Exemple #1
0
def test_pagerank(property_graph: PropertyGraph):
    property_name = "NewProp"

    pagerank(property_graph, property_name)

    node_schema: Schema = property_graph.node_schema()
    num_node_properties = len(node_schema)
    new_property_id = num_node_properties - 1
    assert node_schema.names[new_property_id] == property_name

    pagerank_assert_valid(property_graph, property_name)

    stats = PagerankStatistics(property_graph, property_name)

    assert stats.min_rank == approx(0.1499999761581421)
    assert stats.max_rank == approx(1328.6629638671875, abs=0.06)
    assert stats.average_rank == approx(0.5205338001251221, abs=0.001)
Exemple #2
0
def run_pagerank(property_graph: PropertyGraph, _input_args):
    property_name = "NewProp"

    tolerance = 0.000001
    max_iteration = 1000
    alpha = 0.85

    pagerank_plan = analytics.PagerankPlan.pull_topological(tolerance, max_iteration, alpha)

    with time_block("pagerank"):
        analytics.pagerank(property_graph, property_name, pagerank_plan)

    check_schema(property_graph, property_name)

    analytics.pagerank_assert_valid(property_graph, property_name)

    stats = analytics.PagerankStatistics(property_graph, property_name)
    print(f"STATS:\n{stats}")
    property_graph.remove_node_property(property_name)