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  2. Comparison of OLAP servers - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_OLAP_servers

    REST API; Apache Doris No No No No Yes [20] Yes No Superset, Redash, Metabase, Tableau, Qlik, Pivot, PowerBI Yes Yes Apache Druid: No No No No Yes Druid SQL No Superset, Pivot, Redash Yes Yes Apache Kylin: Yes No Yes No Yes Yes Superset, Zeppelin, Tableau, Qlik, Redash, Microsoft Excel Yes Yes Apache Pinot: No No No No Yes Yes No Superset ...

  3. Common warehouse metamodel - Wikipedia

    en.wikipedia.org/wiki/Common_Warehouse_Metamodel

    The common warehouse metamodel (CWM) defines a specification for modeling metadata for relational, non-relational, multi-dimensional, and most other objects found in a data warehousing environment. The specification is released and owned by the Object Management Group , which also claims a trademark in the use of "CWM".

  4. Schema crosswalk - Wikipedia

    en.wikipedia.org/wiki/Schema_crosswalk

    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". Crosswalks also have several technical capabilities. They help databases using different metadata schemes to share information. They help metadata harvesters create union catalogs.

  5. Metadata standard - Wikipedia

    en.wikipedia.org/wiki/Metadata_standard

    A good example of metadata is the cataloging system found in libraries, which records for example the author, title, subject, and location on the shelf of a resource. Another is software system knowledge extraction of software objects such as data flows, control flows, call maps, architectures, business rules, business terms, and database schemas.

  6. XML Metadata Interchange - Wikipedia

    en.wikipedia.org/wiki/XML_Metadata_Interchange

    The XML Metadata Interchange (XMI) is an Object Management Group (OMG) standard for exchanging metadata information via Extensible Markup Language (XML). It can be used for any metadata whose metamodel can be expressed in Meta-Object Facility (MOF) , a platform-independent model (PIM).

  7. Metadata - Wikipedia

    en.wikipedia.org/wiki/Metadata

    Descriptive metadata is typically used for discovery and identification, as information to search and locate an object, such as title, authors, subjects, keywords, and publisher. Structural metadata describes how the components of an object are organized. An example of structural metadata would be how pages are ordered to form chapters of a book.

  8. Open Data Protocol - Wikipedia

    en.wikipedia.org/wiki/Open_Data_Protocol

    Socrata exposes an OData API. Microsoft Azure exposes an OData API. Oracle Analytics Cloud can connect to an OData API; SAP NetWeaver Gateway [37] provides OData access to SAP Business Suite and SAP Business Warehouse. IBM WebSphere eXtreme Scale REST data service can be accessed by any HTTP client using OData. [38]

  9. Richardson Maturity Model - Wikipedia

    en.wikipedia.org/wiki/Richardson_Maturity_Model

    It categorizes a Web API into four levels (from 0 to 3) with each higher level corresponding to a more complete adherence to REST design. The next level also contains all the characteristics of the previous one. [4] [5] Other classification systems for Web API services design also exist, such as CoHA and WS 3. [3]