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#KnowledgeGraphs

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ISWC 2025<p>🕒 Time's ticking! ISWC 2025 Poster &amp; Demo deadline is almost here — July 31!</p><p>CfP: <a href="https://iswc2025.semanticweb.org/#/calls/posters" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">iswc2025.semanticweb.org/#/cal</span><span class="invisible">ls/posters</span></a></p><p><a href="https://mastodon.social/tags/ISWC2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ISWC2025</span></a> <a href="https://mastodon.social/tags/Posters" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Posters</span></a> <a href="https://mastodon.social/tags/Demos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Demos</span></a> <a href="https://mastodon.social/tags/SemanticWeb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SemanticWeb</span></a> <a href="https://mastodon.social/tags/KnowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KnowledgeGraphs</span></a> <a href="https://mastodon.social/tags/LLM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LLM</span></a> <a href="https://mastodon.social/tags/AI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AI</span></a> </p><p><span class="h-card" translate="no"><a href="https://mastodon.social/@anligentile" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>anligentile</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@maribelacosta" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>maribelacosta</span></a></span> <span class="h-card" translate="no"><a href="https://sigmoid.social/@GenAsefa" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>GenAsefa</span></a></span></p>
ISWC 2025<p>📌 Reminder: ISWC 2025 Posters &amp; Demos Deadline – July 31!<br>Got a tool, prototype, or early-stage idea? Share it with the community at ISWC 2025!</p><p>🗓️ Deadline: July 31, 2025<br> 🔗<a href="https://iswc2025.semanticweb.org/#/calls/posters" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">iswc2025.semanticweb.org/#/cal</span><span class="invisible">ls/posters</span></a></p><p><a href="https://mastodon.social/tags/ISWC2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ISWC2025</span></a> <a href="https://mastodon.social/tags/Posters" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Posters</span></a> <a href="https://mastodon.social/tags/Demos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Demos</span></a> <a href="https://mastodon.social/tags/SemanticWeb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SemanticWeb</span></a> <a href="https://mastodon.social/tags/KnowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KnowledgeGraphs</span></a> <a href="https://mastodon.social/tags/LLM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LLM</span></a> <a href="https://mastodon.social/tags/AI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AI</span></a> </p><p><span class="h-card" translate="no"><a href="https://mastodon.social/@anligentile" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>anligentile</span></a></span> <span class="h-card" translate="no"><a href="https://mstdn.jp/@K_e_n_F" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>K_e_n_F</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@maribelacosta" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>maribelacosta</span></a></span> <span class="h-card" translate="no"><a href="https://sigmoid.social/@GenAsefa" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>GenAsefa</span></a></span></p>
Harald Sack<p>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 <a href="https://www.fiz-karlsruhe.de/en/stellenanzeigen/postdocsenior-researcher-wmx" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">fiz-karlsruhe.de/en/stellenanz</span><span class="invisible">eigen/postdocsenior-researcher-wmx</span></a></p><p><a href="https://sigmoid.social/tags/joboffer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>joboffer</span></a> <a href="https://sigmoid.social/tags/ontologies" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ontologies</span></a> <a href="https://sigmoid.social/tags/bfo" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bfo</span></a> <a href="https://sigmoid.social/tags/bfo2020" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bfo2020</span></a> <a href="https://sigmoid.social/tags/pmd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pmd</span></a> <a href="https://sigmoid.social/tags/materialsscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>materialsscience</span></a> <a href="https://sigmoid.social/tags/knowledgegraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgegraphs</span></a> <a href="https://sigmoid.social/tags/jobad" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>jobad</span></a> <a href="https://sigmoid.social/tags/ontologyengineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ontologyengineering</span></a> <a href="https://sigmoid.social/tags/semanticweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semanticweb</span></a> <a href="https://sigmoid.social/tags/modeling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>modeling</span></a> <span class="h-card" translate="no"><a href="https://sigmoid.social/@fizise" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fizise</span></a></span> <a href="https://sigmoid.social/tags/materialdigital" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>materialdigital</span></a> <a href="https://sigmoid.social/tags/nfdimatwerk" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nfdimatwerk</span></a> <span class="h-card" translate="no"><a href="https://wisskomm.social/@fiz_karlsruhe" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fiz_karlsruhe</span></a></span></p>
