Sign in

Katja Hose

@katjahose.bsky.social
447 followers 179 following 39 posts

Professor at TU Wien (Austria); research on #dataManagement and #queryOptimization with a focus on #graphs and #knowledgeGraphs www.dbai.tuwien.ac.at/staff/khose

PostsRepliesMedia
Reposted by Katja Hose
TU Wien @tuwien.at · 11/06/2026
Daten der TU Wien – schneller & einfacher verfügbar! Der Weg zu benötigten Daten, etwa für Forschungsförderungsanträge, kann manchmal lang sein. TUInsight Reloaded, eines der großen fuTUre fit-Projekte, geleitet von Katja Hose & Harald Kleiner, schafft hier Abhilfe. www.tuwien.at/tu-wien/aktu...
tuwien.at
fuTUre fit-Projekt „TUInsight Reloaded”
Daten über die TU Wien einfach und schnell zur Verfügung zu stellen und damit den TUW-Angehörigen Zeit zu sparen, ist Ziel von „TUInsight Reloaded“. Teil 10 unserer 11-teiligen Serie zu den großen fuT...
041
Reposted by Katja Hose
Alexander Hoyle @alexanderhoyle.bsky.social · 27/05/2026
Very delighted to announce the next step in my career! After my postdoc at ETH, I will begin a joint appointment at TU Wien and the Complexity Science Hub Vienna as an Assistant Professor in NLP. I'm so grateful to all who helped me along the way And yes, I’m hiring! Details on PhD positions below
Photo of me in front of Stephansdom looking like a big dorkPhoto of main TU Wien buildingStock photo of Vienna for flavor
109712
Katja Hose @katjahose.bsky.social · 29/05/2026
Earlier this week, we had the kickoff meeting in Padua for our new Erasmus Mundus Joint Master in Data Engineering and Artificial Intelligence (#DEAI), which will officially launch this fall semester. The last deadline for this year's self-funded applications is June 30. Learn more: deai.ulb.be
041
Katja Hose @katjahose.bsky.social · 29/05/2026
Excited to see DEAI (Data Engineering and Artificial Intelligence), our new Erasmus Mundus Joint Master programme, come to life. Looking forward to welcoming students from across Europe and exploring data engineering, knowledge graphs, and AI together. More information here: deai.ulb.be
021
Katja Hose @katjahose.bsky.social · 16/05/2026
🚀 Postdoc in Data Management for AI @ TU Wien (Vienna) Research & teaching on #dataManagement foundations for #AI and modern #AIsystems. 📅 Start: ASAP | ⏳Deadline: May 21, 2026 👉 jobs.tuwien.ac.at/Job/266721?c...
030
Katja Hose @katjahose.bsky.social · 13/05/2026
Postdoc Position in Data Warehousing @ TU Wien (Vienna) Research on #dataWarehousing, #analytics & #databasePerformance bridging #dataSystems and #LLM interfaces. Deadline: May 21, 2026 Application portal: jobs.tuwien.ac.at/Job/266692 Lab: dmki-tuwien.github.io
033
Katja Hose @katjahose.bsky.social · 18/03/2026
If you’re planning a #VLDB2027 submission, a quick heads-up from @matthiasboehm7.bsky.social and me: Abstracts are now due on the 25th of the previous month. April 1 deadline → abstract due March 25 Also new: yearly cap (12/author) + reproducibility artifacts vldb.org/2027/call-fo...
043
Katja Hose @katjahose.bsky.social · 30/01/2026
I had the great pleasure to give a keynote today at #EGC2026 on Reliable Knowledge in the Age of #GenerativeAI, focusing on #KnowledgeGraphs, #DataQuality, #hallucinations, and their role in #AgenticAI systems. Thank you to Fatiha Saïs, the organizers, and the audience.
