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Questions tagged [amazon-neptune]

For questions related to Amazon Neptune, a graph database service which supports both Property Graph and RDF graph models, as well as their respective query languages Apache TinkerPop Gremlin, openCypher and SPARQL.

Overview, Features, Pricing, Getting Started, Resources, FAQs

930 questions
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Connect to Neptune on AWS from local machine

I am trying to connect to Neptune DB in AWS Instance from my local machine in office, like connecting to RDS from office. Is it possible to connect Neptune db from local machine? Is Neptune db publicly available? Is there any way a developer can…
Sreeraju V
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Is it possible to visualize the output of a graph query (Gremlin or SPARQL) as nodes and edges in Amazon Neptune?

GREMLIN and SPARQL only define the APIs for graph queries. How do I use the API responses and and plot that as an actual graph, with edges and vertices? Is there something like MySQL Workbench for graphs?
The-Big-K
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2 answers

Can RDF model a labeled property graph with edge properties?

I wanted to model partner relationship like the following, which I expressed in the format of labeled property graph. I wanted to use RDF language to express the above graph, particularly I wanted to understand if I can express the label of the…
chen
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4 answers

how can we run Neptune graph database on docker

how can we run Neptune graph database on docker Since Neptune DB has been productized recently it is not available on Localstack can someone guide me how to deploy AWS Neptune DB Service into docker container
sidhant das
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InvalidParameterCombination: "Duplicate tag key found in request" for Amazon Neptune Service CloudFormation

When I deploy my CloudFormation Stack, I receive the following error: Duplicate tag key found in request: Name (Service: AmazonNeptune; Status Code: 400; Error Code: InvalidParameterCombination; Request ID: ffffc8f8-ac83-4eb0-8794-47c6f5ff5ed1;…
Luzan Baral
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7
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Find people who bought the same games as someone else

I'm using Amazon Neptune to create and query a simple graph database. I'm currently running my code in an AWS Jupyter Notebook but will eventually move the code to Python (gremlin_python). As you can probably guess I'm pretty new to Gremlin and…
G_E
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Gremlin Javascript Traversal Never Resolves

I'm trying to use the gremlin npm module and connect to a Neptune database. During testing, I tried having gremlin connect to an inactive endpoint and invalid url to make the system more resilient. I expected some sort of error to be thrown.…
deterministic_ram
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Python - Connecting to AWS Neptune

I have created a neptune instance in aws. How can I connect to it now? I tried the the example given in the documentation locally from my laptop. from gremlin_python.structure.graph import Graph from gremlin_python.driver.driver_remote_connection…
cegprakash
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2 answers

Gremlin Coalesce To Add Multiple Vertices and Edges

Right now I am able to generate a query to create as many vertices and edges as I want. e.g. g.V(). addV('vert1').as('a'). addV('vert2').as('b'). addE('has').from('a').to('b') ^^^^^^^^^^^^^ This works. Easy enough right? Now lets create a gremlin…
Austin Malpede
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2 answers

Full text search with SPARQL queries in Amazon Neptune

Most SPARQL endpoints have some extensions allowing for full-text search. Can I do full-text searches with the Amazon Neptune SPARQL endpoint?
Reto Gmür
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7
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Gremlin: Date filters

Filter Graph DB based on date field: I searched http://tinkerpop.apache.org/docs/current/reference/ but did not find a documentation for the same. Did some research and it seems lt, gt, etc are working. BUT is my below approach the proper way? or is…
Srinath Ganesh
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6
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1 answer

Using AWS Appsync with AWS Neptune

I'm currently using Aws Appsync, Aws Lambda, and Aws Neptune for an application. My Lambda function uses NodeJS 12. Right now my problem is getting back the appropriate JSON format from Neptune (more specifically gremlin) for my graphql api…
MCam
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Amazon Neptune Full Text Search - specify fields

So SPARQL documentation contains examples how to specify multiple fields to search for: PREFIX foaf: PREFIX neptune-fts: SELECT * WHERE { SERVICE…
Vojto
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How to do pagination in NeptuneDB to achieve high performance

Hi I am now building a website using aws NeptuneDB(Gremlin), NodeJs as Backend and Angular as Frontend. Now I am facing a problem, I want to do pagination on my website because without pagination I may load and display 5000 items one query. I know…
Hongli Bu
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2 answers

Where can I find out what version of Tinkerpop Gremlin, AWS Neptune is using

I am trying to use .valueMap().with(WithOptions.tokens) in my query against AWS Neptune. I get MalformedQueryException. I suspect that this is a new feature in Gremlin 3.4.* I have not been able to find a page that outlines what version of the…
James Render
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