Faceted Metadata for Image Search and Browsing  

The authors present a new method of image searching based on conceptual descriptors. This method differs from the traditional methods of image searching that are based on keywords and visual similarity.

Hearst, Marti, Kevin Li, Kirsten Swearingen and Ka-Ping Yee. University of California Berkeley (2003). Design>Web Design>Graphic Design>Search

Making $10,000 a Pixel: Optimizing Thumbnail Images in Search Results

In search results, the old adage a picture is worth a thousand words rings true. When it comes to making your search results more efficient to use, more relevant, and more attractive, images reign supreme. There is simply nothing else on your search results pages that can come close to offering the same potential as thumbnail images for dramatically increasing your conversion rates and revenues.

Nudelman, Greg. UXmatters (2009). Articles>Web Design>Graphic Design>Search