Web & Linked Data

A JSON-LD vocabulary for representing social activities, powering ActivityPub and the fediverse.

A W3C protocol for decentralized social networking, enabling server-to-server federation across the fediverse.

Transforms scholarly content into self-describing, machine-actionable linked documents using HTML and JSON-LD.

Describes reusable interoperability assets like schemas, code lists, and data models across borders.

An XML-based web syndication format for publishing and consuming feeds of entries such as blog posts and news.

Fourteen interlinked RDF ontologies powering linked data across BBC Sport, News, Music, and more.

A linked data vocabulary built around Work, Instance, and Item to replace MARC for library data.

An OWL ontology for modeling citations, documents, and scholarly references on the Semantic Web.

Tamper-evident content credentials that certify the provenance and edit history of digital media.

An ontology that captures the rhetorical and factual reasons one publication cites another.

A Schema.org-based vocabulary for describing research software across repositories and platforms.

A human-readable query language for information retrieval systems, used with SRU and library search protocols.

A metadata format for describing, discovering, and programmatically loading machine learning datasets.

A W3C standard for annotating CSV files with datatypes, relationships, and conversion rules.

A full-stack bill of materials standard covering software, hardware, SaaS, AI, and cryptography.

A W3C vocabulary for describing datasets and data services in federated catalogs on the web.

Lightweight JSON-based specifications for packaging, describing, and validating tabular datasets.

Provides structured concepts for describing personal data processing, privacy rights, and legal bases.

Provides an RDF vocabulary for describing and assessing data quality dimensions, metrics, and certificates.

A cross-domain ontology derived from Wikipedia infoboxes, covering 768 classes and 3,000 properties.

Lets metadata designers define application profiles as simple CSV tables with shapes and constraints.

A European application profile that standardizes dataset descriptions across government data portals.

Defines the underlying information structures for all Dublin Core metadata descriptions.

The full set of properties, classes, and encoding schemes maintained by the Dublin Core community.

Twelve broad classes for categorizing the nature or genre of a resource, from Dataset to Text.