Institute for AI<p>Is complex query answering really complex? A paper at the International Conference on Machine Learning (<a href="https://xn--baw-joa.social/tags/ICML2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ICML2025</span></a>) presented by Cosimo Gregucci, PhD student at <span class="h-card" translate="no"><a href="https://xn--baw-joa.social/@UniStuttgartAI" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>UniStuttgartAI</span></a></span> <span class="h-card" translate="no"><a href="https://xn--baw-joa.social/@Uni_Stuttgart" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>Uni_Stuttgart</span></a></span>, discussed this question.</p><p>In this paper, Cosimo Gregucci, Bo Xiong, Daniel Hernández (<span class="h-card" translate="no"><a href="https://mstdn.degu.cl/@daniel" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>daniel</span></a></span>), Lorenzo Loconte, Pasquale Minervini (<span class="h-card" translate="no"><a href="https://sigmoid.social/@pminervini" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>pminervini</span></a></span>), Steffen Staab, and Antonio Vergari (<span class="h-card" translate="no"><a href="https://ellis.social/@nolovedeeplearning" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>nolovedeeplearning</span></a></span>) reveal that the “good” performance of SoTA approaches predominantly comes from answers that can be boiled down to single link prediction. Current neural and hybrid solvers can exploit (different) forms of triple memorization to make complex queries much easier. The authors confirm this by reporting the performance of these methods in a stratified analysis and by proposing a hybrid solver, CQD-Hybrid, which, while being a simple extension of an old method like CQD, can be very competitive against other SoTA models.</p><p>The paper proposed a way to make query answering benchmarks more challenging in order to advance science.</p><p><a href="https://arxiv.org/abs/2410.12537" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2410.12537</span><span class="invisible"></span></a></p><p><a href="https://xn--baw-joa.social/tags/KnowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KnowledgeGraphs</span></a> <a href="https://xn--baw-joa.social/tags/QueryAnswering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QueryAnswering</span></a> <a href="https://xn--baw-joa.social/tags/ArtificialIntelligence" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ArtificialIntelligence</span></a> <a href="https://xn--baw-joa.social/tags/MachineLearning" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MachineLearning</span></a> <a href="https://xn--baw-joa.social/tags/Benchmarking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Benchmarking</span></a> <a href="https://xn--baw-joa.social/tags/CQA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CQA</span></a></p>
Wikidata<p>What does it take to maintain one of the world's largest repositories of free, structured knowledge? </p><p>Read this interview about the challenges Wikidata faces and how the team handles massive scale and constant updates, all while remaining open source:<br> <a href="https://www.bigdatawire.com/2025/07/10/scaling-the-knowledge-graph-behind-wikipedia/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">bigdatawire.com/2025/07/10/sca</span><span class="invisible">ling-the-knowledge-graph-behind-wikipedia/</span></a> <a href="https://wikis.world/tags/OpenData" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpenData</span></a> <a href="https://wikis.world/tags/KnowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KnowledgeGraphs</span></a> <a href="https://wikis.world/tags/BigData" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BigData</span></a> <a href="https://wikis.world/tags/SemanticWeb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SemanticWeb</span></a></p>
Harald Sack<p>Congratulations to Akhil Thomas for his succesful PhD defense today in Freiburg with a thesis on Data-driven analysis of microstructure-sensitive fatigue damage initiation! 🎉🥂🙌</p><p><a href="https://sigmoid.social/tags/pmd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pmd</span></a> <a href="https://sigmoid.social/tags/materialsscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>materialsscience</span></a> <a href="https://sigmoid.social/tags/ai" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ai</span></a> <a href="https://sigmoid.social/tags/KnowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KnowledgeGraphs</span></a> <a href="https://sigmoid.social/tags/freiburg" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>freiburg</span></a> <a href="https://sigmoid.social/tags/phd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phd</span></a> <a href="https://sigmoid.social/tags/academiclife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>academiclife</span></a></p>
