python (12.9k questions)

javascript (9.2k questions)

reactjs (4.7k questions)

java (4.2k questions)

java (4.2k questions)

c# (3.5k questions)

c# (3.5k questions)

html (3.3k questions)

Questions - tinkerpop

Gremlin : Checking existence in traversal step or set

Background: I am trying to run a search through a graph and change the search behavior based on if the discovered node belongs to a pre-defined set available before the query is executed. I can't find...
test-img

CB60

gremlin

tinkerpop

Votes: 0

Answers: 1

Latest Answer

One way to approach this is to use the coalesce step. Here is a simple example from the Gremlin Console. gremlin> g.V(1,2,3).fold().as('found').V(3).coalesce(where(within('found')).constant('found'...
test-img

Kelvin Lawrence

Find largest connected components AWS Neptune

In an AWS Neptune graph with billions of nodes and edges, how would one go about finding the largest connected components efficiently? The reason I am trying to find the answer to this question is bec...
test-img

natsbat4ws

graph-theory

gremlin

tinkerpop

amazon-neptune

Votes: 0

Answers: 1

Latest Answer

Connected component finding queries can be expressed in Gremlin, but whether or not those queries will be efficient, is going to depend on the complexity of the graph. I would start by looking at the ...
test-img

Kelvin Lawrence

Gremlin-server: does vertexIdManager=ANY generates id collisions?

I need to configure tinkergraph-empty.properties file in gremlin-server so the ids are generated with the "ANY" logic gremlin.tinkergraph.vertexIdManager=ANY gremlin.tinkergraph.edgeIdManage...
test-img

fermmm

gremlin

tinkerpop

amazon-neptune

tinkerpop3

gremlin-server

Votes: 0

Answers: 1

Latest Answer

The reason you may not see sequential IDs is that properties also have IDs and in the case of TinkerGraph, are taken from the same pool. You can see this using the Gremlin Console locally also. gremli...
test-img

Kelvin Lawrence

How to get properties from multiple vertexes in gremlin

How to get properties from multiple vertexes in a gremlin. From the above graph, I need to collect 'name' from user and email_id from email vertex and phone number from phone_number vertex. Is it poss...
test-img

Thirumal

gremlin

tinkerpop

tinkerpop3

gremlin-server

Votes: 0

Answers: 1

Latest Answer

This sort of issues is commonly handled by project(): g.V().hasLabel('user'). project('name','email','phone'). by('name'). by(out('owns').hasLabel('email').values("email")). by...
test-img

stephen mallette

Posts

Questions

Blogs

Jobs