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Item Record: Describes the smallest unit of a resource that is managed and/or circulated individually. It provides specific information regarding the physical location when pertinent. See also Copy, Holdings, OLE Instance, Title and Piece. An "Item" can be a discreet copy.
Traditional Library Definition: An individual physical piece (e.g., a single print volume; a DVD; an archival box; a CD jewel case) to which a library typically assigns a unique barcode number and affixes the barcode number label. Historically . An electronic item may alternatively have a URI or URL. Historically the data was stored in RDBMS with some overlap to MFHD.
Authority Control/Record: Authority control is the practice of creating and maintaining index terms for bibliographic material in a catalog in library and information science. Authority control fulfills two important functions. First, it enables catalogers to disambiguate items with similar or identical headings. Second, authority control is used by catalogers to collocate materials that logically belong together, although they present themselves differently.
- MARC (auth) http://www.loc.gov/marc/authority/ecadhome.html
- MADS (auth)
- EAC (auth)
- FOAF (auth)
- FRBR Groups 2 and 3 (names and subjects) (auth)
- SKOS (auth)
- LCSH (auth) http://authorities.loc.gov/
- MESH (auth)
- Getty AAT (auth)
- Getty TGN (auth)
Types: Subject, Name, Title, Name/Title.
Authority handling options: (put value into bib, put link into bib)
Authority storing options: (download/save authority records locally, vs URL to online source)
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