April 2016
Intermediate to advanced
604 pages
25h 38m
English
book
Analyzing and Securing Social Networks
by Bhavani Thuraisingham, Satyen Abrol, Raymond Heatherly, Murat Kantarcioglu, Vaibhav Khadilkar, Latifur Khan
Content preview from Analyzing and Securing Social Networks
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450 Analyzing and Securing Social Networks
Hadoop’s MapReduce functionalities. Our RDF query processing is composed of two main steps:
(i) preprocessing and (ii) query optimization and execution.
Preprocessing: To execute a SPARQL query on RDF data, we carried out data preprocessing
steps and stored the preprocessed data in HDFS. A separate MapReduce task was written to per-
form the conversion of RDF/XML data into N-Triples as well as for prex generation. Our storage
strategy is based on predicate splits (Husain et al., 2011).
Query execution and optimization: We have developed a SPARQL query execution and optimi-
zation module for Hadoop. As our ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.