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v4.0
    v4.0

    Struc2Vec Walk

    Overview

    Struc2Vec random walk is a biased second-order random walk, the sequences generated by the algorithm can be used as samples for the Struc2Vec graph embedding algorithm. Struc2Vec random walk is part of the framework of Struc2Vec graph embedding, please read chapter Struc2Vec for details.

    Command and Configuration

    • Command:algo(random_walk_struc2vec)
    • Configurations for the parameter params():
    Name Type
    Default
    Specification
    Description
    ids / uuids []_id / []_uuid / / IDs or UUIDs of nodes to start the walk; all nodes to be selected if not set
    walk_length int 1 >=1 Depth of each walk, i.e. the number of nodes walking through
    walk_num int 1 >=1 Number of walks
    k int / [1,10] Number of layers of the multilayer graph, it should be equal or lower than the diameter of the graph
    stay_probability float / [0,1] The probability of staying at the current level
    limit int -1 >=-1 Number of results to return; return all results if sets to -1 or not set

    Algorithm Execution

    Task Writeback

    1. File Writeback

    Configuration
    Data in Each Row
    Description
    filename _id,_id,... IDs of nodes that walked through

    2.Property Writeback

    Not supported by this algorithm.

    3. Statistics Writeback

    This algorithm has no statistics.

    Direct Return

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

    Streaming Return

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

    Real-time Statistics

    This algorithm has no statistics.

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