Harald Sack<p>This week our colleagues <span class="h-card" translate="no"><a href="https://fedihum.org/@tabea" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>tabea</span></a></span> and Linnea Söhn presented our joint work at the <a href="https://sigmoid.social/tags/DH2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DH2025</span></a> poster presentation at 30+°C outside in Lisbon, Portugal :) </p><p>poster at zenodo: <a href="https://zenodo.org/records/15878213" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">zenodo.org/records/15878213</span><span class="invisible"></span></a></p><p><a href="https://sigmoid.social/tags/dh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dh</span></a> <a href="https://sigmoid.social/tags/nfdirocks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nfdirocks</span></a> <span class="h-card" translate="no"><a href="https://nfdi.social/@nfdi4culture" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>nfdi4culture</span></a></span> <span class="h-card" translate="no"><a href="https://nfdi.social/@NFDI4Memory" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>NFDI4Memory</span></a></span> <span class="h-card" translate="no"><a href="https://nfdi.social/@NFDI4DS" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>NFDI4DS</span></a></span> <a href="https://sigmoid.social/tags/NFDIMatWerk" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NFDIMatWerk</span></a> <a href="https://sigmoid.social/tags/researchdatamanagement" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>researchdatamanagement</span></a> <span class="h-card" translate="no"><a href="https://sigmoid.social/@fizise" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fizise</span></a></span> <span class="h-card" translate="no"><a href="https://wisskomm.social/@fiz_karlsruhe" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fiz_karlsruhe</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@jonatan" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>jonatan</span></a></span> <span class="h-card" translate="no"><a href="https://fosstodon.org/@heikef" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>heikef</span></a></span> <span class="h-card" translate="no"><a href="https://fedihum.org/@sourisnumerique" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>sourisnumerique</span></a></span> <span class="h-card" translate="no"><a href="https://fedihum.org/@linnaea" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>linnaea</span></a></span> <span class="h-card" translate="no"><a href="https://fedihum.org/@sashabruns" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>sashabruns</span></a></span> <span class="h-card" translate="no"><a href="https://blog.epoz.org/" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>epoz</span></a></span> <a href="https://sigmoid.social/tags/ontologies" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ontologies</span></a> <br><a href="https://sigmoid.social/tags/knowledgegraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgegraphs</span></a> <a href="https://sigmoid.social/tags/semanticweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semanticweb</span></a> <a href="https://sigmoid.social/tags/ai" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ai</span></a></p>
Katja Hose<p>Today, I had the great pleasure of giving an introductory lecture on knowledge graphs at the <a href="https://mastodon.social/tags/BILAI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BILAI</span></a> Summer School 2025 in Klagenfurt. Great energy and engagement!<br><a href="https://mastodon.social/tags/knowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgeGraphs</span></a> <a href="https://mastodon.social/tags/RDF" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RDF</span></a> <a href="https://mastodon.social/tags/SHACL" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SHACL</span></a> <a href="https://mastodon.social/tags/SPARQL" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SPARQL</span></a> <a href="https://mastodon.social/tags/LLM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LLM</span></a></p><p><a href="https://www.bilateral-ai.net/doctoral-school/summer-school-2025" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">bilateral-ai.net/doctoral-scho</span><span class="invisible">ol/summer-school-2025</span></a></p>
