Emanuel Zgraggen

Engineering at Databricks. Previously co-founder and CEO at Einblick. Former Postdoctoral Associate at MIT's CSAIL Database Group.

My research interests are at the intersection of HCI, InfoVis and AI/ML. I got my Ph.D. from at Brown University where I was advised by Andy van Dam.

Interactive Data Science

Northstar is an interactive data science plattform that combines data exploration with automated machine learning.

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Progressive Visualizations

We investigated how progressive visualizations affect users in exploratory data analysis scenarios. Through a controlled experiment, we compared progressive visualizations to blocking and instantaneous visualizations.

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Visual Regular Expressions

(s|qu)eries (pronounced “Squeries”) is a visual query interface for creating queries on sequences (series) of data based on regular expressions.

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Interactive Data Exploration

PanoramicData is a hybrid pen and touch system for visual data exploration.

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Handwritten Spreadsheets

Tableur is a spreadsheet-like pen- and touch-based system that revolves around handwriting recognition - all data is represented as digital ink.

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Multiple Comparisons Problem

The goal of visualizations is to facilitate data-driven insight discovery. But what if the insights are spurious? Features or patterns in visualizations can be perceived as relevant insights, even though they arise from noise.

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Progressive Sequence Mining

ProSecCo is an algorithm for progressive mining of frequent sequences: it processes the dataset in blocks and outputs a high-quality approximation.

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