from inherited abstract profile Artifact, store from inherited abstract profile Artifact, |
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Semantic Profile::OASIS SOA::Service Description Model |
versioning from inherited abstract profile Change, configurationManagement from inherited abstract profile Change, transition from inherited abstract profile Change, discovery from inherited abstract profile Artifact, identity from inherited abstract profile Artifact, metadata from inherited abstract profile Artifact, store from inherited abstract profile Artifact, semanticConversion from inherited abstract profile Semantic Model, |
collaborativeAnnotation
Description
Share models with others to allow collaborative annotation
Requirements addressed
Overview of possible operations
collaborativeHarmonization
Description
Support group collaboration to harmonize data element definitions
Requirements addressed
- Artifact Lifecycle Management
- CDISC-5 - Support group collaboration to harmonize data element definitions
Overview of possible operations
configurationManagement
Description
Mechanisms to support the storage, referencing, and access to normative definitions of one or more versioning schemes that may be applied to identify different aggregations of descriptive information, where the different schemes may be versions of a versioning scheme itself.
Requirements addressed
Overview of possible operations
discovery
Description
One or more discovery mechanisms that enable searching for artifacts that best meet the search criteria specified by the service participant; where the discovery mechanism will have access to the individual artifact descriptions, possibly through some repository mechanism.
Requirements addressed
Overview of possible operations
identity
Description
Descriptions which include a unique identifier for the artifact.
Requirements addressed
Overview of possible operations
metadata
Description
A representation of the meaning of terms used to describe the artifact, its functions, and its effects.
Requirements addressed
Overview of possible operations
provenance
Description
While the Resource identity provides the means to know which subject and subject description are being considered, Provenance as related to the Description class provides information that reflects on the quality or usability of the subject. Provenance specifically identifies the entity (human, defined role, organization, ...) that assumes responsibility for the resource being described and tracks historic information that establishes a context for understanding what the resource provides and how it has changed over time. Responsibilities may be directly assumed by the Stakeholder who owns a Resource or the Owner may designate Responsible Parties for the various aspects of maintaining the resource and provisioning it for use by others. There may be more than one entity identified under Responsible Parties; for example, one entity may be responsible for code maintenance while another is responsible for provisioning of the executable code. The historical aspects may also have multiple entries, such as when and how data was collected and when and how it was subsequently processed, and as with other elements of description, may provide links to other assets maintained by the Resource owner.
Requirements addressed
Overview of possible operations
semanticConversion
Description
One or more mechanisms to support the storage, referencing, and access to conversion relationships between semantic models, and the mechanisms to carry out such conversions.
Requirements addressed
Overview of possible operations
store
Description
Accessible storage of artifacts and artifact descriptions, so service participants can access, examine, and use the artifacts as defined.
Requirements addressed
Overview of possible operations
transition
Description
One or more mechanisms to support the storage, referencing, and access to conversion relationships between versioning schemes, and the mechanisms to carry out such conversions.
Requirements addressed
Overview of possible operations
versioning
Description
Configuration management mechanisms to capture the contents of the each aggregation and apply a unique identifier in a manner consistent with an identified versioning scheme.
