ISBD for Manifestation

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Introduction

Terminology

The label of a manifestation element may include the qualifier "manifestation" to distinguish it from similar elements and labels that will be developed for the other IFLA Library Reference Model entities in the future.

The label "has identifier for manifestation" distinguishes the element from "has identifier for work", a possible future element for the Work entity. Every entity requires a similar identifier element to support entity-based cataloguing, except for Nomen which accommodates identifiers and other appellations as instances of the entity.

The label of an entity has an initial upper-case letter when it refers to the entity as a whole.

The label of an entity has an initial lower-case letter when it refers to an instance of the entity. The explicit phrase "instance of …" is used when clarification is required.

The manifestation that is being described is referenced in stipulations as "the manifestation".

Guidance that begins "Consider …" must be followed for effective application of stipulations.

The phrase "if it is considered to be useful for users of the metadata" indicates that a stipulation is optional; if the phrase is not included, the stipulation is mandatory.

A stipulation that begins "For a manifestation that …" applies only to a manifestation that meets the condition.

A stipulation that includes "If …" applies only to an entity or element that meets the condition.

The term "value" refers to the content that is recorded for an ISBDM element.

Values in examples that are strings are enclosed in or delimited by double quote marks ("string"). A local application of ISBDM may use a different method of delimiting a string, or may not require delimiters to be recorded. Values that are linked data internationalised resource identifiers (IRIs) for things are not enclosed in double quote marks.

Diagrams

An oval in an entity-relationship diagram represents an entity or an instance of an entity.

A rectangle in an entity-relationship diagram represents a string value.

A line that connects two ovals represents a relationship between entities or instances of entities.

A line that connects an oval with a rectangle represents a relationship or attribute that has a string value.

An arrow that terminates a line represents the direction of the relationship. An arrow at either end of a line represents a combination of a relationship and its inverse.