The internet is a ubiquitous technology that has changed conventional human interactions.
In our present time, it is not unusual for financial transactions to take place virtually with …

Influence diffusion and influence maximization in large-scale online social networks (OSNs)
have been extensively studied because of their impacts on enabling effective online viral …

This paper presents an in-depth analysis and the key insights gained from the Second
International Automated Negotiating Agents Competition (ANAC 2011). ANAC is an …

One of the most important yet insufficiently studied issues in online advertising is the
externality effect among ads: the value of an ad impression on a page is affected not just by …

In this paper, we study the price of anarchy of traffic routing, under the assumption that users
are partially altruistic or spiteful. We model such behavior by positing that the" cost" …

We study the equilibria of non-atomic congestion games in which there are two types of
players: rational players, who seek to minimize their own delay, and malicious players, who …

We study the inefficiency of equilibria for congestion games when players are (partially)
altruistic. We model altruistic behavior by assuming that player i's perceived cost is a convex …

People exhibit peer-regarding fairness concern when others who are in similar
circumstances are treated unfairly. The fairness concern derives from a sense of sympathy …

We study vindictive bidding, a strategic bidding behavior in keyword auctions where a
bidder forces his competitor to pay more without affecting his own payment. We show that …

For many years the Simultaneous Multi-Round Auction (SMRA) has been the primary
auction design for spectrum sales worldwide. Recently, the core-selecting Combinatorial …