I tried the Data Science Playground with my database and the unexpected relationship "similar_jaccard" are created in my original database.
Can someone tell me if I did anything wrong when using Data Science Playground so that the realtionships are generated after running the algorithms?
It looks like you ran the Data Science Playground with the Jaccard Similarity algorithm in
write mode, and it wrote the result (which nodes were similar) back to your database.
You didn't do anything wrong. If you don't want to write new data to your database, I'd recommend running in