2 posts
Microsoft’s visual data explorer SandDance open sourced

Microsoft just open sourced their data exploration tool known as SandDance: For those unfamiliar with SandDance, it was introduced nearly four years ago as a system for exploring and presenting data using “unit visualizations.” Instead of aggregating data and showing the resulting sums as bar charts, SandDance shows every single row of a dataset (for datasets up to ~500K rows). It represents each of these rows as a mark that...

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All the building footprints in the United States

Microsoft released a comprehensive dataset for computer-generated building footprints in the United States. The method: We developed a method that approximates the prediction pixels into polygons making decisions based on the whole prediction feature space. This is very different from standard approaches, e.g. Douglas-Pecker algorithm, which are greedy in nature. The method tries to impose some of a priory building properties, which are, at the moment, manually defined and automatically...

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