Introducing Neo4j Workspace We’re inviting you to check out Neo4j Workspace. Workspace combines our most powerful graph tools (Data Importer, Bloom, and Browser) all in one place to help you get up and running with graph databases faster. For experie...
The Neo4j Graph Platform includes the core database and all the technologies surrounding the database, making it useful and accessible for a lot of different users. When asking a question, please select a descriptive label that best matches your quer...
Hi, I noticed on a very simple query that apoc is faster. I really find that hard to believe and wanted to ask. This is the cypher query MATCH (one :Main {uuid : "d67910e9-e594-4217-89f9-c7673125d1d0" }) MATCH (two :Main {uuid: "a952eac7-5ef2-4a2c-a8...
Hi, I have a cypher query to check in the DB for the search results, using where condition to check the parameters entered. I have a lot of properties for which query should check in the DB. I have added a few in the query below. I am using javascrip...
Greetings, I have a tree structure maintained in a Mysql table in the following format. Id | left_id | right_id As evident from the simple form, this is a binary tree structure maintained in a relational table. At the time of querying, a CTE self-re...
Hey, guys! I have a question regarding the optimization of the following query. MATCH (u:User { userId:"dOnBdddDpwcma3xlCje1"})-[:SPONSORED*..3]->(child:User) WHERE child.achievedRank < 1000 AND child.isMvp = True AND child.userId IN ["d2JuOnwww...
UNWIND $test as rows MATCH (b:Batch) WHERE all(test in keys(rows) WHERE b[test]=rows[test]) RETURN DISTINCT b{ .*, driver_count: [ (d:Driver)-[:Yes]->(b:Batch) | count(d)] } as data I am trying to filter the batch nodes and also count the number of ...
Hi guys, I'm trying to make this db: 90 person with a name, ex: MERGE (MicheleLandi:Person {name: "Michele Landi"}) 100 movies with a title, ex: MERGE (Ace_Ventura__When_Nature_Calls__1995_:Movie {name: "Ace Ventura: When Nature Calls [1995]"}) And e...
I have the following "node hierarchy": (:MediaHost) has multiple (:Bucket)s and each bucket can have multiple (:MediaFile)s and are related like so: (h:MediaHost)-[:HAS_BUCKET]->(b:Bucket)-[:LINKS_TO_FILE]->(f:MediaFile) So, for getting 2 files from ...
At the critical point of a query it throws negative DB Hits at me, does anyone know why this happens? Or do you have a reference to solve this problem? Based on what I was investigating this could be a numerical overflow
Hi There, I created an aws ec2 instance running CIS benchmark ubuntu 18.04 and installed neo4j. For security purposes, we want to run on a hardened image. However, once I started neo4j, I could not connect to ports 7474 or 7687. Has anyone used an...
"slowdown cascade phenomenon, where a single slow or failed shard negatively impacts the entire system, delaying the visibility of updates across many shards and leading to growing queues of delayed updates [2, 25]. Slowdown cascades thus violate a b...
Hello Team, As I am learning a Neo4j , there is a need of configuring an Neo4j application in Cluster. Please suggest which types of clustering can be achieved in Neo4j like from Below options RED HAT CLUSTERING ( ACTIVE / ACTIVE 2 NODE CLUSTERING ...
Hi all, my data model looks like the following: DataModel Project -name -usesApp Application -name -usesOtherApp Process -name -usesApp Is there a way to find all relationships in order to be able to "drill-down" to all relationships? I dont want to ...
I am trying to create a relationship between two nodes in neo4j. And what I am observing is that the relationship is created with a new blank node? Any Idea why it is happening? When I query for the nodes individually, it exists but the issue is when...
Hello, I'm trying to use GSD Eigenvector centrality algorithm based on Cypher projection and with weighted edges: CALL gds.alpha.eigenvector.stream({ nodeQuery: 'MATCH ... RETURN id(node) as id', relationshipQuery :'MATCH ... RETURN id(x) as source, ...
hi, can anyone help me !! which algorithm in neo4j i can use to group similar nodes in a cluster?
All the sessions of the conference are now available online
