2 papers
cs.GT2016
Optimizing positional scoring rules for rank aggregation
Ioannis Caragiannis, Xenophon Chatzigeorgiou, George A. Krimpas +1
Nowadays, several crowdsourcing projects exploit social choice methods for computing an aggregate ranking of alternatives given individual rankings provided by workers. Motivated b…
cs.GT2015
Efficiency and complexity of price competition among single-product vendors
Ioannis Caragiannis, Xenophon Chatzigeorgiou, Panagiotis Kanellopoulos +3
Motivated by recent progress on pricing in the AI literature, we study marketplaces that contain multiple vendors offering identical or similar products and unit-demand buyers with…