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  2. PlantUML - Wikipedia

    en.wikipedia.org/wiki/PlantUML

    PlantUML is an open-source tool allowing users to create diagrams from a plain text language. Besides various UML diagrams, PlantUML has support for various other software development related formats (such as Archimate, Block diagram, BPMN, C4, Computer network diagram, ERD, Gantt chart, Mind map, and WBD), as well as visualisation of JSON and YAML files.

  3. Erdős–Rényi model - Wikipedia

    en.wikipedia.org/wiki/Erdős–Rényi_model

    For example, there is a k(n) (approximately equal to 2log 2 (n)) such that the largest clique in G(n, 0.5) has almost surely either size k(n) or k(n) + 1. [ 7 ] Thus, even though finding the size of the largest clique in a graph is NP-complete , the size of the largest clique in a "typical" graph (according to this model) is very well understood.

  4. List of Unified Modeling Language tools - Wikipedia

    en.wikipedia.org/wiki/List_of_Unified_Modeling...

    UML 2.3, Full round-trip support for Java, C++, C#, CL (MSIL) and CORBA IDL, Report generator from template in RTF, HTML, XML, ODT, ODS, ODP, and Text (DOCX, XLSX, PPTX since 16.8). Microsoft Visio: Plugin Un­known Plugin Plugin Un­known Un­known Un­known Modelio: Yes Yes Yes Yes Java, C++, C#, XSD, WSDL, SQL Java, C++, C# Eclipse, EMF

  5. reStructuredText - Wikipedia

    en.wikipedia.org/wiki/ReStructuredText

    reStructuredText (RST, ReST, or reST) is a file format for textual data used primarily in the Python programming language community for technical documentation.. It is part of the Docutils project of the Python Doc-SIG (Documentation Special Interest Group), aimed at creating a set of tools for Python similar to Javadoc for Java or Plain Old Documentation (POD) for Perl.

  6. Data structure diagram - Wikipedia

    en.wikipedia.org/wiki/Data_structure_diagram

    Example of a data structure diagram. A data structure diagram (DSD) is the visual representation of a certain kind of data model that contains entities, their relationships, and the constraints that are placed on them. It is an older alternative to the entity–relationship model.

  7. Barker's notation - Wikipedia

    en.wikipedia.org/wiki/Barker's_notation

    Barker's notation refers to the ERD notation developed by Richard Barker, Ian Palmer, Harry Ellis et al. whilst working at the British consulting firm CACI around 1981. The notation was adopted by Barker when he joined Oracle and is effectively defined in his book Entity Relationship Modelling as part of the CASE Method series of books.

  8. Nested set model - Wikipedia

    en.wikipedia.org/wiki/Nested_set_model

    The nested set model is a technique for representing nested set collections (also known as trees or hierarchies) in relational databases.. It is based on Nested Intervals, that "are immune to hierarchy reorganization problem, and allow answering ancestor path hierarchical queries algorithmically — without accessing the stored hierarchy relation".

  9. Erdős–Straus conjecture - Wikipedia

    en.wikipedia.org/wiki/Erdős–Straus_conjecture

    In the form = (+ +), a polynomial equation with integer variables, the Erdős–Straus conjecture is an example of a Diophantine equation. The Hasse principle for Diophantine equations suggests that these equations should be studied using modular arithmetic .