Refined version of the a-posteriori novelty assessment approach originally proposed by Shah et al.

What is it about?

The new refined version of the well acknoweldged novelty assessment approach of Shah et al. allows to correctly assess any set of ideas, even if constituted by ideas implementing etherogeneous numbers of attributes. Indeed, the original version of the metric leads to misleading results when the assessed ideas miss to implement some of the expected attributes or functions, or when implement one or more extra attributes.

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Why is it important?

The proposed refinement is extremely important to ensure correct novelty assessments in real cases. Indeed, real idea generation sessions (expecially if performed by unexperienced students) often lead to ideas implementing different number of attributes. There are, in fact, many reasons that can lead a person to neglect some expected attributes (if any) or to add one or more extra attributes (e.g. distractions, personal convinctions, wrong interpretation of the task, etc.).

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