Tournament solutions are frequently used to select winners from a set of alternatives based on pairwise comparisons between alternatives. Prior work has shown that several common tournament tend large winner sets and therefore have low discriminative power. In this paper, we propose general framework for refining solutions. order distinguish winning alternatives, also non-winning ones, introduc...

uniform, utilizes any tactic, and swears its allegiance not to a government, but an ideology. However, governmental entity since the city-state of Athens fought Melos over two thousand years ago. This enigma is asymmetrical warfare. The only way to truly study asymmetrical warfare is to take into account its long history. Thus, measure the relationship between the duration of asymmetrical war a...