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The following page has been changed by OlgaN:

  define X ` foo.gz` ship('') cache('foo.gz')
+ In the later release we might choose to decide what data to ship based on the 
sizes rather than requiring users to do so.
  === 3 Input/Output Handling ===
  ==== 3.1 Data serialization/deserialization ====
+ Serialization/deserialization is needed respectively to convert data from 
tuples to a stream to pass to the streaming application and converts streaming 
application output back to tuples.
  By default, the data going into the streaming command and the one coming out 
is assumed to be tab delimited.

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