A Framework for Visualizing Information - download pdf or read online

By Ed H. Chi (auth.)

ISBN-10: 904816009X

ISBN-13: 9789048160099

ISBN-10: 9401705739

ISBN-13: 9789401705738

Fundamental ideas in realizing details were elusive for a very long time. the sector of man-made Intelligence has proposed the Turing try out so as to try for the "smart" behaviors of machine courses that express human-like features. resembling the Turing try for the sphere of Human­ info interplay (HII), getting details to the folk that desire them and supporting them to appreciate the knowledge is the hot problem of the internet period. In a quick period of time, the infrastructure of the internet grew to become ubiquitious not only when it comes to protocols and transcontinental cables but in addition when it comes to daily units able to recalling network-stored info, occasionally twine­ lessly. accordingly, as those infrastructures turn into truth, our cognizance on HII concerns must shift from details entry to details sensemaking, a comparatively new time period coined to explain the method of digesting details and realizing its constitution and intricacies so one can make judgements and take action.

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Another issue in user models is that, in different problem-solving situations, users prefer to focus variously on the operations to achieve a single desired result, or on the operands at various stages in the computation. As an example of an Operation focus model, the traditional visualization pipeline model focuses on the process of the visualization, rather than on the state of the data. The user interface of such a system generally consist of a diagram editor that allows users to drag-and-drop processing modules onto a canvas and connect them with data pipes.

The development of a visualization model that can handle these dispartities is crucial. 3 A FRAMEWORK FOR VISUALIZING INFORMATION Reference Model Helps Usersand Designers So from the viewpoint of end-users and designers, we see that there is a need to construct a general reference model-a conceptual modelthat enables us to clearly classify and organize different operators. An operator framework is a conceptual model for all possible visualization operations. By operation, we mean all user interactions, whether based on direct manipulation or other interaction.

The Data State Model forces developers to think clearly about operators and how they relate to the view/value spectrum. Builders of general visualization systems are thus encouraged to have modular and extensible systems for specific application domains. For example, in our experience, we have applied this framework to our Visualization Spreadsheet system and extended it to multiple data domains, which we present in Chapter 5. 2 End-User Advantages using this Framework Of these three types of users, the end-user matters most, because the visualization model must help the end-users achieve their goals faster and easier.

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A Framework for Visualizing Information by Ed H. Chi (auth.)

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