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Significant Properties: Worked example. Gareth Knight Centre for e-Research King’s College London DCC101 7 October 2008. Preservation target: email. Methodology. Identify the Components of a digital object that an evaluator wishes to maintain.

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Significant properties worked example

Significant Properties:Worked example

Gareth Knight

Centre for e-Research

King’s College London

DCC101

7 October 2008



Methodology
Methodology

  • Identify the Components of a digital object that an evaluator wishes to maintain.

  • Analyse the properties of each Component that are required or beneficial for its recreation.

  • Classify the function performed by each property and assess its value.

  • Obtain measurements for each property


Two high level components
Two high-level components

Message Body

Header





Sender recipient
Sender & recipient

Email address:

  • Local-part

  • Domain-part

  • Domain-literal

  • Display-name

    Sent and received:

  • Send-date

  • Receipt-date


Structural information
Structural information

Structure

  • Reference information

  • Message ID

    Other information

  • Server messages?


Provenance
Provenance

  • Server name

  • IP address

  • Date


Task audio
Task: Audio

For the examples on the worksheet:

  • Categorise each property in one of the 5 categories (content, context, rendering, behaviour, structure) according to its function

  • Assign a score from 0 – 10 & justify it in the rationale

  • Open the sample file in Microsoft Sound Recorder (Accessories/Entertainment in the Start Menu) and record the values stored for each property

  • Are there any other aspects of the audio file that you need to record?


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