An adaptive plan-based approach to integrating semantic streams with remote RDF data

Sejin Chun, Jooik Jung, Seungmin Seo, Wonwoo Ro, Kyong Ho Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

To satisfy a user’s complex requirements, Resource Description Framework (RDF) Stream Processing (RSP) systems envision the fusion of remote RDF data with semantic streams, using common data models to query semantic streams continuously. While streaming data are changing at a high rate and are pushed into RSP systems, the remote RDF data are retrieved from different remote sources. With the growth of SPARQL endpoints that provide access to remote RDF data, RSP systems can easily integrate the remote data with streams. Such integration provides new opportunities for mixing static (or quasi-static) data with streams on a large scale. However, the current RSP systems do not offer any optimisation for the integration. In this article, we present an adaptive plan-based approach to efficiently integrate sematic streams with the static data from a remote source. We create a query execution plan based on temporal constraints among constituent services for the timely acquisition of remote data. To predict the change of remote sources in real time, we propose an adaptive process of detecting a source update, forecasting the update in the future, deciding a new plan to obtain remote data and reacting to a new plan. We extend a SPARQL query with operators for describing the multiple strategies of the proposed adaptive process. Experimental results show that our approach is more efficient than the conventional RSP systems in distributed settings.

Original languageEnglish
Pages (from-to)852-865
Number of pages14
JournalJournal of Information Science
Volume43
Issue number6
DOIs
Publication statusPublished - 2017 Dec 1

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Data description
Semantics
semantics
Processing
resources
Data structures
Fusion reactions

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Library and Information Sciences

Cite this

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An adaptive plan-based approach to integrating semantic streams with remote RDF data. / Chun, Sejin; Jung, Jooik; Seo, Seungmin; Ro, Wonwoo; Lee, Kyong Ho.

In: Journal of Information Science, Vol. 43, No. 6, 01.12.2017, p. 852-865.

Research output: Contribution to journalArticle

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