The Digital Library Federation (DLF) is a program of the Council on Library and Information Resources (CLIR) that brings together a consortium of college and university libraries, public libraries, museums, and related institutions with the stated mission of "advanc[ing] research, learning, social justice, and the public good through digital library technologies." It was formed in 1995.
DLF's mission is to enable new research and scholarship of its members, students, scholars, lifelong learners, and the general public by developing an international network of digital libraries. DLF relies on collaboration, the expertise of its members, and a nimble, flexible, organizational structure to fulfill its mission. To achieve this mission, DLF:
The Digital Library Federation was formed on May 1, 1995, by twelve academic libraries, the New York Public Library, U.S. Library of Congress, U.S. National Archives and Records Administration, and the Commission on Preservation and Access (CPA). [1] [2] The purpose of the organization was to create a distributed, open, digital library.
In September 1995, CPA received a nine-month planning grant from IBM for $100,000 on behalf of DLF to support the preparation of a technological and policy proposal with specific guidelines for creating and maintaining a national digital library.
Over the next nine months, DLF convened a Planning Task Force to establish working groups to consider the key technical, financial, and organizational issues to forming a national digital library, resulting in three areas of focus in which DLF could play a role in building a digital library infrastructure: discovery and retrieval, rights and economic models, and archiving. A report was issued to IBM on June 1, 1996.
Many of the DLF's early efforts formed around defining and elaborating technical architectures for digital libraries. This work focused on interoperability and metadata standards, and work was conducted intensively by the relatively small cadre of persons from the first institutions, most on a core "technical architecture committee" in DLF. For example, an early initiative led by one member of the committee, Bernie Hurley, was the articulation of an SGML DTD for encoding information about digital objects. That work, MOA2, ultimately evolved into METS. [3] Similarly, in the area of interoperability, much of the early interest in interoperability moved form a focus on the Z39.50 protocol to work on Open Access Initiatives and OAI-PMH.
DLF began under the wing of the Council on Library and Information Resources, but spun off into its own group after a few years. It was absorbed back into CLIR in 2010.
DLF has 190 members as of spring 2019. Members include larger research institutions in North America, small liberal arts colleges and their libraries, public libraries, museums, and cultural heritage organizations, but organizations such as the Coalition for Networked Information (CNI), Joint Information Systems Committee (JISC), the Los Alamos National Laboratory (LANL) research library, and Online Computer Library Center (OCLC) are also members.
The program is staffed by employees of the Council on Library and Information Resources (CLIR). The DLF program is governed by the CLIR board and a DLF advisory committee drawn from member institutions. Most of the group's activities are conducted by fellows and staff from member institutions who volunteer to coordinate a particular project or plan forum activities.
DLF initiatives change with needs; as some projects come to fruition or find new support, the DLF invests in others, staying flexible as a catalyst for experiment and change. For example, the DLF has promoted work on the following:
Forums are convened annually and include a number of digital library practitioners from the member institutions and elsewhere. The forums serve as meeting places, market places, and congresses. As meeting places they provide an opportunity for the DLF Board, advisory groups, initiatives to conduct their business and to present their work to the broader membership. As market places, they provide an opportunity for member organizations to share experiences and practices with one another and in this respect support a broader level of information sharing between professional staff. As congresses, Forums provide an opportunity for the DLF to continually review and assess its programs and its progress with input from the broader membership community.
DLF has played a significant role in the origin or evolution of these digital library initiatives:
The Dublin Core, also known as the Dublin Core Metadata Element Set (DCMES), is a set of fifteen main metadata items for describing digital or physical resources. It was the first metadata standard for describing web content. The Dublin Core Metadata Initiative (DCMI) is responsible for formulating the Dublin Core; DCMI is a project of the Association for Information Science and Technology (ASIS&T), a non-profit organization.
The Open Archives Initiative (OAI) was an informal organization, in the circle around the colleagues Herbert Van de Sompel, Carl Lagoze, Michael L. Nelson and Simeon Warner, to develop and apply technical interoperability standards for archives to share catalogue information (metadata). The group got together in the late late 1990s and was active for around twenty years. OAI coordinated in particular three specification activities: OAI-PMH, OAI-ORE and ResourceSync. All along the group worked towards building a "low-barrier interoperability framework" for archives containing digital content to allow people harvest metadata. Such sets of metadata are since then harvested to provide "value-added services", often by combining different data sets.
MARC is a standard set of digital formats for the machine-readable description of items catalogued by libraries, such as books, DVDs, and digital resources. Computerized library catalogs and library management software need to structure their catalog records as per an industry-wide standard, which is MARC, so that bibliographic information can be shared freely between computers. The structure of bibliographic records almost universally follows the MARC standard. Other standards work in conjunction with MARC, for example, Anglo-American Cataloguing Rules (AACR)/Resource Description and Access (RDA) provide guidelines on formulating bibliographic data into the MARC record structure, while the International Standard Bibliographic Description (ISBD) provides guidelines for displaying MARC records in a standard, human-readable form.
The Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) is a protocol developed for harvesting metadata descriptions of records in an archive so that services can be built using metadata from many archives. An implementation of OAI-PMH must support representing metadata in Dublin Core, but may also support additional representations.
Digital obsolescence is the risk of data loss because of inabilities to access digital assets, due to the hardware or software required for information retrieval being repeatedly replaced by newer devices and systems, resulting in increasingly incompatible formats. While the threat of an eventual "digital dark age" was initially met with little concern until the 1990s, modern digital preservation efforts in the information and archival fields have implemented protocols and strategies such as data migration and technical audits, while the salvage and emulation of antiquated hardware and software address digital obsolescence to limit the potential damage to long-term information access.
