Structured Object Management Use Cases

SMK Use Cases - Hierarchical Relationships Between Objects

To us the hierarchical relationships between objects have priority over the simple one to one relationships between objects and it is important that there is a clear distinction between the two types of relationships – easily readable in the UI.

At SMK we have two/three main types of hierarchical relationships between objects:

1. Works of art in multiple pieces (i.e. installation art, artist's books etc.)

The use case is similar to the sample use case "chess set and pieces" diagram on the Structured Objects Management Requirements page.

When cataloguing a work of art in multiple pieces one first creates a cataloguing record for the collected work of art. This work of art gets an inventory number (object identification number) assigned to it. And from this work of art each part is created and recorded in separate cataloguing records. Each part is assigned a serial number added to the inventory number of the collected work. If required data are inherited from the collected work of art to its parts, or from one part to the next, and off course editing is possible in each record.

Regarding location and movement information, the collected work of art has no location assigned to it but each of its parts does. When moving, all parts can be moved collected (batch processing) or each part individually.

Note: A part may have a verso (back) and in that case the verso is subordinated the recto (front) part:

Work of art (inv. no.: xxxx)

Part 1 (inv. no.: xxxx-1)

Part 2 (inv. no.: xxxx-2)

Part 2 verso (inv. no.: xxxx-2 verso)

Part 3 (inv. no.: xxxx-3)

etc.

Hierarchy: Work of art in multiple parts (primary); part of (secondary); part of – verso (third)

2. Recto – Verso

For mainly works of art on paper (drawings, prints etc.) and more rarely in paintings there may be an independent work of art on the backside of another work of art. In these cases the front is called recto and the back is designated verso. The relationship between the two sides is hierarchical.

The work of art on the recto is recorded first and assigned an inventory number (xxxx) and only when the recto is recorded the verso can be recorded/created from this in a separate cataloguing record. The inventory number of the verso is the same as the recto but with "verso" added to it (xxxx verso). If required data from the recto can be inherited to the verso.

Regarding location and movement information, the recto and verso are always located and moved together.

Hierarchy: Recto (primary); verso (secondary)

3. Plaster Cast – Original

Hierarchical relationship similar to the Recto – Verso (see above), the original (work of art) is subordinated the plaster cast. Typically the cast is part of our collection while the original belongs to, or is administered by an external organization.

Regarding location and movement information, only the plaster cast will be assigned a location (the location of the original will always be an external location).

Hierarchy: Plaster cast (primary); original (secondary)

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