13. A system for presenting images selected from an image store in response to a query, the system comprising: an image selecting component configured to select images from the image store relating to the query; an image query relevance score computing component configured to, for respective selected images, compute a query relevance score relating to the query; an image instance generating component configured to, for respective selected images: generate a first image instance of the image scaled at a first zoom level proportional to the query relevance score; and upon receiving a request to generate a differential image data set supplementing the first image instance at the first zoom level to a second image instance at the second zoom level, provide the differential image data set for the selected image instance; an image instance set preparing component configured to prepare an image instance set of image instances; and an image instance set presenting component configured to: present the image instance set of the first image instances, and upon receiving a selection of a selected image: selecting a second zoom level for the selected image instance that is greater than the first image instance; requesting from the image instance generating component a differential image data set supplementing the first image instance at the first zoom level to a second image instance at the second zoom level; and upon receiving the differential image data set, presenting the second image instance comprising the first image instance supplemented with the differential image data set, at least one component comprising a set of software instructions stored in a memory of a device and executable on a processor of the device.
13. A system for presenting images selected from an image store in response to a query, the system comprising: an image selecting component configured to select images from the image store relating to the query; an image query relevance score computing component configured to, for respective selected images, compute a query relevance score relating to the query; an image instance generating component configured to, for respective selected images: generate a first image instance of the image scaled at a first zoom level proportional to the query relevance score; and upon receiving a request to generate a differential image data set supplementing the first image instance at the first zoom level to a second image instance at the second zoom level, provide the differential image data set for the selected image instance; an image instance set preparing component configured to prepare an image instance set of image instances; and an image instance set presenting component configured to: present the image instance set of the first image instances, and upon receiving a selection of a selected image: selecting a second zoom level for the selected image instance that is greater than the first image instance; requesting from the image instance generating component a differential image data set supplementing the first image instance at the first zoom level to a second image instance at the second zoom level; and upon receiving the differential image data set, presenting the second image instance comprising the first image instance supplemented with the differential image data set, at least one component comprising a set of software instructions stored in a memory of a device and executable on a processor of the device. 17. The system of claim 13 : the presenting restricted to a presentation space, and the image instance generating component configured to generate an image instance scaled proportionally to the query relevance score of the image and relative to at least one dimension of the presentation space.