Harald Sack<p>Tomorrow, we will dive deeper into ontologies with OWL, the Web Ontology Language. However, I'm doing OWL-lectures now for almost 20 years - and OWL as well as the lecture haven't changed much. So, I'm afraid I'm going to surprise/dissapoint the students tomorrow, when I will switch off the presentation and start improvising a random OWL ontology with them on the blackboard ;-) </p><p><a href="https://sigmoid.social/tags/ise2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ise2025</span></a> <a href="https://sigmoid.social/tags/OWL" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OWL</span></a> <a href="https://sigmoid.social/tags/semanticweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semanticweb</span></a> <a href="https://sigmoid.social/tags/semweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semweb</span></a> <a href="https://sigmoid.social/tags/RDF" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RDF</span></a> <a href="https://sigmoid.social/tags/knowledgegraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgegraphs</span></a> <span class="h-card" translate="no"><a href="https://wisskomm.social/@fiz_karlsruhe" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fiz_karlsruhe</span></a></span> <span class="h-card" translate="no"><a href="https://sigmoid.social/@fizise" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fizise</span></a></span> <span class="h-card" translate="no"><a href="https://fedihum.org/@tabea" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>tabea</span></a></span> <span class="h-card" translate="no"><a href="https://fedihum.org/@sourisnumerique" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>sourisnumerique</span></a></span> <span class="h-card" translate="no"><a href="https://sigmoid.social/@enorouzi" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>enorouzi</span></a></span></p>
Harald Klinke<p>New case study on how LLMs support knowledge graph creation for historical bookbinding:<br>“Stitching History into Semantics” presents BookBindKG, a Neo4j-based framework for documenting 19th-century Greek bookbinding with LLM-generated ontologies, Cypher queries, and semantic reasoning.<br>Open access: <a href="https://www.mdpi.com/2504-4990/7/3/59" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">mdpi.com/2504-4990/7/3/59</span><span class="invisible"></span></a></p><p><a href="https://det.social/tags/KnowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KnowledgeGraphs</span></a> <a href="https://det.social/tags/DigitalHumanities" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DigitalHumanities</span></a> <a href="https://det.social/tags/CulturalHeritage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CulturalHeritage</span></a> <a href="https://det.social/tags/BookHistory" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BookHistory</span></a> <a href="https://det.social/tags/AIforHumanities" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AIforHumanities</span></a> <a href="https://det.social/tags/Neo4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Neo4j</span></a> <a href="https://det.social/tags/OntologyEngineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OntologyEngineering</span></a> <a href="https://det.social/tags/LLM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LLM</span></a> <a href="https://det.social/tags/MachineLearning" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MachineLearning</span></a> <a href="https://det.social/tags/openaccess" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openaccess</span></a></p>
c4r510<p>In this blog post at <a href="https://s.gwdg.de/m5Bu3L" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">s.gwdg.de/m5Bu3L</span><span class="invisible"></span></a> I showcase the <a href="https://mastodon.world/tags/NFDI4BIOIMAGE" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NFDI4BIOIMAGE</span></a> (<span class="h-card" translate="no"><a href="https://nfdi.social/@nfdi4bioimage" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>nfdi4bioimage@nfdi.social</span></a></span>, <span class="h-card" translate="no"><a href="https://bird.makeup/users/nfdi4bioimage" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>nfdi4bioimage@bird.makeup</span></a></span>) <a href="https://mastodon.world/tags/knowledgegraph" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgegraph</span></a> and its function as a registry for public <a href="https://mastodon.world/tags/OMERO" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OMERO</span></a> image data repositories and their respective <a href="https://mastodon.world/tags/SPARQL" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SPARQL</span></a> endpoints. Annotated <a href="https://mastodon.world/tags/bioimage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bioimage</span></a> data has become part of the <a href="https://mastodon.world/tags/semanticweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semanticweb</span></a>. <span class="h-card" translate="no"><a href="https://fediscience.org/@joshmoore" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>joshmoore</span></a></span> <span class="h-card" translate="no"><a href="https://genomic.social/@Andrawaag" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>Andrawaag</span></a></span> <a href="https://mastodon.world/tags/nfdi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nfdi</span></a> <a href="https://mastodon.world/tags/metadata" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>metadata</span></a> <a href="https://mastodon.world/tags/KnowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KnowledgeGraphs</span></a> <a href="https://mastodon.world/tags/ontop" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ontop</span></a> <a href="https://mastodon.world/tags/r2rml" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>r2rml</span></a> <a href="https://mastodon.world/tags/rdf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rdf</span></a></p>
