3XL: An Efficient DBMS-Based Triple-Store

Xiufeng Liu, Christian Thomsen, Torben Bach Pedersen

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Abstract

This paper demonstrates the use of 3XL, a DBMSbased triple-store for OWL Lite data. 3XL is characterized by its use of a database schema specialized for the data to represent. The specialized database schema uses object-relational features – particularly inheritance – and partitions the data such that it is fast to locate the needed data when it is queried. Further, the generated database schema is very intuitive and it is thus easy to integrate the OWL data with other kinds of data. 3XL offers performance comparable to the leading file-based triple-stores. We will demonstrate 1) how a specialized database schema is generated by 3XL based on an OWL ontology; 2) how triples are loaded, including how they pass through the 3XL system and how 3XL can be configured to fine-tune performance; and 3) how (simple and complex) queries can be expressed and how they are executed by 3XL.
Original languageEnglish
Title of host publication23rd International Workshop on Database and Expert Systems Applications (DEXA), 2012
Number of pages5
PublisherIEEE
Publication date2012
Pages284 - 288
ISBN (Print)978-1-4673-2621-6
Publication statusPublished - 2012
Externally publishedYes
Event23rd International Workshop on Database and Expert Systems Applications - Vienna, Austria
Duration: 3 Sep 20127 Sep 2012

Conference

Conference23rd International Workshop on Database and Expert Systems Applications
Country/TerritoryAustria
CityVienna
Period03/09/201207/09/2012

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