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From Apache Wiki <wikidi...@apache.org>
Subject [Hama Wiki] Trivial Update of "GraphAndMatrices" by udanax
Date Thu, 06 Nov 2008 13:58:14 GMT
Dear Wiki user,

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The following page has been changed by udanax:
http://wiki.apache.org/hama/GraphAndMatrices

------------------------------------------------------------------------------
    * If more than one edge connects two vertices, this is a multigraph. In general, we do
not use multigraphs, preferring to use either valued graphs (to represent the number of interactions
between ''A'' and ''B'') or wholly separate graphs (to represent substantively different relations,
such as "does business with" and "is married to"
  
  == Matrices ==
- We can record who is connected to whom on a given social relation via an adjacency matrix.
The adjacency matrix is a square, 1-mode matrix like this:
+ We can record who is connected to whom on a given social relation via an adjacency matrix.
The adjacency matrix is a square, 1-mode actor by actor matrix like this:
  
  ||<rowbgcolor="#ececec"> || A || B || C || D || E || F || G ||<|8>[http://wiki.apache.org/hama-data/attachments/GraphAndMatrices/attachments/graph.jpg]||
  ||<bgcolor="#ececec"> A ||   || 1 || 0 || 1 || 0 || 0 || 1 ||

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