Semantics2019 trip report

Last week, I attended the SEMANTiCS2019 conference in Karlsruhe, Germany. This was the 15th edition of the conference that brings together Academia and Industry around the topic of Knowledge Engineering and Semantic Technologies and the good news was that this year’s conference was the biggest ever with 426 unique participants.

I was not able to join the workshop day or the dbpedia day on monday and thursday respectively, but was there for the main programme. The first day opened with a keynote from Oracle’s Michael J. Sullivan about Hybrid Knowledge Management Architecture and how Oracle is betting on Semantic Technology to work in combination with data lake architectures.

The 2nd keynote by Michel Dumontier of Maastricht University covered the principles of FAIR publishing of data and current avances in actually measuring FAIRness of datasets.

During one of the parallel sessions I attended the presentation of the eventual best paper winner Robin Keskisärkkä, Eva Blomqvist, Leili Lind, and Olaf Hartig. RSP-QL*: Enabling Statement-Level Annotations in RDF Streams . This was a very nice talk for a very nice and readable paper. The paper describes the combination of current RDF stream reasoning language RSP-QL and how it can be extended with the principles of RDF* that allow for statements about statements without traditional re-ification. The paper nicely mixes formal semantics, an elegant solution, working code, and a clear use case and evaluation. Congratulations to the winners.

Other winners included the best poster, which was won by our friends over at UvA.

The second day for me was taken up by the Special Track on Cultural Heritage and Digital Humanities, which consisted of research papers, use case presentations and posters that relate to the use of Semantic technologies in this domain. The program was quite nice, as the embedded tweets below hopefully show.

All in all, this years edition of SEMANTICS was a great one, I hope next year will be even more interesting (I will be general chairing it).

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Linked Art Provenance

In the past year, together with Ingrid Vermeulen (VU Amsterdam) and Chris Dijkshoorn (Rijksmuseum Amsterdam), I had the pleasure to supervise two students from VU, Babette Claassen and Jeroen Borst, who participated in a Network Institute Academy Assistant project around art provenance and digital methods. The growing number of datasets and digital services around art-historical information presents new opportunities for conducting provenance research at scale. The Linked Art Provenance project investigated to what extent it is possible to trace provenance of art works using online data sources.

Caspar Netscher, the Lacemaker, 1662, oil on canvas. London: the Wallace Collection, P237

In the interdisciplinary project, Babette (Art Market Studies) and Jeroen (Artificial Intelligence) collaborated to create a workflow model, shown below, to integrate provenance information from various online sources such as the Getty provenance index. This included an investigation of potential usage of automatic information extraction of structured data of these online sources.

This model was validated through a case study, where we investigate whether we can capture information from selected sources about an auction (1804), during which the paintings from the former collection of Pieter Cornelis van Leyden (1732-1788) were dispersed. An example work , the Lacemaker, is shown above. Interviews with various art historian validated the produced workflow model.

The workflow model also provides a basic guideline for provenance research and together with the Linked Open Data process can possibly answer relevant research questions for studies in the history of collecting and the art market.

More information can be found in the Final report

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