Victoria Stuart 🇨🇦 🏳️‍⚧️<p>How Does Graph Theory Shape Our World?<br><a href="https://www.quantamagazine.org/how-does-graph-theory-shape-our-world-20250626" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">quantamagazine.org/how-does-gr</span><span class="invisible">aph-theory-shape-our-world-20250626</span></a></p><p><a href="https://en.wikipedia.org/wiki/Graph_theory" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.wikipedia.org/wiki/Graph_th</span><span class="invisible">eory</span></a><br>Comments<br>* relational data/basis of knowledge graphs<br>* philosophy: Leibniz, 1714, monads, linking fundamental objects 😯<br><a href="https://en.wikipedia.org/wiki/Monadology" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.wikipedia.org/wiki/Monadolo</span><span class="invisible">gy</span></a></p><p><a href="https://mastodon.social/tags/math" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>math</span></a> <a href="https://mastodon.social/tags/GraphTheory" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GraphTheory</span></a> <a href="https://mastodon.social/tags/Monadology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Monadology</span></a> <a href="https://mastodon.social/tags/Leibniz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Leibniz</span></a> <a href="https://mastodon.social/tags/monads" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>monads</span></a> <a href="https://mastodon.social/tags/KnowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KnowledgeGraphs</span></a> <a href="https://mastodon.social/tags/epistemology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>epistemology</span></a> <a href="https://mastodon.social/tags/philosophy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>philosophy</span></a></p>
Harald Sack<p>In today's ISE 2025 lecture,, we will introduce SPARQL as a query language for knowledge graphs. Again, I'm trying out 'Dystopian Novels' as example knowledge graph playground. Let's see, if the students might know any of them. Wtat do you think? ;-) </p><p><a href="https://sigmoid.social/tags/dystopia" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dystopia</span></a> <a href="https://sigmoid.social/tags/literature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>literature</span></a> <a href="https://sigmoid.social/tags/ise2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ise2025</span></a> <a href="https://sigmoid.social/tags/semanticweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semanticweb</span></a> <a href="https://sigmoid.social/tags/semweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semweb</span></a> <a href="https://sigmoid.social/tags/knowledgegraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgegraphs</span></a> <a href="https://sigmoid.social/tags/sparql" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sparql</span></a> <a href="https://sigmoid.social/tags/lecture" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lecture</span></a> <span class="h-card" translate="no"><a href="https://fedihum.org/@tabea" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>tabea</span></a></span> <span class="h-card" translate="no"><a href="https://fedihum.org/@sourisnumerique" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>sourisnumerique</span></a></span> <span class="h-card" translate="no"><a href="https://sigmoid.social/@enorouzi" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>enorouzi</span></a></span></p>
Daniel Mietchen<p>Attending <a href="https://mastodon.social/tags/BiblioCon25" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BiblioCon25</span></a> in <a href="https://mastodon.social/tags/Bremen" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Bremen</span></a> for the rest of the week. Happy to discuss <a href="https://mastodon.social/tags/openscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openscience</span></a> <a href="https://mastodon.social/tags/opendata" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opendata</span></a> <a href="https://mastodon.social/tags/fairdata" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fairdata</span></a> <a href="https://mastodon.social/tags/knowledgegraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgegraphs</span></a> <a href="https://mastodon.social/tags/Wikimedia" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wikimedia</span></a> <a href="https://mastodon.social/tags/Wikipedia" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wikipedia</span></a> <a href="https://mastodon.social/tags/Wikidata" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wikidata</span></a> <a href="https://mastodon.social/tags/Scholia" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scholia</span></a> <a href="https://mastodon.social/tags/NFDI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NFDI</span></a> <a href="https://mastodon.social/tags/MaRDI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MaRDI</span></a> <a href="https://mastodon.social/tags/diamondOA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>diamondOA</span></a> <a href="https://mastodon.social/tags/SeDOA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SeDOA</span></a> <a href="https://mastodon.social/tags/nanopublications" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nanopublications</span></a> and related matters there.</p><p><a href="https://mastodon.social/tags/bibliocon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bibliocon</span></a> <a href="https://mastodon.social/tags/libraries" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>libraries</span></a></p>
