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#semanticweb

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NFDI4DS

🚀 New Release: GESIS Knowledge Graph (GESIS KG) 🌐

We are excited to introduce version 1.0.0 of the GESIS KG, which integrates metadata of scientific resources available in GESIS Search.

The knowledge graph facilitates understanding relationships between data, publications, and social concepts, enhancing the traceability and reproducibility of research.

🔗 Learn more: data.gesis.org/gesiskg/site/

#KnowledgeGraph
#KG
#Search
#SemanticWeb
#SocialSciences
#NFDI4DS
#GESIS
@GESIS

Harald Sack

Deadline extension for #SeMatS2025
2nd Int. Workshop on Semantic Materials Science - Harnessing the Power of Semantic Web Technologies in Materials Science, co located at #ISWC2025
New Deadline: Aug 9, 2025, AoE

Please, spread the news and submit! :)

sites.google.com/view/semats20

#semanticweb #ontologies #bfo #materialsscience #mse #knowledgegraphs #AI @fiz_karlsruhe @fizise @KIT_Karlsruhe @HL @joerg #NFDIMatWerk #PMD #materialdigital #stahldigital

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Harald Sack

In our last #ISE2025 lecture last week, we were discussing what makes a node "important" in a knowledge graph. A simple heuristics can be borrowed from graph theory or communication theory: Degree Centrality

Interestingly, in Wikidata In-degree centrality states Jane Austen to be to most "important" female author, while Out-degree centrality claims J.K. Rowling as being more "important" ;-)

#knowledgegraphs #semanticweb #graphtheory #feminism #eyeofthebeholder @sourisnumerique @enorouzi

FIZ ISE Research Group

We have additionally published our #DH2025 contribution at #zenodo:

Söhn, L. C., Tietz, T., Steller, J. J., Kehrein, P., Büttner, A., Bruns, O., Posthumus, E., Grünewälder, J.-P., Hörnschemeyer, J., Sander, C., Grund, V., Fliegl, H., Sack, H., & Schrade, T. : NFDI4Culture Integration Stories: Bridging Gaps between isolated Research Resources

zenodo.org/records/16570076

#dh #digitalhumanities #culturalheritage @fiz_karlsruhe @jonatan @tabea @sashabruns @heikef @epoz #semanticweb @nfdi4culture

ZenodoNFDI4Culture Integration Stories: Bridging Gaps between isolated Research ResourcesThis paper is published with the Digital Humanities Conference 2025 in Lisbon, Portugal and was presented in the conference poster session.  It showcases the integration of metadata from two cultural heritage (CH) sources - RISM Online and the Gregorovius digital edition - into the NFDI4Culture Knowledge Graph (NFDI4Culture-KG). NFDI4Culture-KG enhances findability and interoperability across disciplines like musicology, art history, and media studies. Using shared authority files (e.g., GND, VIAF) and the NFDI4Culture Ontology (CTO), heterogeneous datasets are semantically linked via e.g. people and locations. The integration is powered by an ETL environment (Culture Knowledge Graph Kitchen) enabling scalable harvesting, transformation, and integration of metadata on CH data into the Culture Knowledge Graph. This enables researchers to discover new connections - such as between musical sources of RISM Online and letters of the Gregorovius edition - via SPARQL or perspectively a GUI, enhancing cross-domain research in cultural heritage.
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Harald Sack

You are an expert in ontologies and knowledge graphs? You have an interest (or even better expertise) in materials science engineering? Then you should apply! Open PostDoc/Senior Researcher position at FIZ Karlsruhe ISE Research Team in the Knowledge Graph department. More info at fiz-karlsruhe.de/en/stellenanz

#joboffer #ontologies #bfo #bfo2020 #pmd #materialsscience #knowledgegraphs #jobad #ontologyengineering #semanticweb #modeling @fizise #materialdigital #nfdimatwerk @fiz_karlsruhe

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Wikidata

What does it take to maintain one of the world's largest repositories of free, structured knowledge?

Read this interview about the challenges Wikidata faces and how the team handles massive scale and constant updates, all while remaining open source:
bigdatawire.com/2025/07/10/sca #OpenData #KnowledgeGraphs #BigData #SemanticWeb

BigDATAwire · Scaling the Knowledge Graph Behind WikipediaAs the fifth most popular website on the Internet, keeping Wikipedia running smoothly is no small feat. The free encyclopedia hosts more than 65 million
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Kai Kubasta

I haven’t really contributed to the discussion, but I’m glad to see that the `pronouns` property has finally been added to the Schema.org vocabulary after I created a GitHub issue back in 2021.

So if you’re into #SemanticWeb, you can now properly specify your pronouns as structured data: schema.org/pronouns

schema.orgpronouns - Schema.org PropertySchema.org Property: pronouns - A short string listing or describing pronouns for a person. Typically the person concerned is the best authority as pronouns are a critical part of personal identity and expression. Publishers and consumers of this information are reminded to treat this data responsibly, take country-specific laws related to gender expression into account, and be wary of out-of-date data and drawing unwarranted inferences about the person being described.<br/><br/> In English, formulations such as "they/them", "she/her", and "he/him" are commonly used online and can also be used here. We do not intend to enumerate all possible micro-syntaxes in all languages. More structured and well-defined external values for pronouns can be referenced using the <a class="localLink" href="/StructuredValue">StructuredValue</a> or <a class="localLink" href="/DefinedTerm">DefinedTerm</a> values.
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