sajjadur.net - Sajjadur Rahman

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I am a Senior Research Scientist at Megagon Labs . I received my PhD from CS@Illinois where I worked with Aditya Parameswaran . Before that, I was a lecturer at Department of CSE, BUET .

My key research areas include data management for data science and human-centered design. I build human-centered data systems to address usability and scalability challenges in data science workflows. I approach these challenges from a human-centric view where I study existing work practices to inform design guidelines for instrumentation in data management systems and interactive tools for data science. My research has been published in premier conferences in Databases (SIGMOD and VLDB), HCI (CHI and CSCW)

We observed that data science workers follow an iterative task model consisting of information foraging and sensemaking loops across all the phases of an information extraction workflow. We found several limitations in both loops stemming from a lack of adherence to existing cognitive engineering principles.