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Large Scale and Big Data
book

Large Scale and Big Data

by Sherif Sakr, Mohamed Gaber
June 2014
Intermediate to advanced content levelIntermediate to advanced
636 pages
23h 13m
English
Auerbach Publications
Content preview from Large Scale and Big Data
171Large-Scale RDF Processing with MapReduce
multisets of mappings are brought together such that all compatible mappings can
be processed on the same machine. Our MAPSIN join technique computes the join
between p
1
and p
2
in a single map phase. At the beginning, the map phase is ini-
tialized with a parallel distributed HBase table scan for the rst triple pattern p
1
where each machine retrieves only those mappings that are locally available. This
is achieved by utilizing a mechanism for allocating local records to map functions,
which is supported by the MapReduce input format for HBase. The map function is
invoked for each retrieved mapping ...
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Publisher Resources

ISBN: 9781466581500