Hyperloglog in PostgreSQL

Writing a Hyperloglog custom aggregate to perform fast cardinality approximations in PostgreSQL without using an extension

What the Hashtag!?

I have spent the last two months in New York City as a fellow at Insight Data Science. During the programme I built brand media monitoring tool called What the Hashtag!?

Day of DH 2011

I’m in the middle of writing a paper, and I needed a distraction. This year’s Day of DH was last...

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