A dynamic HDT variant

Tracking #: 3244-4458

This paper is currently under review
Eirik Kultorp
Wouter Beek
Stefan Schlobach

Responsible editor: 
Guest Editors Tools Systems 2022

Submission type: 
Tool/System Report
HDT is a compact yet queryable storage format for RDF data. HDT scales to very large datasets and is used in production environments. While it’s possible to merge two HDT files, it is not possible to perform removals. This prevents use of HDT for some use-cases which require dynamism. In this paper we propose and evaluate a dynamic HDT variant. Our results show that we achieve performant update operations without a prohibitively high cost for other operations, making our implementation a viable alternative to the existing HDT implementation if dynamism is required.
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