Neo4j

g_emelyanov · 08-21-2020

Hi, Let me start with the problem introduction. There is a node that represents a person and multiple associated with that that person nodes that represent events (for example, birth). The exact date and time of the event might not be known exactly, ...

g_emelyanov · 08-28-2020

Hello @Bennu, Indeed, the optimizer will not go to WHERE condition first to fetch related nodes using index (with Date label) and instead would decide to iterate over each node from the stream to filter out not satisfying the condition. That seems to...

g_emelyanov · 08-26-2020

Hello @Cobra! Sure Indexes | "INDEX ON :Date(date)" | "Unnamed index" | ["Date"] | ["date"] ...

g_emelyanov · 08-26-2020

Hello @Bennu! There are several reasons why name is represented as node. A name might have a bunch of associated properties, there can be multiple associated names, etc. I'm using a python script to generate a sample data. Here is the link to the gis...

g_emelyanov · 08-25-2020

Thanks for reply! @Cobra @Bennu Your ideas helped me a lot! I combined the unknown date completion and a label to indicate unknown part of the date, that seems to work just fine. Now only a single date is stored and labels indicate whether a day or m...

g_emelyanov · 08-22-2020

Thanks for reply! The problem with indexing both properties that define interval boundaries is that neo4j can not aggregate result of multiple range index lookups. The optimizer will do the lookup on the first property range operation, but the second...

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Interval search on partially known dates

Re: Interval search on partially known dates

Re: Interval search on partially known dates

Re: Interval search on partially known dates

Re: Interval search on partially known dates

Re: Interval search on partially known dates