This is a preliminary functional description of access RLG can provide
to The AMICO Library using RLG's Arches infrastructure and Eureka
interface, in the time available for the University Testbed (to be
available to licensed users on August 24, 1998) and the preview of
the Testbed (to be available on July 1, 1998).
Using the Arches infrastructure allows building on an existing combination
of browser, gateway, and server functions to provide a coherent view
of complex results consisting of text and images. Supported browsers
include Netscape Navigator 3 or later (for Windows and Macintosh),
Microsoft Internet Explorer 4 or later, and other browsers that identify
themselves as compatible with these releases.
The Eureka framework provides, from a user's point of view, simple
and advanced searching (including brief context-sensitive help with
formulating search terms for each access point, and comprehensive
guidance for selecting search options), a brief display of multiple
records, labeled display of structured text records, means for navigating
between views of images and views of text, a means for assembling
a personal list of items across different search results, for subsequent
printing or downloading, and a way for users to send comments.
Experience with the testbed may reveal to users and us what different
or additional kinds of access and information may be most desirable.
1. Purpose and Goals
The testbed is a trial implementation of access to The AMICO Library
for faculty and students at higher education institutions covered
by licenses. Uses include discovery, assessment, and obtaining images,
but not image manipulation (for example, zooming or cropping).
The preview of the testbed is intended to allow syllabus planning
by faculty before the testbed is in place. Access is limited to connections
from users of participating institutions.
2. Content of the testbed
Documentation and images for approximately 20,000 works.
Brief documentation and a thumbnail image (only) for each of the works
represented in the testbed will be present.
2.1 Derivative Images
Pixel dimensions are provisional. Thumbnail images will be jpg, 24-bit
color, with a maximum dimension of 128 pixels. Snapshot images will
be jpg, 24-bit color, with maximum dimension in the neighborhood of
250 pixels. Inspection images will be jpg, 24-bit color, high compression,
640x480 pixels. Presentation images will be jpg, 24-bit color, with
minimal degradation, 1024x768 pixels.
Thumbnail images must retain the aspect ratio of the original
image, and represent the entire image.
Watermarks, authentication, or color management will not be a formal
component of the University Testbed.
Thumbnail, Snapshot, Inspection, and Presentation images will be present.
Thumbnail images will be present.
2.2 Textual data
A separate document covering the mapping of structured data is attached.
2.3 Additional resources
If structured text records include references to less-structured text
or other associated files, links will be made available to bring up
the files in their native formats. Suggestions and links for obtaining
required viewers will be offered.
Access will be limited to licensed users.
IP and password access will be supported. Some sites will wish to
control access to this remote service locally, and RLG can provide
support for methods currently in use. RLG will automate IP-filtered
access for other institutions, providing a URL for connecting to the
Testbed and preview. Off-site users will be able to connect using
a user name and password obtained from their institutions.
3.2 Access points
Some of these will also be combined (together with data from some
notes) in a Keyword index for subject/context access.
for a particular work
for works of a particular artist
for a particular kind of work
Object-Type or Classification-Term
for works now in a particular place
A keyword index will combine Creator-Name, Creator-Nationality/Culture,
Object Type, Title/Name and other fields; no fields that do not appear
on the brief display will be a part of this index.
Selected metadata for each image (including rights and a media note
with capture details) will be made available for printing or downloading
through a link that accompanies the image.
RLG will count accesses to images and other multimedia files, but
not to records.
The arrangement and labeling of catalog data is not covered here.
4.1 Brief display of search results
A limited subset of textual data:
Materials and Techniques-Description
One thumbnail image for each work will appear on the brief display.
There may be an option for switching off display of images with this
Results (within some limit for number of works) will be sortable by
title of work
date of creation
The current Eureka limit for sorting is 250 records.
Results (within some limit for number of works) will be sorted by
4.2 Full display of structured data
Complete cataloging data for each work will be available in a formatted
display. Fields that distinguish component elements that are also
present in text strings may not be repeated; for example, the various
measurement components may not display in addition to Measurements-Text.
This display will offer access to unstructured text and associated
Display of complete cataloging data will not be available.
5. Downloading of images and text
Users will be able to print or save images as they find them, or to
construct a list of images using a tool like the "Eureka Notebook,"
incorporating results from many searches for printing or downloading.
Users will be able to print or download descriptive records as formatted
A means of accessing images of greater resolution will be offered.
These images will not be delivered through the testbed interface.
Each AMICO contributor will have a single URL to be used in contacting
the Rights office.
RLG will maintain this reference when notified of changes by contributors
Users have institutional licenses.