Interaction Dialogue Model Offers Structured Approach to Web UI Design

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The Interaction Dialogue Model (IDM), originally rooted in hypermedia research, is a structured methodology that helps developers map user interactions before writing any code. It breaks UI design into three abstraction layers: Conceptual (user intent), Logical (navigation structure), and Physical (actual implementation). Each layer addresses a distinct question — what the user wants, how the dialogue is structured, and how it translates into code. IDM introduces design primitives such as Structural Links, Landmark Links, and Operational Boundaries to define navigation and state transitions clearly. Proponents argue the approach reduces technical debt by preventing developers from mixing high-level intent with low-level implementation too early in the process.

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RAG and Semantic Layers Serve Different Roles in Enterprise AI Architecture

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