[Metadatalibrarians] Embedded Metadata projects

Mon Jul 27 12:28:17 PDT 2009

The Federal Agencies Digitization Guidelines Initiative has several subgroups working on embedded metadata for both still images and A/V materials.  The issues are complex enough that the Still Image subgroup is starting with the development of use cases for embedded metadata.  The nine use cases pertaining to image identity have been posted to the VRA wiki mentioned yesterday in the hope that we can get input from the greatest number of individuals and organizations possible.  

We have already posted a guideline for the core TIFF metadata tags we expect in a TIFF image file, but we have not even started to draft guidelines for a more adequate embedded metadata set.  We expect that we will eventually recommend XMP because XMP is a "container" standard that supports not only IPTC metadata, but also Dublin Core, Exif (technical metadata), and PLUS (copyright and licensing metadata).  XMP supports placing metadata in TIFF, JPEG, GIF, JPEG2000, and PNG files in addition to PDF files.  We know of no other technology that provides such flexibility but there are numerous details and problems to be worked out before any guidelines can be drafted.

If you would like to have input into the process, here are some resouces:

The Federal Agencies site is at:  http://www.digitizationguidelines.gov/stillimages/

The draft uses cases are on the VRA site at:  http://metadatadeluxe.pbworks.com/Other-projects linked under the "Embedded Metadata Subgroup." 

You may also contact Christa Maher (cmah at loc.gov) or me directly at the Library of Congress.

-Barry

   ----------------------------------------------------------
F. Barry Wheeler,        bwhe at loc.gov      202 707 8581

Digital Media Project Coordinator
Office of Strategic Initiatives
Library of Congress
101 Independence Ave SE, LA-G04
Washington, DC 20540-1310

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Today's Topics:

   1. Re: IPTC metadata (Rose, Tricia)

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Message: 1
Date: Fri, 24 Jul 2009 09:40:51 -0700
From: "Rose, Tricia" <trose at ucsd.edu>
Subject: Re: [Metadatalibrarians] IPTC metadata
To: A listserv for Metadata Librarians
	<metadatalibrarians at lists.monarchos.com>
Message-ID:
	<82C967D6FFB3824DBC01CAE67E89307203528DAD at LIB-EXCHANGE.AD.UCSD.EDU>
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There is a Visual Resources Association Data Standards Group (VRA DSC)
group that is investigating the issue of embedded metadata  and they
have a great wiki that provides a lot of information.  Feel free to
check it out http://metadatadeluxe.pbworks.com/ and join the
conversation.

Trish Rose-Sandler
Metadata  Librarian

UC, San Diego
Geisel Library
9500 Gilman Drive 0175K
La Jolla, CA  92093-0175
(858) 822-0611

-----Original Message-----
From: Pilsk, Suzanne [mailto:PilskS at si.edu] 
Sent: Thursday, July 23, 2009 1:56 PM
To: metadatalibrarians at lists.monarchos.com
Subject: Re: [Metadatalibrarians] IPTC metadata

We have begun to explore embedding metadata in images and looking at the
IPTC.  It is interesting to see what and how this can be done and there
are some hurdles.

The advantage of having some standard information travelling with the
image helps insure that copyright information and basics of
who/what/when/where the images came from stays with the image as it
travels about.

We are also looking at the XMP in Adobe PDFs.

Suzanne

Suzanne C. Pilsk
Smithsonian Institution Libraries 40th Anniversary
Connecting. Ideas. Information. You.
10th & Constitution Avenues, NW, NHB-30
MRC 154, P.O. Box 37012
Washington, DC 20013-7012
v. 202.633.1646
PilskS at si.edu
P Please consider the environment before printing this email.

-----Original Message-----
From: metadatalibrarians-bounces at lists.monarchos.com
[mailto:metadatalibrarians-bounces at lists.monarchos.com] On Behalf Of
Kristin E. Martin
Sent: Thursday, July 23, 2009 4:50 PM
To: metadatalibrarians at lists.monarchos.com
Subject: [Metadatalibrarians] IPTC metadata

I'm wondering if anyone on the list has experience with IPTC 
(International Press and Telecommunications Council) metadata.  I've 
been talking with a colleague here who is a professional photographer 
and uses it as part of her professional work, and suggested the library 
use the standard for its descriptive metadata  for image digitization 
projects.  The advantages: the metadata would be imbedded within the 
image itself, and many image software programs are compatible with IPTC 
metadata standards.  I am not terribly familiar with the standard and 
wonder about it being developed for a specific purpose versus (press 
images) versus the more general purpose of library digital image 
collections. 5 of the elements map to Dublin Core.  Has anyone out 
worked with the standard?  What has your experience been?

I also wonder, in a more general context, about the advantages of 
embedding metadata within an image.  I'm more used to thinking of 
metadata as residing along side the digital object, particularly with 
descriptive metadata.  Most digital library programs keep the two 
separate and link them up. I suppose you can always extract the embedded

metadata for searching purposes.  I'm curious as to anyone's thoughts 
and feelings on embedded metadata.

I realize this is sort of vague, but I'm just starting to consider what 
to do with this.

Thanks,

Kristin

-- 
Kristin E. Martin
Metadata Librarian
Catalog Department (MC 234)
2-390 Richard J. Daley Library
University of Illinois at Chicago
801 S. Morgan
Chicago, IL  60607
312-413-5052
312-413-0424 (Fax)
kmarti at uic.edu

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End of Metadatalibrarians Digest, Vol 61, Issue 12
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