Logical Linked Data Compression

introducer: Laura Hollink, Centrum Wiskunde & Informatica (CWI)
author: Amit Krishna Joshi, Kno.e.sis, Wright State University
published: July 8, 2013,   recorded: May 2013,   views: 62
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Description

Linked data has experienced accelerated growth in recent years. With the continuing proliferation of structured data, demand for RDF compression is becoming increasingly important. In this study, we introduce a novel lossless compression technique for RDF datasets, called Rule Based Compression (RB Compression) that compresses datasets by generating a set of new logical rules from the dataset and removing triples that can be inferred from these rules. Unlike other compression techniques, our approach not only takes advantage of syntactic verbosity and data redundancy but also utilizes semantic associations present in the RDF graph. Depending on the nature of the dataset, our system is able to prune more than 50% of the original triples without affecting data integrity.

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