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On the semantics of TPF-QS towards publishing and querying RDF streams at web-scale

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Abstract
RDF Stream Processing (RSP) is a rapidly evolving area of research that focuses on extensions of the Semantic Web in order to model and process Web data streams. While state-of-the-art approaches concentrate on server-side processing of RDF streams, we investigate the Triple Pattern Fragments Query Streamer (TPF-Qs) method for server-side publishing of RDF streams, which moves the workload of continuous querying to clients. We formalize TPF-QS in terms of the RSP-QL reference model in order to formally compare it with existing RSP query languages. We experimentally validate that, compared to the state of the art, the server load of TPF-QS scales better with increasing numbers of concurrent clients in case of simple queries, at the cost of increased bandwidth consumption. This shows that TPF-QS is an important first step towards a viable solution for Web-scale publication and continuous processing of RDF streams. (C) 2018 The Authors. Published by Elsevier B.V.
Keywords
Linked Data, RDF stream processing, continuous querying, TPF-QS, RSP-QL, SPARQL

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MLA
Taelman, Ruben et al. “On the Semantics of TPF-QS Towards Publishing and Querying RDF Streams at Web-scale.” PROCEEDINGS OF THE 14TH INTERNATIONAL CONFERENCE ON SEMANTIC SYSTEMS. Vol. 137. 2018. 43–54. Print.
APA
Taelman, R., Tommasini, R., Van Herwegen, J., Vander Sande, M., Della Valle, E., & Verborgh, R. (2018). On the semantics of TPF-QS towards publishing and querying RDF streams at web-scale. PROCEEDINGS OF THE 14TH INTERNATIONAL CONFERENCE ON SEMANTIC SYSTEMS (Vol. 137, pp. 43–54). Presented at the 14th Annual International Conference on Semantic Systems (SEMANTiCS).
Chicago author-date
Taelman, Ruben, Riccardo Tommasini, Joachim Van Herwegen, Miel Vander Sande, Emanuele Della Valle, and Ruben Verborgh. 2018. “On the Semantics of TPF-QS Towards Publishing and Querying RDF Streams at Web-scale.” In PROCEEDINGS OF THE 14TH INTERNATIONAL CONFERENCE ON SEMANTIC SYSTEMS, 137:43–54.
Chicago author-date (all authors)
Taelman, Ruben, Riccardo Tommasini, Joachim Van Herwegen, Miel Vander Sande, Emanuele Della Valle, and Ruben Verborgh. 2018. “On the Semantics of TPF-QS Towards Publishing and Querying RDF Streams at Web-scale.” In PROCEEDINGS OF THE 14TH INTERNATIONAL CONFERENCE ON SEMANTIC SYSTEMS, 137:43–54.
Vancouver
1.
Taelman R, Tommasini R, Van Herwegen J, Vander Sande M, Della Valle E, Verborgh R. On the semantics of TPF-QS towards publishing and querying RDF streams at web-scale. PROCEEDINGS OF THE 14TH INTERNATIONAL CONFERENCE ON SEMANTIC SYSTEMS. 2018. p. 43–54.
IEEE
[1]
R. Taelman, R. Tommasini, J. Van Herwegen, M. Vander Sande, E. Della Valle, and R. Verborgh, “On the semantics of TPF-QS towards publishing and querying RDF streams at web-scale,” in PROCEEDINGS OF THE 14TH INTERNATIONAL CONFERENCE ON SEMANTIC SYSTEMS, Vienna, AUSTRIA, 2018, vol. 137, pp. 43–54.
@inproceedings{8623340,
  abstract     = {RDF Stream Processing (RSP) is a rapidly evolving area of research that focuses on extensions of the Semantic Web in order to model and process Web data streams. While state-of-the-art approaches concentrate on server-side processing of RDF streams, we investigate the Triple Pattern Fragments Query Streamer (TPF-Qs) method for server-side publishing of RDF streams, which moves the workload of continuous querying to clients. We formalize TPF-QS in terms of the RSP-QL reference model in order to formally compare it with existing RSP query languages. We experimentally validate that, compared to the state of the art, the server load of TPF-QS scales better with increasing numbers of concurrent clients in case of simple queries, at the cost of increased bandwidth consumption. This shows that TPF-QS is an important first step towards a viable solution for Web-scale publication and continuous processing of RDF streams. (C) 2018 The Authors. Published by Elsevier B.V.},
  author       = {Taelman, Ruben and Tommasini, Riccardo and Van Herwegen, Joachim and Vander Sande, Miel and Della Valle, Emanuele and Verborgh, Ruben},
  booktitle    = {PROCEEDINGS OF THE 14TH INTERNATIONAL CONFERENCE ON SEMANTIC SYSTEMS},
  issn         = {1877-0509},
  keywords     = {Linked Data,RDF stream processing,continuous querying,TPF-QS,RSP-QL,SPARQL},
  language     = {eng},
  location     = {Vienna, AUSTRIA},
  pages        = {43--54},
  title        = {On the semantics of TPF-QS towards publishing and querying RDF streams at web-scale},
  url          = {http://dx.doi.org/10.1016/j.procs.2018.09.005},
  volume       = {137},
  year         = {2018},
}

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