In order to be able to evaluate beforehand the impact of a strategical or tactical move, decision makers need reliable previsional systems. What-if analysis satisfies this need by ...
The Modeler is designed using a learner-centered approach [5], with scaffolding to address the specific needs of learners. Scaffolding [3] is an educational term that refers to pro...
This paper explores integrating self-tuning updates and sequential consistency to enable transparent replication of large-scale information dissemination services. We focus our at...
This paper describes the design of a service that provides nutritional feedback to female college freshmen. A variety of background research methods-food journals, competitive pro...
Several recent studies have found only a weak relationship between the performance of a retrieval system and the "success" achievable by human searchers. We hypothesize ...