The Access to Biological Collections Data (ABCD) schema is a highly structured

data exchange Data exchange is the process of taking data structured under a ''source'' schema and transforming it into a ''target'' schema, so that the target data is an accurate representation of the source data.A. Doan, A. Halevy, and Z. Ives.Principles of da ...

and

access Access may refer to: Companies and organizations * ACCESS (Australia), an Australian youth network * Access (credit card), a former credit card in the United Kingdom * Access Co., a Japanese software company * Access Healthcare, an Indian BPO se ...

model A model is an informative representation of an object, person or system. The term originally denoted the Plan_(drawing), plans of a building in late 16th-century English, and derived via French and Italian ultimately from Latin ''modulus'', a mea ...

for

taxon In biology, a taxon (back-formation from ''taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular nam ...

occurrence data (specimens, observations, etc. of living organisms), i.e. primary

biodiversity Biodiversity or biological diversity is the variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic (''genetic variability''), species (''species diversity''), and ecosystem (''ecosystem diversity'') l ...

data. In 2006, an 'Extension For Geosciences' was added to the

schema The word schema comes from the Greek word ('), which means ''shape'', or more generally, ''plan''. The plural is ('). In English, both ''schemas'' and ''schemata'' are used as plural forms. Schema may refer to: Science and technology * SCHEMA ...

, to form the ABCDEFG Schema, and in 2010,

Biodiversity Information Standards (TDWG) Biodiversity Information Standards (TDWG), originally called the Taxonomic Databases Working Group, is a non-profit scientific and educational association that works to develop open standards for the exchange of biodiversity data, facilitating bio ...

published a draft standard extension for DNA, called ABCDDNA.

References

External links

*https://www.tdwg.org/standards/abcd/ *http://www.codata.org/ *https://web.archive.org/web/20070929124618/http://www.wfcc.nig.ac.jp/NEWSLETTER/newsletter36/a6.pdf the ABCD

database schema The database schema is the structure of a database described in a formal language supported by the database management system (DBMS). The term "schema" refers to the organization of data as a blueprint of how the database is constructed (divide ...

Bioinformatics XML-based standards {{bioinformatics-stub