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  2. Entity–relationship model - Wikipedia

    en.wikipedia.org/wiki/Entity–relationship_model

    Chen's original paper gives an example of a relationship and its roles. He describes a relationship "marriage" and its two roles, "husband" and "wife". A person plays the role of husband in a marriage (relationship) and another person plays the role of wife in the (same) marriage. These words are nouns.

  3. Chen model - Wikipedia

    en.wikipedia.org/wiki/Chen_model

    In an authoritative review of modern finance (Continuous-Time Methods in Finance: A Review and an Assessment [1]), the Chen model is listed along with the models of Robert C. Merton, Oldrich Vasicek, John C. Cox, Stephen A. Ross, Darrell Duffie, John Hull, Robert A. Jarrow, and Emanuel Derman as a major term structure model. Different variants ...

  4. Conceptual model - Wikipedia

    en.wikipedia.org/wiki/Conceptual_model

    The conceptual model's content should be considered in order to select a technique that would allow relevant information to be presented. The presentation method for selection purposes would focus on the technique's ability to represent the model at the intended level of depth and detail.

  5. Peter Chen - Wikipedia

    en.wikipedia.org/wiki/Peter_Chen

    Peter Pin-Shan Chen (Chinese: 陳品山; born 3 January 1947) is a Taiwanese-American computer scientist and applied mathematician.He is a retired distinguished career scientist and faculty member at Carnegie Mellon University and Distinguished Chair Professor Emeritus at Louisiana State University.

  6. C4 model - Wikipedia

    en.wikipedia.org/wiki/C4_model

    Instead, the C4 model recommends using simple diagrams based on nested boxes in order to facilitate interactive collaborative drawing. The technique also promotes good modelling practices such as providing a title and legend on every diagram, and clear unambiguous labelling in order to facilitate the understanding by the intended audience.

  7. Use case diagram - Wikipedia

    en.wikipedia.org/wiki/Use_case_diagram

    A use case diagram [1] is a graphical depiction of a user's possible interactions with a system. A use case diagram shows various use cases and different types of users the system has and will often be accompanied by other types of diagrams as well. The use cases are represented by either circles or ellipses. The actors are often shown as stick ...

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