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Guenter Hilmer - Phd Thesis - Glamorgan Dspace - University of ...

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7.2 Existing material 7 PRACTICAL EVALUATION<br />

Figure 21: Lecture-TLS <strong>of</strong> existing material<br />

and EHPs. The application <strong>of</strong> the developed TLSs and the corresponding EHPs<br />

allowed the conversion <strong>of</strong> most parts <strong>of</strong> the selected educational material.<br />

However, it was not possible to convert all the material, for example the ’Monthly<br />

Cash Flow Forecast’ in [185] could not be converted. Additionally, there are a<br />

lot <strong>of</strong> mind maps used in [184] which could not be converted directly, but had to<br />

be converted into linked Lecture-TLSs. If the complete course book needed to<br />

be converted, it would be necessary to create a special Mind-Map-TLS and the<br />

corresponding EHPs for this TLS.<br />

Altogether, it can be stated that the HEAT approach is working at the TLS-layer,<br />

although additional TLSs will be needed in the future.<br />

7.2.3 Linking <strong>of</strong> TLSs<br />

The linking <strong>of</strong> the TLSs worked without any problems. Figure 22 on the fol-<br />

lowing page shows an early stage <strong>of</strong> the conversion <strong>of</strong> the educational material.<br />

Several TLSs had already been created and linked at that stage. The linking <strong>of</strong><br />

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