This paper presents a real time, low resource, head tracking system. This system is used for a broad range of applications, the simplest being the control of a car in an arcade racing game. Another use of this system is the improvement of the gameplay of an adventure game. A more advanced application is the detection of the player's attentional state using a simple attention model in an attenti...

This paper explores a game where sellers of products sell the information concerning what price is charged for their products to an agent trying to find the minimum price in the market. Each seller draws a product price from a different distribution, known to the agent. Sellers know both their competitors’ distributions and the actual competitors’ price. In equilibrium the lowest product price ...

Nonverbal behaviour influences to a significant extent our perception of others, especially during the earliest stages of an interaction. This article considers the phenomenon in two zero acquaintance scenarios: the first is the attribution of personality traits to speakers we listen to for the first time, the second is the social attractiveness of unacquainted people with whom we talk on the p...

In this paper we demonstrate how a gamification approach increases the attractiveness of an assessment exercise in the context of expertise profiling. We present an online game, in two difficulty modes, where users have to guess the authors of publications. We analyze the collected data along different dimensions and identify four types of gaming personalities based on behavioral patterns. Furt...

Online games resemble miniature societies, in which social interactions occur within a virtual world. Previous studies have realized that the main motivation in playing games is to fulfill interpersonal needs. Players expect to own great interpersonal attraction to help them develop ideal interpersonal relationships. In the real world, individual outward appearance and social status are two imp...

We study experimentally a two-player game which we find ideal for investigating k-level reasoning. Each player requests an amount of money between 11 and 20 shekels. He receives the amount that he requests and if he requests exactly one shekel less than the other player, he receives an additional 20 shekels. The best response function in this game is straightforward, the k-level strategies are ...

This study considers a duopoly market in which two competitors operate their own service-inventory systems. Both determine prices to maximize profit while considering the inventory holding cost, ordering and cost incurred by lost sales. Customers are price sensitive, customer attractiveness is expressed arrival rates. We use game theory approach formulate analyze three types of pricing games: (...

Just-world theory provides a possible explanation of physical attractiveness stereotyping, in that believing in a just world should lead to a positive bias toward "winners," such as the physically attractive. Several hypotheses derived from this premise were tested by having adults complete the Just World Scale and rate the personality traits and expected life outcomes of an attractive or unatt...

Social network game (SNG) is attracting more and more players and becoming a promising market for game providers. Competing game providers are also constantly providing substitutes to attract SNG players to switch among SNGs. In prior IS literature few studies have tried to investigate the switching behaviour. In order to explore IS user’s switching behaviour in SNGs, we examine the determinant...

Most of the work in the field of competition between jurisdictions for the attraction of a large plant focuses on financial offers, bids or tax holidays. In this paper we add to the competition game an initial stage in which jurisdictions can invest in an infrastructure capital to enhance their attractiveness and modify the outcome of the competition stage. We characterize the Nash equilibrium ...