diff --git a/daia-schema/daia.schema.json b/daia-schema/daia.schema.json index dcbf751..134c7fd 100644 --- a/daia-schema/daia.schema.json +++ b/daia-schema/daia.schema.json @@ -79,6 +79,15 @@ ], "type": "object" }, + "chronology": { + "additionalProperties": true, + "properties": { + "about": { + "type": "string" + } + }, + "type": "object" + }, "count": { "minimum": 1, "type": "integer" @@ -154,6 +163,9 @@ }, "type": "array" }, + "chronology": { + "$ref": "#/types/chronology" + }, "department": { "$ref": "#/types/entity" }, diff --git a/daia.md b/daia.md index 22a7d9d..6f37d33 100644 --- a/daia.md +++ b/daia.md @@ -205,6 +205,7 @@ href URL OPTIONAL web page about the item part string OPTIONAL whether and how the item is partial label string OPTIONAL call number or similar item label for finding or identification about string OPTIONAL human-readable description of the item +chronology [chronology] OPTIONAL chronology or enumeration of the item department [entity] OPTIONAL an administrative sub-entitity of the institution storage [entity] OPTIONAL a physical location of the item (stacks, floor etc.) available array of [available] OPTIONAL set of available [services] @@ -688,6 +689,39 @@ A public domain audio book: ``` +## Chronology + +A **chronology** is a JSON object with one OPTIONAL field: + +name type description +------- ------- ----------- ------------------------------------------------------ +about string OPTIONAL human-readble summary of the chronology or enumeration +------- ------- ----------- ------------------------------------------------------ + +A chronology specifies the extend of a partitioned [item] such as a serial in +terms of time spans, volumes, and issues. A later version of DAIA specification +will define addition fields to express this information in structured form. +DAIA clients SHOULD therefore ignore unknown fields in a chronology object +until they can refer to a later version of DAIA. + +Item field `part` SHOULD be set to `narrower` if a chronology is given and the +chronology does not cover the full extent of the document (for instance not all +issues of a journal). + +