Hocus pocus (magic) derived from the Protoslavic word "kusiti", which is itself derived from Gothic "kausajn" meaning "to try", "to attempt". This may indicate that the wording belongs to the alchemy kitchen and court of Rudolf II, Holy Roman Emperor (1552 – 1612). Also, "hocus" may mean "to cheat" in Latin or a distorted form of the word "hoc", "this". Combination of the two words may give a sense, especially both meanings together "this attempt/experiment" and "cheated attempt/experiment". According to the Oxford English Dictionary the term originates from "hax pax max Deus adimax", a pseudo-Latin phrase used as a magical formula by conjurors.
Referring expression generation a distinguishing description if the following two conditions hold: In other words, to generate a referring expression one is looking for a set of properties that apply to the referent but not to the distractors. The problem could be easily solved by conjoining all the properties of the referent which often leads to long descriptions violating the second Gricean Maxim of Quantity. Another approach would be to find the shortest distinguishing description like the Full Brevity algorithm does. Yet in practice it is most common to instead include the condition that referring expressions produced by an algorithm should be as