Subject granularity - schema change

• Add two new subject properties to Instance schema:

  • Subject type

  • Subject source

Subject granularity - Subject source mapping

Update default MARC-Instance map for subject sources:

Based on the value in the second indicator, map to a specific source:

• 0 - Library of Congress Subject Headings

• 1 - Library of Congress Children’s and Young Adults' Subject Headings

• 2 - Medical Subject Headings

• 3 - National Agriculture Library subject authority file

• 4 - Source not specified

• 5 - Canadian Subject Headings

• 6 - Répertoire de vedettes-matière

• 7 - Source specified in subfield $2

Subject granularity - Subject type mapping

Update default MARC-Instance map for subject types:

Based on the field used, map to a specific tpye:

• 600 - Personal name

• 610 - Corporate name

• 611 - Meeting name

• 630 - Uniform title

• 647 - Named event

• 648 - Chronological term

• 650 - Topical term

• 651 - Geographic name

• 655 - Genre/Form

Subject granularity - Inventory browse facet

• Add facet in Inventory Subject browse called “Subject source”

  • Facet populated by the sources of subject headings on Instance records

  • Add counter for each facet option

• Add new facet in Inventory Subject browse called “Subject type”

  • Facet populated by the types of subject headings on Instance records

  • Add counter for each facet option

Subject granularity - Inventory browse columns

• Add two columns to browse results list, after “Number of titles” column (confirm order)

  • “Subject source”: Containing the source of the subject headings

  • “Subject type”: Containing the type of the subject heading

• Aggregate subject heading by titles, subject sources, and subject types

Subject granularity - Instance accordion

In Subject accordion on Instance detail view, add two new columns after “Subject headings” for “Subject source”, and “Subject type”

Subject granularity - New, Duplicate, Edit

source = folio: For New Instance, and Duplicate Instance forms

• Add two new options next to “Subjects”

  • Subject source - dropdown validation list

  • Subject type - dropdown validation list

• New options are not required

Subject subdivision browse - index

Index subject heading subfields ($v, $x, $y, $z) as Subdivisions

Subject subdivision browse - Limit to subdivision

Add new ability in Subject browse to limit to subdivisions; potentially -

• New browse options under “Subjects” for “Main heading” and “Subdivision”

Subject subdivision browse - sorting

If “Subdivision”, sort by Main heading, do not need to highlight matches