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      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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