August 9, 2012
Digital Libraries and Repositories in the US
The age of technology has
greatly transformed the ways we store and access information. In the past, it
was somewhat difficult to find all of the information available on a particular
topic, digital libraries and repositories have made it simple for anyone with
access to a computer to find a wealth of information with a few simple clicks.
These resources store a variety of different types of documents in digital
formats and include everything from audio and video files to academic texts and
vital documents. In the US, there are thousands of digital libraries and
repositories, many of which offer free access to users, making information
widely available to anyone with an interest.
Searching for Information
The majority of digital
libraries and repositories offer a user interface that allows for general or
detailed searches. In addition, it is possible to search multiple servers
within a federation through either distributed searching or by searching
harvested metadata. In distributed searching, duplicate results are grouped or
eliminated from the final results while the other results are properly sorted.
This makes it much faster and easier to find needed information, but can be
limited by the capabilities of the included databases.
In searches for previously
gathered metadata, no connections to the digital libraries are needed. Instead,
results will dome from indexed representations of the information. This
approach has the benefit of offering more consistent results, but the resources
needed for such searches are much more expensive to maintain.
Advantages
There are many advantages to
using digital libraries and repositories over their traditional counterparts.
While traditional resources have limits on available storage space, digital
versions have nearly unlimited storage capabilities, making the maintenance
costs much lower. This cost is further reduced by the fact that there is no
need to pay for book maintenance, staff members, new books, and building rent.
In addition, both types of libraries must have a method of cataloging
materials, but digital libraries are more likely to take steps to constantly
improve these methods and to make the collections more easily accessible for
users. Finally, physical storage methods are not equally available to members
of all geographic areas, while the digital versions can be accessed by anyone
from any location with no periods of unavailability that makes
custom essay writing much easier for student from all over the world.
Digital Libraries and
Repositories in the US
Below is a list of some of the
most popular digital libraries and repositories in the US:
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Hathi Trust – The Hathi Trust is a collaboration of research
libraries with the purpose of creating a repository for digitally storing
members’ content. This endeavor currently includes millions of publications
including books, government documents, journals, and public domain content.
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LOCKSS –Lots of Copies Keep Stuff Safe is an archiving system
developed by the Stanford University system for keeping copies of distributed
e-journals.
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ProQuest UMI
Dissertation Publishing – This
service is the largest repository of U.S. And Canadian university dissertations
and theses.
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Associated
Press – This service hosts global
news in text, photo, audio, and video formats.
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The Internet
Archive – This organization
gathers digital content from the Internet that is then maintained and stored in
an open access repository.
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