When searching for and buying new products, consumers’ knowledge is often limited, some (but not all) options in the choice set are unrecognized. In such situations, research on recognition heuristic shows that people tend to choose more recognized option over unrecognized one, as they infer it has higher value regarding criterion being judged. Since humans particularly good at rapidly recognis...

Abduction is a backward chaining inference, finding the best explanations of an observation with regard to a knowledge base in a two-steps process: i) hypotheses generation, and ii) explanations selection according to a minimality criterion. A propositional abduction problem P is a tuple 〈V,O, T 〉 [3], where V is a set of variables, T denotes the background knowledge of an application domain, O...