1.1 - 8.10 - PageRank Example - Teradata Vantage

Teradata Vantage™ - Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
1.1
8.10
Release Date
October 2019
Content Type
Programming Reference
Publication ID
B700-4003-079K
Language
English (United States)

Input

Input tables are from AllPairsShortestPath Example: Unweighted, Unbounded Graph:

  • Vertices: callers
  • Edges: calls

SQL Call

SELECT * FROM PageRank (
  ON callers AS Vertices PARTITION BY callerid
  ON calls AS Edges PARTITION BY callerfrom
  USING
  Targetkey ('callerto')
  EdgeWeight ('calls')
  Accumulate ('callerid', 'callername')
) AS dt ORDER BY callerid;

Output

 callerid callername pagerank            
 -------- ---------- ------------------- 
        1 john       0.08901149252559355
        2 carla      0.12265780532507689
        3 simon      0.09574075508549022
        4 celine     0.14442118900896703
        5 winston    0.08901149252559355
        6 diana       0.4591572655292789

Download a zip file of all examples and a SQL script file that creates their input tables from the attachment in the left sidebar.