001 Knowledge

KBpedia

KBpedia is a comprehensive knowledge structure for promoting data interoperability and knowledge-based artificial intelligence, or KBAI. The KBpedia knowledge structure combines seven 'core' public knowledge bases — Wikipedia, Wikidata, schema.org, DBpedia, GeoNames, OpenCyc, and UMBEL — into an integrated whole. KBpedia's upper structure, or knowledge graph, is the KBpedia Knowledge Ontology. We base KKO on the universal categories and knowledge representation theories of the great 19th century American logician, polymath and scientist, Charles Sanders Peirce.

国立国会図書館典拠データ検索・提供サービス

Web NDL Authorities is a service by the National Diet Library (NDL), Japan, to access authority data created and maintained by the NDL. Name headings or Subject headings are assigned to the bibliographic data to distinguish different people with the same name or to identify people who use pseudonyms, nonstandard spellings, transliterated names, or other variants. To control these headings, authority data is organized to indicate alternative headings, synonyms, and the basis of choice for the headings.

Step by Step Classification

"Step by Step Classification (SSC) is a formula-based library classification scheme. The classification number (CN) of a document can be derived based on a single formula CN = I date. Each letter I date is an element representing discipline, area, time, and extra information respectively covered in the text of the classifying document. Each element is prefixed to the respective class number which is useful in locating a document in the library. To provide classification numbers certain devices like NDA, CD, and LDD are provided.

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