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The IFLA Library Reference Model (IFLA LRM) is a conceptual
The IFLA Library Reference Model (IFLA LRM) is a conceptual entity–relationship model
An entity–relationship model (or ER model) describes interrelated things of interest in a specific domain of knowledge. A basic ER model is composed of entity types (which classify the things of interest) and specifies relationships that can ex ...
developed by the International Federation of Library Associations and Institutions
The International Federation of Library Associations and Institutions (IFLA) is the leading international body representing the interests of people who rely on libraries and information professionals. An independent, non-governmental, not-for-pro ...
(IFLA) that expresses the "logical structure of bibliographic information". It unifies the models of Functional Requirements for Bibliographic Records
Functional Requirements for Bibliographic Records (FRBR ) is a conceptual entity–relationship model developed by the International Federation of Library Associations and Institutions (IFLA) that relates user tasks of retrieval and access in onlin ...
(FRBR), Functional Requirements for Authority Data
Functional Requirements for Authority Data (FRAD), formerly known as Functional Requirements for Authority Records (FRAR) is a conceptual entity-relationship model developed by the International Federation of Library Associations and Institutions ...
(FRAD) and Functional Requirements for Subject Authority Data Functional Requirements for Subject Authority Data (FRSAD), previously known as Functional Requirements for Subject Authority Records (FRSAR), is a conceptual entity-relationship model developed by the International Federation of Library Associatio ...
(FRSAD). The IFLA LRM is intended to be used as the basis of cataloguing rules and implementing bibliographic information systems. It has Library of Congress subject heading number 2017004509.
Differences from FR-series models
IFLA LRM adds super-classes ''res'' ("thing") and ''agent'' to facilitate formal relationship definitions. ''Time span'' and ''place'' are entities rather than literal values. It uses the same Work, Expression, Manifestation, Item (WEMI) model as FRBR Group 1 entities. The FRBR Group 2 ''corporate body'' and FRAD ''family'' are combined into a single ''collective agent'' type. FRBR Group 3 entities are deprecated. A redefined ''nomen'' type encompasses ''name'' from FRAD plus ''nomen'', ''identifier'', and ''controlled access point'' from FRSAD.See also
*Resource Description and Access
Resource Description and Access (RDA) is a standard for descriptive cataloging initially released in June 2010, providing instructions and guidelines on formulating bibliographic data. Intended for use by libraries and other cultural organization ...
(RDA)
*FRBRoo
The FRBRoo ("FRBR-object oriented") initiative is a joint effort of the CIDOC Conceptual Reference Model and Functional Requirements for Bibliographic Records international working groups to establish "a formal ontology intended to capture and repr ...
*CIDOC Conceptual Reference Model The CIDOC Conceptual Reference Model (CRM) provides an extensible ontology for concepts and information in cultural heritage and museum documentation. It is the international standard ( ISO 21127:2014) for the controlled exchange of cultural h ...
*BIBFRAME BIBFRAME (Bibliographic Framework) is a data model for bibliographic description. BIBFRAME was designed to replace the MARC standards, and to use linked data principles to make bibliographic data more useful both within and outside the library com ...
Notes
References
* * * *Further reading
* * * Library cataloging and classification Library 2.0 Reference models {{Library-stub