Mass Collaboration-Driven Method for Recommending Product Ideas Based on Dempster-Shafer Theory of Evidence

Table 1

Evaluation criteria of ideas.

Evaluation criteria	Meaning of the criteria
Novelty(c1)	Degree to which an idea is not only rare, but is also ingenious, imaginative, or surprising.
Acceptability(c2)	Acceptability of the market or user, or the popularity of new products in the market.
Usefulness(c3)	Value of an idea that can be brought to users and enterprises after implementation.
Feasibility(c4)	Possibility of product development, the feasibility of existing technology, and the possibility of mass production.