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  4. Efficient Storage, Archiving, and Query Processing for Semantic Data in Smart Living
 
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2022
Master Thesis
Titel

Efficient Storage, Archiving, and Query Processing for Semantic Data in Smart Living

Abstract
Triplestores are the database managements systems for RDF data. Many triplestores exist and a lot of work has been done to find which of them perform better in specific use-cases. But just like any other database solution, a triplestore may perform better in some use-cases but worse in others. In this thesis, a criteria was devised to select the top three trending triplestores and benchmark their performance in a smart living scenario, as none was available. Unlike the previously developed benchmarks, these benchmarks were performed on raspberry pi and real data and queries were used instead of synthetically generated data and queries. The benchmarks showed that OpenLink Virtuo-so outperformed Jena TDB and RDF4J in inserting and deleting triples. For retrieving triples, the results were mix but in most cases Virtuoso outperformed the other triplestores especially when triples from a short time interval were queried. On on hand, Virtuoso's performance was found independent of dataset size whereas the performance of Jena TDB and RDF4J degraded with in-creasing dataset size. On the other hand, Virtuoso's performance degraded with increasing the time interval from which triples were queried whereas no such degradation was found for Jena TDB and RDF4J.
ThesisNote
Darmstadt, TU, Master Thesis, 2022
Author(s)
Khan, Daud Azim
Advisor
Tazari, Mohammad-Reza
Fraunhofer-Institut für Graphische Datenverarbeitung IGD
Kuijper, Arjan orcid-logo
Fraunhofer-Institut für Graphische Datenverarbeitung IGD
Verlagsort
Darmstadt
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Language
English
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Fraunhofer-Institut für Graphische Datenverarbeitung IGD
Tags
  • Lead Topic: Smart City

  • Research Line: Human computer interaction (HCI)

  • Research Line: Modeling (MOD)

  • AAL platforms

  • ambient assisted living (AAL)

  • database applications

  • smart home

  • smart objects

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