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SLAMorris Final Thesis After Corrections.pdf - Cranfield University

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A process is defined as having understandable consequences when at<br />

each stage of the process the results and their relationship to the original<br />

data can be explained.<br />

The process can be considered to follow the scientific method when a<br />

hypothesis is formed based on the problem to be solved and tested<br />

through a process of data observation and experimentation.<br />

Clear documentation is defined as something which another analyst<br />

could read, understand and use to repeat the described processes.<br />

A result can be corroborated when the documentation is clear enough to<br />

allow the process to be repeated and therefore the results can be<br />

verified.<br />

4.3.2 Interpretation of Results<br />

It is important to establish if the artefacts being analysed were created while the<br />

machine was working properly. If an artefact was created during the proper<br />

operation of the system it is simpler to establish the behaviour it represents. If<br />

the artefact was created outside of the system’<br />

s proper operation then the anomalous behaviour the artefact represents may<br />

not be what the analyst expects. A single artefact on its own provides limited<br />

information about its meaning; by forming relationships between multiple<br />

artefacts it is possible to maximise corroboration of the information available to<br />

the analyst. In order to improve the likelihood of all relevant artefacts being<br />

recovered it is necessary to ensure that the maximum amount of data is<br />

retrieved therefore increasing the likelihood of retrieving artefacts with probative<br />

value. Due to the large amounts of data an analyst may encounter it may be<br />

necessary to use a documented automated methodology.<br />

In more detail:<br />

Page 59

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