Questions tagged [tinkerpop]
Apache TinkerPop™ is a graph computing framework for both graph databases (OLTP) and graph analytic systems (OLAP).
tinkerpop
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Gremlin: get a list of child nodes of a certain label n-levels deep
i'm struggling to figure out the correct command here.
Starting from a given node I would like to get all child nodes of a certain label n-levels deep
e.g.
imagine we start at a node with label 'A'.
A ...
- 123
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How to create, register and enable an index in Janusgraph?
I want to create an index to find a vertex by label and a property value.
I saw from documentation that i have to Install->Register->Enable the index, but somehow i can't get it to be Register ...
- 8,627
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Problem installing hadoop-gremlin with janusgraph
We are running into some issues while launching gremlin.sh with hadoop (ref: https://tinkerpop.apache.org/docs/current/reference/#hadoop-gremlin) using janusgraph.
Any tips/help appreciated! Thanks!
...
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156
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How to get a JanusgraphGraph Instance from a remote janusgraph connection
I want to use the management API in my java based application to dynamically create Schemas and to use indices. But I cant find a solution to get the JanusGraph - Graph instance from my remote ...
- 182
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Why Does V().count() Show 0 with gremlin.sh But Not Zero With Code?
Problem
Why does bin/gremlin.sh's V().count() not show a non-zero count?
I'm new to Gremlin [Query-Language] and Graph-DBs (Graph Databases) in-general.
What is the difference between running in ...
- 735
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37
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JanusGraph Java Serializer for propertyMap()
Im setting up a simple Java application that runs some queries on top of a given Graph Database (either Neo4j or JanusGraph).
I would like to have interface methods with return type and general form ...
2
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345
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Gremlin console how to remote connect behind a proxy
I am using gremlin console to interact with an Azure Cosmos database as explained in this Microsoft quickstart tutorial. However I am behind a corporate proxy and the command :remote connect ...
- 21
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69
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Neptune Multi-AZ Cluster deployment throws Decompression Exception
I am trying to get paths() from AWS neptune, using the below query on below graph
g.addV('ORG').as('1').
property(single, 'orgId', 'f5c').addV('COMP').
as('2').
property(single, 'compId', ...
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93
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gremlin: sack modification in filter has no effect
Im filtering some vertices via their properties and map them with a project() step. In the result I want all vertices which have at least one property that matches my filter, and the amount of ...
- 182
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168
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Neptune gremlin java traversing with hops
We have a model in neptune db for tag and entity relationship as follows:
Vertices - tags.
id
---
123454
123478
345678
435677
890890
727455
345588
....
....
id | from | to | hash | score
-----...
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How to submit a Gremlin query with parameter substitution using TinkerPop API
I would like to execute the same gremlin statement millions of times, just changing one parameter. The tinkerpop documentation indicates you should be able to use syntax like:
Map<String,Object> ...
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155
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Schema validation mechanisms for LPG inside AWS Neptune
Hi can i know the schema validation mechanisms available for LPG inside AWS Neptune.
For RDF we have a couple of them but i am not finding help on LPG.
Thanks in Advance.
I have tried mechanism for ...
- 1
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205
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Encountered an error when making Gremlin.Net communicate with JanusGraph in the JanusGraph official website.net introductory tutorial
I tried to operate JanusGraph with .net using JanusGraph official tutorial, but got an error, the following is my code and .net\JanusGraph Error displayed by the server
I use vscode, the command to ...
- 71
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Turn gremlin query result with elementMap into JSON [gremlinpython 3.6.1]
Continuing discussion from here.
I've a query that provides list of paths along-with elementMap().
How do I convert this data to JSON to be consumed by rest of the code.
I did look here that talks ...
- 11.3k
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66
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direct edge traversal omitting paths
I am running into curious problem.
In graph above,I can't run repeat/until due to memory overload issue and vertices names changing at various level. I am trying direct edge traversal through each ...
- 11.3k