13913 search results - page 422 / 2783 » models 2007 |
223
click to vote
DBSEC
2006
15 years 9 months ago
2006
We demonstrate how access control models and policies can be represented by using term rewriting systems, and how rewriting may be used for evaluating access requests and for provi...
196
click to vote
AAI
2002
15 years 7 months ago
2002
We present a probabilistic model to monitor a user's emotions and engagement during the interaction with educational games. We illustrate how our probabilistic model assesses...
176
click to vote
AIED
2007
Springer
16 years 1 months ago
2007
Springer
Increasingly, learning environments are opening the learner model to the user it represents. This paper describes a study in which students were able to create their own presentati...
212
click to vote
DAGSTUHL
2004
15 years 9 months ago
2004
ns to define the abstract modelling language that determines the structure of the models that are to be used a two-step meta-modelling approach turned out as most adequate. In the ...
203
click to vote
DMIN
2007
15 years 9 months ago
2007
We study the extraction of characteristics of user behavior in video session encoded as stochastic matrices of finite Markov chain. These behaviors are clustered using a dissimil...