| 摘要 |
An on-line database searching system uses a product selection process performing an evolutionary search strategy, with the user acting as the selective pressure, using "mutations" based on the most recent selection or selections. The selections are mutated by varying characteristics of the items selected to define a new set of characteristics, and further items having the newly selected character set are then selected for consideration by the user. By selecting in a multidimensional range of characteristics, such a process can create a serendipitous exploration of the 'search space', more akin to the browsing process used in a real shop than the typical branched search approach of existing catalogue-based systems.
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