Presentation Transcript
American Memory CollectionLibrary of Congress :American Memory CollectionLibrary of Congress Amy Rack
November 9, 2009
History :History The American Memory historical collection grew out of a pilot program run by LC from 1990-1994.
Material was distributed by CD-ROM until the advent of the internet.
LC created the National Digital Library Program.
The American Memory historical collection is the flagship of the program. http://memory.loc.gov/ammem/about/index.html
General Information :General Information The American Memory collection is comprised of:
Over 9 million digital objects
Over 100 thematic classes
Original formats include:
Manuscripts, books and pamphlets
Prints, photographs, posters and maps
Sound recordings, motion pictures and sheet music http://memory.loc.gov/ammem/about/about.html
Mission :Mission To showcase the exceptional primary sources held by the Library of Congress.
“American Memory provides free and open access through the Internet to written and spoken words, sound recordings, still and moving images, prints, maps, and sheet music that document the American experience. It is a digital record of American history and creativity.” http://memory.loc.gov/ammem/about/index.html
Selection Criteria :Selection Criteria Only a small fraction of the holdings belonging to the Library of Congress have been or will be digitized
The collection seeks to digitize:
unique, rare or valuable items
holdings that reflect American history and culture
objects that the library believes it has the technology to capture, provide access to and preserve http://memory.loc.gov/ammem/help/faq.html
Copyright :Copyright Do not own the rights to the collections
Present relevant copyright information in the accompanying documentation
State that it is the obligation of the researcher to contact copyright holders and obtain permission for reproduction or use. http://www.loc.gov/homepage/legal.html
Description & Encoding Standards :Description & Encoding Standards MARCXML and MODS
METS and MIX
PREMIS
SRU
OAI-Harvestable Records http://www.loc.gov/library/digitalstandards.html
http://www.loc.gov/standards/
File Formats :File Formats Text and Page Images:
Tagged Image File Format (TIFF, .tif)
PCX (.pcx)
Portable Document Format (PDF, .pdf)
Multi-resolution Seamless Image Database (MrSID, .sid)
Standard Generalized Markup Language (SGML, .sgm)
Video:
Motion Picture Experts Group (MPEG, .mpg, .mpeg)
QuickTime (.mov)
RealMedia (.rm, .ram) http://memory.loc.gov/ammem/help/view.html#sound
File Formats (cont.) :File Formats (cont.) Sound Recordings:
RealAudio (.ra, .ram)
MP3, (.mp3)
Waveform (WAV, .wav)
Maps:
JPEG2000 (.jp2)
Multi-resolution Seamless Image Database (MrSID, .sid)
Prints and Photographs:
Tagged Image File Format (TIFF, .tif) http://memory.loc.gov/ammem/help/view.html#sound
General Interface :General Interface
General Interface :General Interface Search and Browse
Collection Highlights
Today in History
Teachers
Ask a Librarian
About, Help, Contact
Collection Navigation :Collection Navigation Multiple ways to browse
Topic
Time Period
Source Format
Geographic Location
Collection List
Subject
Title http://memory.loc.gov/ammem/browse/index.html
Collection Navigation (cont.) :Collection Navigation (cont.) Search
American Memory as a whole
Group of collections
Individual collection
Descriptive Information
Match all, some, exact
Word variants
Limit results http://memory.loc.gov/ammem/help/search_help.html
Evaluation :Evaluation “User friendly…thrilled with the outcome”
“Rich resource…a rewarding experience”
Amazing collection of primary sources
Non-engaging initial interface
Inconsistent collection level interface
Browse over search
No classification scheme
Resources :Resources Kottler, E. & Street C. (2002). Accessing American Memory--On-line tour of the Library of Congress collections. Social Studies, 93(3), p. 140-141
Russ, K. (2004). American Memory: Historical collections for the national digital library. Arkansas Libraries, 61(3), p. 23-24.
A significant amount of information for this presentation was taken from the American Memory Collection site (http://memory.loc.gov) and the Library of Congress site (http://www.loc.gov). Citations for specific web pages can be found in the footnotes on individual slides.