To solve tasks concerning distances along a route, between locations which cannot be perceived from a single vantage point, people and other cognitive agents must generate inferred route distances. Inferred route distances, and inferred distances in general, are a special kind of subjective distances: Inferred distances cannot be retrieved from memory, but have to be inferred from several piece...

In recent two decades, countries focused on minimum extraction of fossil fuels and utilized the renewable energies based on countries' policies and the environmental considerations. Thus, choosing the best renewable energy alternative is a significant role to investment on them. Among the classical decision approaches that have used in the literature, the hesitant fuzzy sets (HFSs) theory is ap...