An automatic presentation system is an intelligent interface component which receives information from a user or application program and designs a combination of graphics and text that effectively conveys it. It is a facility that assumes the presentation responsibilities for other programs. An important research question has been how information should be specified or described by an application program for it to be presented by an automatic presenter.This paper proposes a taxonomy of information characteristics which would need to be provided to either human or computer designers for them to create presentations reflecting the individual needs of a diverse group of users. The proposed taxonomy of characteristics defines the representationai goals for intelligent interfaces which reason about graphical displays. INTRODUCTION:
Tools for creating data graphics are complex, require significant graphic expertise, and use predefmed graphics that cannot integrate multiple data types. To solve these problems, we applied automatic data presentation capabilities to enable two interactive design tools. SageBrush enables users to assemble gmphical sketches from primitives and partial prototypes, SageBook enables users to browse previously created pictures relevant to new data. SAGE, an automatic presen~ation system, supports these by completing underspecified designs, rendering unique graphic combinations, searching for relevant pictures, and redesigning old pictures to display new data, Our claim is that design interfaces must have automatic graphic knowledge to be effective.We demonstrate a simple and powerful predictive interface technique for text editing tasks. With cur technique called thedynamic mucro creation, when a user types a special "repeat" key after doing repetitive operations in a [text editor, an editing sequence corresponding to one iteration is detected, defined as a macro, and executed at the same time. When we use another special "predict" key in addkion to the repeat key, wider range of prediction schemes can be performed (depending on the order of using these two keys.207
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