Highlighting objects in one part of a visualization causes those same objects to be highlighted in a different view. 

Brushing and linking

Providing an overview of the data, zooming in to pictures, and panning laterally across a view of the data.

Movie camera-style interaction

Small, high-resolution graphics embedded in a context of words, numbers, images.

Sparklines

- Draw the viewer’s attention to the most important part of the display, while shrinking down the less important information.
- e.g: fisheye view: the focus is of normal size but the information around it is miniaturized and distorted, usually with a gaussian function, (not really helpful though).

Distortion-based techniques 

- Brushing and linking
- Movie camera-style interaction
- Judicious use of animation 
- Distortion-based techniques 
- Sparklines

Indiana University

Since the human perceptual system is highly attuned to image, incorporating visual information into the display using techniques from the field of information visualization would be helpful to the search process, which makes the communication more rapidly and effectively.

Information Visualization for Search Interface

Hearst, M. A. (2009). Search user interfaces. Cambridge University Press. [https://searchuserinterfaces.com/book/]

Search User Interfaces

Good visualizations use graphics to organize information, highlight important information, allow for visual comparisons, and reveal patterns, trends, and outliers in the data. Some principles include:
-	Preattentiveness
-	Visual components that are useful for making quantitative comparisons. Graphical vocabulary consisting of marks (points, lines, areas), retinal variables (color, size, shape, orientation, scale), and position (relative locations of marks within a spatial field).
-	Gestalt principles (proximity) 

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