The National Institute for Technology in Liberal Education (NITLE) was a "community-based, non-profit initiative" to "help liberal arts colleges and universities integrate inquiry, pedagogy, and technology". It was established in September 2001.
In library and archival science, digital preservation is a formal process to ensure that digital information of continuing value remains accessible and usable in the long term. It involves planning, resource allocation, and application of preservation methods and technologies, and combines policies, strategies and actions to ensure access to reformatted and "born-digital" content, regardless of the challenges of media failure and technological change. The goal of digital preservation is the accurate rendering of authenticated content over time.
An institutional repository (IR) is an archive for collecting, preserving, and disseminating digital copies of the intellectual output of an institution, particularly a research institution. Academics also utilize their IRs for archiving published works to increase their visibility and collaboration with other academics. However, most of these outputs produced by universities are not effectively accessed and shared by researchers and other stakeholders. As a result academics should be involved in the implementation and development of an IR project so that they can learn the benefits and purpose of building an IR.
The term Open Archival Information System refers to the ISO OAIS Reference Model for an OAIS. This reference model is defined by recommendation CCSDS 650.0-B-2 of the Consultative Committee for Space Data Systems; this text is identical to = 57284 ISO 14721:2012. The CCSDS's purview is space agencies, but the OAIS model it developed has proved useful to other organizations and institutions with digital archiving needs. OAIS, known as ISO 14721:2003, is widely accepted and utilized by various organizations and disciplines, both national and international, and was designed to ensure preservation. The OAIS standard, published in 2005, is considered the optimum standard to create and maintain a digital repository over a long period of time.
The Public Knowledge Project (PKP) is a non-profit research initiative that is focused on the importance of making the results of publicly funded research freely available through open access policies, and on developing strategies for making this possible including software solutions. It is a partnership between the Faculty of Education at the University of British Columbia, the Canadian Centre for Studies in Publishing at Simon Fraser University, the University of Pittsburgh, Ontario Council of University Libraries, the California Digital Library and the School of Education at Stanford University. It seeks to improve the scholarly and public quality of academic research through the development of innovative online environments.
The Metadata Encoding and Transmission Standard (METS) is a metadata standard for encoding descriptive, administrative, and structural metadata regarding objects within a digital library, expressed using the XML schema language of the World Wide Web Consortium (W3C). The standard is maintained as part of the MARC standards of the Library of Congress, and is being developed as an initiative of the Digital Library Federation (DLF).
The Biodiversity Heritage Library (BHL) is the world’s largest open access digital library for biodiversity literature and archives. BHL operates as a worldwide consortium of natural history, botanical, research, and national libraries working together to address this challenge by digitizing the natural history literature held in their collections and making it freely available for open access as part of a global "biodiversity community". The BHL consortium works with the international taxonomic community, publishers, bioinformaticians, and information technology professionals to develop tools and services to facilitate greater access, interoperability, and reuse of content and data. BHL provides a range of services, data exports, and APIs to allow users to download content, harvest source data files, and reuse materials for research purposes. Through taxonomic intelligence tools developed by Global Names Architecture, BHL indexes the taxonomic names throughout the collection, allowing researchers to locate publications about specific taxa. In partnership with the Internet Archive and through local digitization efforts, BHL's portal provides free access to hundreds of thousands of volumes, comprising over 59 million pages, from the 15th-21st centuries.
BASE is a multi-disciplinary search engine to scholarly internet resources, created by Bielefeld University Library in Bielefeld, Germany. It is based on free and open-source software such as Apache Solr and VuFind. It harvests OAI metadata from institutional repositories and other academic digital libraries that implement the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH), and then normalizes and indexes the data for searching. In addition to OAI metadata, the library indexes selected web sites and local data collections, all of which can be searched via a single search interface.
Preservation metadata is item level information that describes the context and structure of a digital object. It provides background details pertaining to a digital object's provenance, authenticity, and environment. Preservation metadata, is a specific type of metadata that works to maintain a digital object's viability while ensuring continued access by providing contextual information, usage details, and rights.
A digital library is an online database of digital objects that can include text, still images, audio, video, digital documents, or other digital media formats or a library accessible through the internet. Objects can consist of digitized content like print or photographs, as well as originally produced digital content like word processor files or social media posts. In addition to storing content, digital libraries provide means for organizing, searching, and retrieving the content contained in the collection. Digital libraries can vary immensely in size and scope, and can be maintained by individuals or organizations. The digital content may be stored locally, or accessed remotely via computer networks. These information retrieval systems are able to exchange information with each other through interoperability and sustainability.
GLAM is an acronym for galleries, libraries, archives, and museums, and refers to cultural institutions with a mission to provide access to knowledge. GLAMs collect and maintain cultural heritage materials in the public interest. As collecting institutions, GLAMs preserve and make accessible primary sources valuable for researchers.
The HBCU Library Alliance is a consortium of libraries at Historically Black Colleges and Universities (HBCUs). Founded in 2002 by deans and directors of libraries at HBCUs, the consortium comprises over 100 member organizations. The alliance specifically represents the organizations included in the White House HBCU Initiative. In 2019 the HBCU Library Alliance entered into a national partnership with the Council on Library and Information Resources.
The Council on Library and Information Resources (CLIR) is an American independent, nonprofit organization. It works with libraries, cultural institutions, and higher learning communities on developing strategies to improve research, teaching, and learning environments. It is based in Alexandria, VA, United States. CLIR is supported primarily by annual dues from its over 180 sponsoring institutions and 190 DLF members, and by foundation grants and individual donations.
Michael Alan Keller is an American academician and librarian. He holds an appointment at Stanford University as the Ida M. Green University Librarian and, until August 31, 2020, Vice Provost for Teaching and Learning (2018-2020).
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