ISWC 2025<p>🧩 Call for Dagstuhl-Style Workshops @ ISWC 2025!</p><p>Want to run an interactive, discussion-driven workshop on Semantic Web, Knowledge Graphs, or Linked Data? Submit your proposal now!</p><p>Deadline: July 1, 2025<br>🔗<a href="https://iswc2025.semanticweb.org/#/calls/dagstuhl" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">iswc2025.semanticweb.org/#/cal</span><span class="invisible">ls/dagstuhl</span></a></p><p><a href="https://mastodon.social/tags/ISWC2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ISWC2025</span></a> <a href="https://mastodon.social/tags/Workshops" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Workshops</span></a> <a href="https://mastodon.social/tags/SemanticWeb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SemanticWeb</span></a> <a href="https://mastodon.social/tags/KnowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KnowledgeGraphs</span></a> <a href="https://mastodon.social/tags/DagstuhlStyle" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DagstuhlStyle</span></a> <a href="https://mastodon.social/tags/Nara" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nara</span></a> <a href="https://mastodon.social/tags/Japan" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Japan</span></a></p><p><span class="h-card" translate="no"><a href="https://mastodon.social/@anligentile" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>anligentile</span></a></span> <span class="h-card" translate="no"><a href="https://mstdn.jp/@K_e_n_F" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>K_e_n_F</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@maribelacosta" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>maribelacosta</span></a></span> <span class="h-card" translate="no"><a href="https://sigmoid.social/@GenAsefa" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>GenAsefa</span></a></span></p>
Harald Sack<p>Back in the lecture hall again after two exciting weeks of <a href="https://sigmoid.social/tags/ESWC2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESWC2025</span></a> and <a href="https://sigmoid.social/tags/ISWS2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ISWS2025</span></a>. This morning, we introduced our students to RDF, RDFS, RDF Inferencing, and RDF Reification.</p><p><a href="https://sigmoid.social/tags/ise2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ise2025</span></a> <a href="https://sigmoid.social/tags/semanticweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semanticweb</span></a> <a href="https://sigmoid.social/tags/semweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semweb</span></a> <a href="https://sigmoid.social/tags/knowledgegraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgegraphs</span></a> <a href="https://sigmoid.social/tags/rdf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rdf</span></a> <a href="https://sigmoid.social/tags/reasoning" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>reasoning</span></a> <a href="https://sigmoid.social/tags/reification" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>reification</span></a> <a href="https://sigmoid.social/tags/lecture" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lecture</span></a> <span class="h-card" translate="no"><a href="https://wisskomm.social/@fiz_karlsruhe" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fiz_karlsruhe</span></a></span> <span class="h-card" translate="no"><a href="https://sigmoid.social/@fizise" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fizise</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@KIT_Karlsruhe" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>KIT_Karlsruhe</span></a></span> <span class="h-card" translate="no"><a href="https://fedihum.org/@sourisnumerique" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>sourisnumerique</span></a></span> <span class="h-card" translate="no"><a href="https://fedihum.org/@tabea" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>tabea</span></a></span> <span class="h-card" translate="no"><a href="https://sigmoid.social/@enorouzi" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>enorouzi</span></a></span></p>
