Faltings, Boi2014-03-112014-03-112014-03-11201310.1007/978-3-642-29966-7_1https://infoscience.epfl.ch/handle/20.500.14299/101649There are many scenarios where we would like agents to report their observations or expertise in a truthful way. Game-theoretic principles can be used to provide incentives to do so. I survey several approaches to eliciting truthful information, in particular scoring rules, peer prediction methods and opinion polls, and discuss possible applications.text::journal::journal article::research article