The great amount of information that a user handles in their typical transactions on the Internet –identifiers, addresses, credit card numbers, among others-, makes it necessary...
Abstract. We have explored the role of user modelling in live help systems for e-commerce web sites. There are several potential benefits with user modelling in this context: 1) H...
The information resources on the Web are vast, but much of the Web is based on a browsing paradigm that requires someone to actively seek information. Instead, one would like to h...
We present a machine-learned model that can automatically detect when a student using an intelligent tutoring system is off-task, i.e., engaged in behavior which does not involve ...
State estimation consists of updating an agent’s belief given executed actions and observed evidence to date. In single agent environments, the state estimation can be formalize...