While argumentation tools represent a promising avenue for exploiting the Internet's vast potential for enabling collective intelligence, they have to date been applied almost exclusively to small-scale, usually centrally facilitated, groups. This paper explores some of the issues and design...

Previous research has shown that opportunities for two-sided partner choice in finitely repeated social dilemma games can promote cooperation through a combination of sorting and opportunistic signaling, with late period defections by selfish players causing an end-game decline. How such...