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From Apache Wiki <wikidi...@apache.org>
Subject [Lucene-hadoop Wiki] Trivial Update of "Hbase/ShellPlans" by udanax
Date Mon, 20 Aug 2007 23:33:00 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Lucene-hadoop Wiki" for change notification.

The following page has been changed by udanax:
http://wiki.apache.org/lucene-hadoop/Hbase/ShellPlans

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  }}}
  
  '''(ex. 2)''' Theta Join : ▷◁,,C,,
- [[BR]]~-''movieStars_table▷◁,,actor < year,,movieLog_table''-~
+ [[BR]]~-''movieStars_table▷◁,,actor < year,,movieLog_table = σ,,actor < year,,(movieStars_table
X movieLog_table)''-~
  
  {{{
  Hbase.altools > A = Table('movieStars_table'); 
@@ -71, +71 @@

  Hbase.altools > C = A.thetaJoin(B);
  
  Hbase.altools > store C to table('result_table'); 
+ }}}
+ 
+ '''(ex. 3)''' Search the most quick year of the movies where each star appears.
+ [[BR]]~-''γ ,,starName.MIN(year) → minYear,, (movieStars_table)''-~
+ 
+ {{{
+ Hbase.altools > A = Table('movieStars_table');
+ Hbase.altools > B = A.Group('starName',MIN('year'));
+ 
+ Hbase.altools > store B to table('result_table');
  }}}
  
  == Matrix Arithmetic Operators ==
@@ -110, +120 @@

  = Papers =
   * ''Bigtable: A Distributed Storage System for Structured Data''
   * ''Interpreting the Data: Parallel Analysis with Sawzall''
+  * ''Y!'s Research Project : Pig Document''
-  * ''PyTables - Hierarchical Datasets in Python''
+  * ''Py-Tables - Hierarchical Datasets in Python''
   * ''Numpy - Scientific Tools for Python''
   * ''C-Store: A Column Oriented DBMS''
-  * ''Matlab, Octave Papers''
  

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