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This paper presents a research about the mapping of mediation evidences to support the pedagogical intervention in AVEA. Text mining techniques were used and Bayesian inference mechanisms were employed to categorize the interactions. A case study was applied to validate the research. Data were collected from the textual interactions. The system generated graphs and reports about the levels of mediation. As a result, we highlight the production of qualitative information about the interactions,doi:10.5753/cbie.sbie.2013.567 fatcat:ftwmbrrb6jgk7hptr7eahhkunm