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The following page has been changed by AntonioMagnaghi:

  === Data Storage Descriptors ===
+ Descriptors are a represenation of entities in the Data Storage and are used 
to access and carry out operations on such entities.
+ There are Element Descriptors and Container Descriptors. The latter are 
descriptors for entities that contain Data Storage Element Descriptors.
  package org.apache.pig.datastorage;
@@ -308, +310 @@

+ === Data-Storage Use-Cases ===
+ The links below contain code fragments that make use the propoesed APIs.
+    PigAbstractionFrontEnd: sample re-write of some fragments of Pig
+    PigAbstractionHadoopBackEnd: sample code that implements the proposed APIs 
on top of Hadoop.

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