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v2.x
    v4.0

    Node2Vec Walk

      AI  

    Command

    algo(random_walk_node2vec).params(<>)

    Configuration Item Type Default Value Specification Description
    ids []_id All nodes List of IDs of the start nodes
    uuids []_uuid All nodes List of UUIDs of the start nodes
    walk_length int 1 >=1 Distance/Steps of each walk
    walk_num int 1 >=1 Number of walks
    p float 1 >0 Parameter of return, the larger the value, the smaller the probability of walking back
    q float 1 >0 Parameter of in-out, which represents the probablity being able to walk farther away
    >1: Tend to walk in the same level
    <1: Tend to walk farther away
    edge_schema_property []@<schema>?.<property> Weight of 1 Numeric edge property, LTE needed Name of the property where the edge weight locates, schema can be either carried or not, multiple properties can be specified; edges without this property will not participate in the random walk calculation
    limit int -1 -1 or >=0 Number of results to return, -1 means to return all results

    File Writeback

    .write({file: {<>}})

    Parameter Type Default Value Specification Description
    filename string / / Name of the file path to be written back. Columns of the file are: _id, _id, ...

    Property Writeback

    (Not supported)

    Statistics Writeback

    (Not supported)

    Direct Return

    as <alias> return <alias>

    Alias Number Type Description Column Name
    0 []perWalk Array of nodes that walked through each time [_uuid, _uuid, ...]

    Streaming Return

    .stream() as <alias> return <alias>

    Alias Number Type Description Column Name
    0 []perWalk Array of nodes that walked through each time [_uuid, _uuid, ...]

    Real-time Statistics

    (Not supported)

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