Markov decision processes (MDPs) are controllable discrete event systems with stochastic transitions. Performances of an MDP are evaluated by a payoff function. The controller of ...
— In this paper, we propose a cost-based model to evaluate the resources that each node has to contribute for participating in an overlay network. Such a cost model allows to gau...
This paper describes our participation at the GeoCLEF 2005 task. We detail the main software components of our Geo-IR system, its adaptation for the participation at GeoCLEF and d...
Nuno Cardoso, Bruno Martins, Marcirio Silveira Cha...
We motivate an approach to evaluating the utility of lifelike interface agents that is based on human eye movements rather than questionnaires. An eye tracker is employed to obtai...
Helmut Prendinger, Chunling Ma, Jin Yingzi, Arturo...
The fundamental difference between standard information retrieval and XML retrieval is the unit of retrieval. In traditional IR, the unit of retrieval is fixed: it is the comple...
Jaap Kamps, Maarten Marx, Maarten de Rijke, Bö...