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  2. Treemapping - Wikipedia

    en.wikipedia.org/wiki/Treemapping

    In 1999 Martin Wattenberg used a variation of the "squarifying" algorithm that he called "pivot and slice" to create the first Web-based treemap, the SmartMoney Map of the Market, which displayed data on hundreds of companies in the U.S. stock market. Following its launch, treemaps enjoyed a surge of interest, particularly in financial contexts.

  3. Looker Studio - Wikipedia

    en.wikipedia.org/wiki/Looker_Studio

    Treemap charts are also offered within Looker Studio to display data in hierarchies based on defined dimensions. [22] In this type of chart, each branch represents a dimension value, with its size based on the defined metric for the entire chart. [20] This chart allows users to breakdown dimensions within Subtopics and Levels. [20]

  4. IDEF1X - Wikipedia

    en.wikipedia.org/wiki/IDEF1X

    Whether the database design used the integrity constraint based keys of the IDEF1X model as database access keys or indexes was an entirely separate decision. The precision and completeness of the IDEF1X models was an important factor in enabling the relatively smooth transformation of the models into database designs.

  5. Tree structure - Wikipedia

    en.wikipedia.org/wiki/Tree_structure

    A tree map used to represent a directory structure as a nested set A diagram in the shape of a tree illustrating the "evolution" of thermionic tubes (a type of vacuum tube) between 1883 and 1934. Internet: usenet hierarchy; Document Object Model's logical structure, [3] Yahoo! subject index, Curlie; Operating system: directory structure

  6. Graph database - Wikipedia

    en.wikipedia.org/wiki/Graph_database

    A graph database (GDB) is a database that uses graph structures for semantic queries with nodes, edges, and properties to represent and store data. [1] A key concept of the system is the graph (or edge or relationship).

  7. Graph-based access control - Wikipedia

    en.wikipedia.org/wiki/Graph-based_access_control

    Graph-based access control (GBAC) is a declarative way to define access rights, task assignments, recipients and content in information systems. Access rights are granted to objects like files or documents, but also business objects such as an account. GBAC can also be used for the assignment of agents to tasks in workflow environments.

  8. Data and information visualization - Wikipedia

    en.wikipedia.org/wiki/Data_and_information...

    Data presentation architecture weds the science of numbers, data and statistics in discovering valuable information from data and making it usable, relevant and actionable with the arts of data visualization, communications, organizational psychology and change management in order to provide business intelligence solutions with the data scope ...

  9. Database schema - Wikipedia

    en.wikipedia.org/wiki/Database_schema

    The database schema is the structure of a database described in a formal language supported typically by a relational database management system (RDBMS). The term " schema " refers to the organization of data as a blueprint of how the database is constructed (divided into database tables in the case of relational databases ).