Monthly Archives: March 2018

Neo4j Geospatial Queries

When I was growing up, the Neo Geo was the high end gaming system around. It was however prohibitively expensive for most people… and definitely out of my price range. I grew up in a mobile home park in Union City, CA. Near the old drive in theater now long gone. It was also next to an industrial park in Hayward where a food truck would make the best burritos $3 could buy. A search for the best burritos in Union City would have missed this food truck gem. Geographic boundaries can be a problem when searching for things by specific places. To get around this problem, we tend to use latitude and longitude and then perform a radius or bounding box search. Today I want to present to you a hybrid approach using Neo4j.

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Keeping Properties Secret in Neo4j

We’re an open source company with nothing to hide, but some of our customers have things they need to keep close to their chest. Sometimes you don’t want everybody to have access to salary information, or future predictions. Maybe you want to hide Personally identifiable information (PII) or Health Insurance Portability and Accountability Act (HIPPA) data. In Neo4j 3.4 we are introducing more security controls. We are starting with Role based Database wide property key blacklists. That’s a bit of a mouthful but let’s walk through and example to see one of the ways it can be utilized. Imagine you are working in “Area 51” and have to deal with very important information.
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