15.6.5 Sorting and classification
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Several of the techniques include the production of hierarchies and sorting of entries by various attributes.
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Some of this is carried out by the analyst, but some requires subjective assessments by domain experts.
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Several techniques can be used to obtain the relevant information.
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This has been discussed briefly before in Section 15.4.
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One way is to take the list of, say, task objects, and write each one on a slip of paper or card.
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The expert is then asked to sort them into piles of similar objects.
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Depending on the size of the piles the expert can be asked to subdivide the piles further, or to
group the piles into larger ones.
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