ESWC Conferences<p>🏆 ESWC 2025 – Best Paper &amp; Reviewer Awards</p><p>We are delighted to announce the contributions that were given best paper and best reviewer awards. Congratulations to all for making ESWC 2025 a remarkable conference! </p><p>You can find the full list of awards here: <br><a href="https://2025.eswc-conferences.org/eswc-2025-best-paper-reviewer-awards/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">2025.eswc-conferences.org/eswc</span><span class="invisible">-2025-best-paper-reviewer-awards/</span></a></p><p>👏 Thank you to all authors, reviewers, mentors, and organizers for your valuable contributions. </p><p><a href="https://sigmoid.social/tags/ESWC2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESWC2025</span></a> <a href="https://sigmoid.social/tags/BestPaper" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BestPaper</span></a> <a href="https://sigmoid.social/tags/BestReviewer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BestReviewer</span></a> <a href="https://sigmoid.social/tags/SemanticWeb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SemanticWeb</span></a> <a href="https://sigmoid.social/tags/KnowledgeGraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KnowledgeGraphs</span></a> <a href="https://sigmoid.social/tags/AI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AI</span></a> <a href="https://sigmoid.social/tags/LinkedData" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LinkedData</span></a> <a href="https://sigmoid.social/tags/ResearchExcellence" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ResearchExcellence</span></a></p>
isws<p>It's a wrap! ISWS 2025 was a huge success! 60 wonderful students, 5 brilliant assistant tutors, 11 extraordinary tutors, 3 magnificent keynoters, and 2 visionary &amp; unassuming directors. We've had a great time together with all of you and hope, you've had a safe trip home!</p><p><a href="https://sigmoid.social/tags/isws2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>isws2025</span></a> <a href="https://sigmoid.social/tags/summerschool" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>summerschool</span></a> <a href="https://sigmoid.social/tags/semanticweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semanticweb</span></a> <a href="https://sigmoid.social/tags/semweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semweb</span></a> <a href="https://sigmoid.social/tags/knowledgegraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgegraphs</span></a> AI <a href="https://sigmoid.social/tags/academiclife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>academiclife</span></a> <a href="https://sigmoid.social/tags/bertinoro" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bertinoro</span></a> <a href="https://sigmoid.social/tags/PhD" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhD</span></a> <span class="h-card" translate="no"><a href="https://wisskomm.social/@fiz_karlsruhe" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fiz_karlsruhe</span></a></span> <span class="h-card" translate="no"><a href="https://nfdi.social/@NFDI4DS" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>NFDI4DS</span></a></span></p>
Daniel Mietchen<p>The slides for my <a href="https://mastodon.social/tags/lswt2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lswt2025</span></a> talk "Knowledge graphs in the context of the National Research Data Initiative (NFDI)"<br>are up at <br><a href="https://doi.org/10.5281/zenodo.15644994" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.5281/zenodo.15644994</span><span class="invisible"></span></a> .</p><p><a href="https://mastodon.social/tags/knowledgegraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgegraphs</span></a> <a href="https://mastodon.social/tags/kgi4nfdi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kgi4nfdi</span></a> <a href="https://mastodon.social/tags/openscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openscience</span></a></p>
isws<p>Good morning ISWS 2025! It's day 04 of the summer school. Today, we are working on our research tasks and will have a relaxing afternoon at the swimming pool before we will be chasing deadlines tomorrow :)</p><p><a href="https://sigmoid.social/tags/isws2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>isws2025</span></a> <a href="https://sigmoid.social/tags/summerschool" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>summerschool</span></a> <a href="https://sigmoid.social/tags/semanticweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semanticweb</span></a> <a href="https://sigmoid.social/tags/research" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>research</span></a> <a href="https://sigmoid.social/tags/bertinoro" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bertinoro</span></a> <a href="https://sigmoid.social/tags/semweb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>semweb</span></a> <a href="https://sigmoid.social/tags/knowledgegraphs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>knowledgegraphs</span></a> <a href="https://sigmoid.social/tags/llms" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>llms</span></a> <a href="https://sigmoid.social/tags/AI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AI</span></a> <a href="https://sigmoid.social/tags/academiclife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>academiclife</span></a></p>
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