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The Common Terminology Criteria for Adverse Events (CTCAE),[1] formerly called the Common Toxicity Criteria (CTC or NCI-CTC), are a set of criteria for the standardized classification of adverse effects of drugs used in cancer therapy. The CTCAE system is a product of the US National Cancer Institute (NCI).

This website supports the undertaking and oversight of clinical trials in the European Union (EU) and European Economic Area (EEA). It is part of a broad initiative to transform the EU/EEA clinical trials environment in support of large clinical trials in multiple European countries, to the benefit of medical innovation and patients. (from homepage)

The mission of the Clinical Trials Registry-India (CTRI) is to ensure that all clinical trials conducted in India are prospectively registered, i.e. before the enrolment of the first participant. Additionally, post-marketing surveillance studies, BA/BE studies as well as clinical studies as part of PG thesis are also expected to be registered in the CTRI. (from homepage) Note that the identifier in this semantic space is not the one used in the webpages

The CDC's National Center of Immunization and Respiratory Diseases (NCIRD) developed and maintains the CVX (vaccine administered) code set. The table below has the most up to date values. It includes both active and inactive vaccines available in the US. CVX codes for inactive vaccines allow transmission of historical immunization records.

A thesaurus of terms useful for digital archaeology

A UUID for a community indexed in the Data Liteacy Alliance (DALIA) web application

A UUID for an open educational resource indexed in the Data Liteacy Alliance (DALIA) web application

A representation of the periodic table of the elements in OWL, with both elements and a hierarchical classification. This is from the DARPA Agent Markup Language (DAML) project, which has been inactive since the mid 2000's.

A large RDF store built from American governmental data. This semantic space has a mixture of direct terms and subspaces.

Identifiers represent antimicrobial peptides in the Database of Antimicrobial Peptides (dbAMP) which is an open-access, manually curated database of antimicrobial peptides (AMPs).

This ontology describes the RDF representation of the contents of the dblp computer science bibliography.

This ontology is generated from the manually created specifications in the dbpedia mappings wiki. each release of this ontology corresponds to a new release of the dbpedia data set which contains instance data extracted from the different language versions of wikipedia. for information regarding changes in this ontology, please refer to the dbpedia mappings wiki.

Properties in DBPedia.

A semi-automatically generated knowledgebase

Studies in dbVar.