As we’ve covered on numerous occasions, New York City opens up a treasure trove of city data to the public. Lately, it seems, city officials have been eagerly courting local technologists to explore and make use of that data in their projects. Just last week, for instance, Carto hosted two events related to the topic.

Well, in case you missed those, here’s another chance to get involved with open data.

The Brooklyn Public Library is hosting a quick introductory class to the city’s open data portal on Thursday, Oct. 26. The class, which is cosponsored by the Mayor’s Office of Data Analytics, will be held in the Info Commons Lab of the Central Library from 5–5:45 p.m. It is free to attend; no registration is necessary. A limited number of laptops will be provided, but it’s suggested that attendees bring their own.

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This reporter has sat in on a lengthier version of this course, and as she can attest, it’s a fun exercise to go through and see exactly what sorts of information the city’s open data portal captures.