Neo4j WCC Example

neo4j-wcc-example.cyp

// Data was randomly generated data

// Create the Graph
CALL gds.graph.create(
    'wcc-graph', {
        Customer: { label: 'Customer' },
        Email: { label: 'Email' },
        Phone: { label: 'Phone' }
    },
    {
	        HAS_EMAIL: {
	            type: 'HAS_EMAIL',
	            orientation: 'NATURAL'
	        },
	        HAS_PHONE: {
	            type: 'HAS_PHONE',
	            orientation: 'NATURAL'
	        }
	    }
)
YIELD graphName, nodeCount, relationshipCount;

// Estimate Stats
CALL gds.wcc.stats('wcc-graph')
YIELD componentCount;

// Run wcc and store results in memory
CALL gds.wcc.mutate('wcc-graph', { mutateProperty: 'componentId' })
YIELD nodePropertiesWritten, componentCount;

// Write in-memory property to graph
CALL gds.wcc.write('wcc-graph', { writeProperty: 'componentId' })
YIELD nodePropertiesWritten, componentCount;

// Create Index
CREATE INDEX componentID FOR (n:Customer) ON (n.componentId);

// Examine communities
match (n:Customer) return n.componentId, count(n) as numComponents 
order by numComponents desc limit 20;

// Display a community
match (n:Customer) where n.componentId=216
with n
match path= (n)-[:HAS_EMAIL|HAS_PHONE]->()
return path;