We recently got a Demo paper accepted at EDBT 2019 describing our HOTMapper tool that enables defining and storing mappings of Open Data sources into an integrated data source in MonetDb. The tool is currently used to store and manage mappings of educational Open Data made available yearly by INEP. The resulting mapped data source…
Read MoreOur group has been working on different initiatives to produce useful open data to end users. One of them is the collection and monitoring for assessment and evaluation, Another one focuses on the integration and search of OER (Open Educational Data). In this post, I will focus on a third initiative, where we extract existing…
Read MoreWe started to use MonetDB, a column store database in a couple of projects involving querying over our DataWarehouses, created from public open data. The goal of one of the projects, called Educational Data Lab, is to return information about educational indicators in Brazil, with its historical evolution. We have nowadays about 100Gb of data…
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