no code implementations • 15 Feb 2021 • Ioannis Caragiannis, Panagiotis Kanellopoulos, Maria Kyropoulou
iEF is a natural generalization of envy-freeness to random allocations in the sense that a deterministic envy-free allocation is iEF (when viewed as a degenerate lottery).
Fairness Computer Science and Game Theory
no code implementations • 7 Jul 2018 • Chairi Kiourt, Dimitris Kalles, Panagiotis Kanellopoulos
Agent based simulation of social organizations, via the investigation of agents' training and learning tactics and strategies, has been inspired by the ability of humans to learn from social environments which are rich in agents, interactions and partial or hidden information.
no code implementations • 13 Feb 2015 • Ioannis Caragiannis, Xenophon Chatzigeorgiou, Panagiotis Kanellopoulos, George A. Krimpas, Nikos Protopapas, Alexandros A. Voudouris
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 different valuations on these vendors.