TUTOR EM AÇÃO

Particionamento como Ação de Sintonia Fina em Bancos de Dados Relacionais

Table partitioning is usually applied for distributing data. It may also be considered for performance issues, since it allows full scans involving only those partitions that satisfy the queries predicates. This work presents heuristics that select a partitioning strategy for each table and estimate their workload benefits. We also present some studies on the use of our proposed heuristics with...

Princípios Sociotécnicos e Redesenho de Sistema de Trabalho: Uma Perspectiva Pesquisa-Ação em Tecnologia da Informação (Research-in-Progress)

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Virtual Tutor

Based on the research of [Stil 1998] [Maurer 1992] [Lennon 1994] [Elliot 1995] [Colbourn 1995] [Reeves 1997] [Lugner 1997], the application of an expert system as an interactive multimedia knowledge module with explanation features named Virtual Tutor (VT) was developed. For students, the individual dialogue based session with the VT, provides the possibility to apply the knowledge acquired in ...

To Tutor or Not to Tutor: That is the Question

Intelligent tutoring systems often rely on interactive tutored problem solving to help students learn math, which requires students to work through problems step-by-step while the system provides help and feedback. This approach has been shown to be effective in improving student performance in numerous studies. However, tutored problem solving may not be the most effective approach for all stu...