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Malcolm McRoberts

Metadata registry - Wikipedia, the free encyclopedia - 0 views

  • Common characteristics of a metadata registry A metadata registry typically has the following characteristics: Protected environment where only authorized individuals may make changes Stores data elements that include both semantics and representations Semantic areas of a metadata registry contain the meaning of a data element with precise definitions Representational areas of a metadata registry define how the data is represented in a specific format, such as in a database or a structured file format (e.g., XML)
  • ISO 11179
  • A metadata registry is a central location in an organization where metadata definitions are stored and maintained in a controlled method.
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  • Metadata registries are used whenever data must be used consistently within an organization or group of organizations
  • Organizations that need consistent definitions of data across time, between databases, between organizations or between processes, for example when an organization builds a data warehouse
Malcolm McRoberts

Schema crosswalk - Wikipedia, the free encyclopedia - 0 views

  • A Schema crosswalk is a table that shows equivalent elements (or "fields") in more than one database schema. It maps the elements in one schema to the equivalent elements in another schema.
  • This type of "translating" from one format to another is often called "metadata mapping" or "field mapping," and is related to "data mapping," and "semantic mapping."
Malcolm McRoberts

java - Do you need JPA when using MongoDB? - Stack Overflow - 0 views

  • There is however Morphia, an Object Document Mapper for MongoDB + Java which closely emulates the JPA model but using MongoDB appropriate semantics
  • DataNucleus already supports MongoDB, for JPA and JDO, the standardised APIs in Java.
  • clipseLink is planning support for MongoDB from JPA.
Malcolm McRoberts

Home | Clinical Interoperability | Clinical Architecture - 0 views

  • Healthcare information technology is driven by terminology. Clinical Architecture is dedicated to overcoming terminology barriers wherever they exist with solutions that enable the efficient and semantically accurate exchange of actionable healthcare data.
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