Libraries & Library Science
109 standards in this subject area
Analyzed Layout and Text Object
(ALTO)Encodes the physical layout and recognized text of digitized document pages from OCR output.
Anglo-American Cataloguing Rules, Second Edition
(AACR2)The cataloguing rulebook that defined how English-speaking libraries described their collections.

ANSI/NISO Z39.105-2023, Content Profile/Linked Document
(CP/LD)Transforms scholarly content into self-describing, machine-actionable linked documents using HTML and JSON-LD.
Archival Resource Key
(ARK)A persistent identifier scheme for long-term access to information objects managed by memory institutions.

Art & Architecture Thesaurus
(AAT)A multilingual thesaurus of over 55,000 concepts for art, architecture, and material culture.
AudioMD: Audio Technical Metadata Extension Schema
(AudioMD)An XML schema for recording technical metadata about audio digital objects in preservation systems.
Australian Government Locator Service
(AGLS)A Dublin Core profile that mandated metadata for Australian government services and information.

BagIt File Packaging Format
(BagIt)A file packaging convention using manifests and checksums for reliable digital content transfer.
BIBFRAME (Bibliographic Framework Initiative)
(BIBFRAME)A linked data vocabulary built around Work, Instance, and Item to replace MARC for library data.

Bibliographic Ontology
(BIBO)An OWL ontology for modeling citations, documents, and scholarly references on the Semantic Web.
Bibliographic Reference Ontology
(BiRO)An OWL ontology for describing bibliographic references and their ordered collections within citing works.
Book Interchange Tag Suite
(BITS)An XML tag suite extending JATS to encode the full text and metadata of scientific books.
Cataloging Cultural Objects
(CCO)Rules and best practices for creating consistent, sharable descriptions of cultural works and images.

Categories for the Description of Works of Art
(CDWA)A framework of 540 categories for describing works of art, architecture, and material culture.
CIDOC Conceptual Reference Model
(CIDOC-CRM)An ISO-standard ontology for integrating cultural heritage data across museums, libraries, and archives.

Citation Style Language
(CSL)An open XML-based language for defining citation and bibliography formatting rules used by reference managers worldwide.

Citation Typing Ontology
(CiTO)An ontology that captures the rhetorical and factual reasons one publication cites another.

Contextual Query Language
(CQL)A human-readable query language for information retrieval systems, used with SRU and library search protocols.
Contributor Roles Taxonomy
(CRediT)A taxonomy of fourteen roles capturing how each contributor participated in scholarly research.
copyrightMD
An XML schema for encoding copyright status and rights information within digital library objects.
COUNTER Code of Practice
(COUNTER)The international standard for measuring and comparing usage statistics of electronic resources.
Crossref Metadata Schema
The XML schema publishers use to register DOIs and deposit bibliographic metadata with Crossref.

DataCite Metadata Schema
Core metadata properties for identifying and citing research datasets registered with DOIs.
DC Tabular Application Profiles
(DC TAP)Lets metadata designers define application profiles as simple CSV tables with shapes and constraints.
DCMI Abstract Model
(DCAM)Defines the underlying information structures for all Dublin Core metadata descriptions.