output from CASSM stylesheet v1.1 created Dec 2003

CASSM model of: New Zealand Digital Music Library

Notes

Relationships
Name Actor Type Acted_on Notes
rel0 Collection consists_of Sub-collection Collections consist of sub-collections ....
rel1 Collection.Type of sub-collections affects Sub-collection.Name .... of named types
rel2 Sub-collection.Type of tunes affects Sub-collection.Name .... which contain named tunes
rel3 Melody file consists_of Tune .... held as melody files
rel4 Melody file.Type of components affects Melody file.Playback format .... which are of different formats
rel5 Tune maps_onto Tune.Melody .... and can be played back as tunes
rel6 Lyrics consists_of Lyrics.Words .... and which may include lyrics
Entities and Attributes
Relns: actor in upright, acted-on in italics.
Name Create/set Delete/change Relns.
User Interface System
Notes
Collection fixed fixed rel0
present present present
(A database which) supports searches via the internet. Contains sub-collections.
Number of sub-collections fixed fixed
present present present
The number and composition of sub-collections is under NZDL control.
Type of sub-collections fixed fixed rel1
difficult present present
The types and classification of sub-collections is also under NZDL control.
Link fixed fixed
present present present
Can connect to both ‘internal’ (within site) and ‘external’ (outside site) objects, including internet searchers.
Destination status fixed fixed
present absent present
To corect destion, incorrect destination (working but not as stated)
Destination type fixed fixed
present absent present
Internal or External (to NZDL). A fifth sub-collection is held at Rutgers University.
Working status fixed fixed
present absent present
Broken, not broken. (And in common with link maintenance problems elsewhere).
Lyrics hard easy rel6
present difficult present
A remembered part or whole of a song, held in the user’s working memory (prior to being matched against a sub-collection).
Case cant cant
present difficult difficult
NZDL Music Library text queries currently default to case-sensitive title inputs rather than lyrics or lyric fragments.
Words hard easy rel6
present difficult present
The 'contents' of the lyrics
Melody file fixed cant rel3
difficult difficult present
A data file whose contents include at least a digital representation of a tune (melody) in a form which can be played back on a computer. File types affect playback ability, and cannot be changed by the user. (But alternative playback applications may be available.)
How indexed fixed fixed
present difficult present
By title, alphanumerically
Name fixed fixed
present present present
Uusally derived from melody titles
Number of components fixed fixed
present present present
3 to 5
Playback format fixed fixed rel4
difficult difficult present
Melody files can only be played back using software suitable for the host device computer. Formats are MIDI type 0, MIDI type 1, AIFF, AU, VOC, WAV, Real Audio.
Size fixed fixed
difficult absent present
Not available at the interface, but does not appear to affect playback
Type of components fixed fixed rel4
present present present
Score, Melody, Text data: title, composer, lyricist, lyrics.
Sub-collection fixed fixed rel0
difficult present present
Consists of tunes (melody files). Variously defined organised. May contain sub-groups.
Name fixed fixed rel1 rel2
present present present
Folksong, Fake Book, MidiMini, MidiTheme, MidiMax (2001-2002)
Number of sub-groups fixed fixed
difficult present present
4 (Folksong) and 3 (Midi Mini) (2001-2002)
Number of tunes fixed fixed
present difficult present
1,200 to 100,000.
Type of tunes fixed fixed rel2
present present present
As depicted below
Title hard easy
present present present
Title of song is not necessarily the same as title of melody file.
Tune hard easy rel5 rel3
present difficult difficult
A version of a melody, available in the user’s working memory (prior to being matched against sub-collection contents).
Harmony notSure notSure
difficult difficult difficult
Melody hard easy rel5
difficult difficult difficult
These potential descriptors for a ‘tune’ are derived from a series of interviews with musicians. All agreed that a score was more than either a tune or a melody
Notes notSure notSure
difficult difficult difficult
Pitch notSure notSure
difficult difficult difficult
Rhythm notSure notSure
difficult difficult difficult
Spaces notSure notSure
difficult difficult difficult
Tempo notSure notSure
difficult difficult difficult
Tonality notSure notSure
difficult difficult difficult