graphio | Bulk loading of large data sets into Neo4j | Data Visualization library
kandi X-RAY | graphio Summary
kandi X-RAY | graphio Summary
A Python library to bulk load data to Neo4j. Built by Kaiser & Preusse.
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Top functions reviewed by kandi - BETA
- Create a NodeSet instance from a csv file
- Yield relationships between start node and end nodes
- Remove prefix from keys
- Read relationships from a csv file
- Create a RelationshipSet from a graph
- Create a unwind statement
- Run a query
- Splits an iterable into chunks
- Write all properties in the graph to a csv file
- Return all node properties
- Return all properties in the node set
- Return the name of the object file
- Create a relationship from a relationship dictionary
- Convert a list into a tuple
- Serialize the object to a JSON file
- Convert to a dictionary
- Create a NodeSet from the given graph
- Create a new set of nodes
- Add a node to the graph
- Return the merge key id for a node
- Add a new relationship
- Serialize the object to a JSON object
- Returns RelationshipSet objects
- List of NodeSet objects
- Return a ModelNode instance
- Create a node from a dict
graphio Key Features
graphio Examples and Code Snippets
Community Discussions
Trending Discussions on graphio
QUESTION
When I try to calculate the betweenness_centrality()
of my SimpleWeightedGraph with julia's LightGraphs package it runs indefinitely. It keeps on increasing it's RAM usage until at some point it crashes without an error message. Is the something wrong with my graph? Or what would be the best way to find the cause of this problem?
My graphs are not generated by LightGraphs but by another library, FlashWeave. I'm don't know if that matters...
The problem does not occur for unweighted SimpleGraph's or for the weighted graph I created in LightGraphs...
...ANSWER
Answered 2021-Feb-19 at 19:58Did you check if your graph contains negative weights? LightGraphs.betweenness_centrality()
uses Dijkstra's shortest paths to calculate betweenness centrality, and thus expect non-negative weights.
LightGraphs.betweenness_centrality()
doesn't check for illegal/nonsensical graphs. That's why it didn't throw an error. The issue is already reported here, but for now, check your own graphs if your not sure they are legal.
QUESTION
I am new to Julia and LightGraphs and I have been trying to find the most efficient way of detecting and removing self-loops. So far, the only way I have found is to iterate over all nodes in the Simplegraph, check whether it has a self-loop, and remove them. Is there any better way like using this combination in Python NetworkX: G.remove_edges_from(G.selfloop_edges())
?
The way I am doing it right now:
...ANSWER
Answered 2021-Jan-08 at 16:01that's probably the best way to do it conditionally, but you can just call rem_edge!(G, node, node)
without the has_edge()
check - it returns a bool indicating whether the edge was removed so is safe to use if there's not an actual edge there.
QUESTION
I am trying to load a network in the format xml.gz in Julia by using GraphIO. The code is the following:
...ANSWER
Answered 2020-Oct-11 at 14:02There seems to be something wrong with decompression - I can't tell you why but I could also reproduce with other zipped graphs.
Consider unzipping the graph (with gzip on linux for example):
QUESTION
I'm having trouble reading data from file. Currently I'm adding edges inside the program, which generates a graph based on lists of edges. However, I want my program to read edges from a file to create a graph (read a .txt file line by line)
The .txt file would look something like this:
...ANSWER
Answered 2020-May-21 at 23:53EDIT: I added a List
this time and called addEdge
correctly this time. Sorry I ignored the method signature last time.
In your while loop, when you read a new line, you can add an edge right there, after the parsing the numbers from the read line:
QUESTION
I have a class as follows and the load
function returns me the tensorflow saved graph.
ANSWER
Answered 2019-Jul-24 at 16:43As long as you have created all the necessary variables in your file and given them the same "name" (and of course the shape needs to be correct as well), restore
will load all the appropriate values into the appropriate variables. Here you can find a toy example showing you how this can be done.
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