030
Reposted by Katja Hose
Data Management and Knowledge-Driven AI @dmki.bsky.social · 31/12/2025
🎬 DMKI Lab Highlights 2025 A snapshot of a year of research, collaborations, and community at the DMKI Lab (Data Management & Knowledge-Driven AI) at TU Wien. Thanks to the team, collaborators, and partners — more to come in 2026! #DMKILab #TUWien #KnowledgeGraphs #AI
072
Katja Hose @katjahose.bsky.social · 20/12/2025
🚀 Postdoc in Data Management for AI @ TU Wien (Vienna) Research & teaching on #dataManagement foundations for #AI and modern #AIsystems. 📅 Start: ASAP | ⏳ Deadline: Jan 8, 2026 Duration: 3 years 👉 jobs.tuwien.ac.at/Job/261722?c... Lab: dmki-tuwien.github.io
023
Katja Hose @katjahose.bsky.social · 20/12/2025
Postdoc in Data Warehousing @TU Wien Research on #dataWarehousing, #analytics & #databasePerformance at the intersection of data systems and AI, incl. collaboration on an LLM data warehouse interface 📅 Start: Feb 2026 | ⏳ Deadline: Jan 15, 2026 👉 jobs.tuwien.ac.at/Job/261528 Lab @dmki.bsky.social
032
Reposted by Katja Hose
Data Management and Knowledge-Driven AI @dmki.bsky.social · 02/12/2025
Prof. Katja Hose gave a talk today at the AI Festival 2025 at TU Wien (@tuwien.at). She presented the ongoing research of our team in AI, Agentic AI and Knowledge Graphs. #AI #AgenticAI #KnowledgeGraphs /cc @katjahose.bsky.social
041
Katja Hose @katjahose.bsky.social · 29/10/2025
2 #Postdoc positions at TU Wien (Vienna, Austria) 1️⃣ Data Warehousing & System Performance jobs.tuwien.ac.at/Job/259680 2️⃣ Natural Language Interfaces, LLMs, Exploratory Data Access jobs.tuwien.ac.at/Job/259683 Appl. deadline: Nov 13, 2025 Details: dmki-tuwien.github.io/jobs.html @dmki.bsky.social
jobs.tuwien.ac.at
University Assistant Prae-Doc (all genders)
052
Katja Hose @katjahose.bsky.social · 22/10/2025
🎓 PhD Position @ TU Wien (Vienna, Austria) — start Jan 2026 Join us to do research on knowledge graph embeddings. Application deadline: November 6, 2025 🔗 Apply here: jobs.tuwien.ac.at/Job/259110 ℹ️ More details: dmki-tuwien.github.io/jobs.html #PhD #AI #KnowledgeGraphs #MachineLearning #Vienna
jobs.tuwien.ac.at
University Assistant Prae-Doc (all genders)
033
Reposted by Katja Hose
Data Management and Knowledge-Driven AI @dmki.bsky.social · 16/10/2025
Maxime Jakubowski presenting our work on "RDFGraphGen: An #RDF Graph Generator based on #SHACL Shapes" at #IJCKG25. Authors: Milos Jovanovik, Marija Vecovska, Maxime Jakubowski, Katja Hose github: github.com/etnc/RDFGrap... @mjovanovik.com @maximejakubowski.bsky.social @katjahose.bsky.social
052
Katja Hose @katjahose.bsky.social · 15/10/2025
I gave a keynote at #IJCKG25 this morning: Sharp Edges in a Fuzzy World — Knowledge Graphs and LLMs How can we combine the fuzzy nature of LLMs with the structured precision of knowledge graphs to build AI that we can rely on? Followed by a wonderful discussion - thank you to everyone who joined!
172
Reposted by Katja Hose
SEMANTiCS Conference @semantics-conf.bsky.social · 05/09/2025
🕵️‍♂️ RDF detectives on the case! Maxime Jakubowski, Dominik Tomaszuk & Katja Hose are bridging the gaps in RDF validation at #SEMANTiCS2025. Don’t let data inconsistencies slip through! #SemanticWeb #RDF #DataQuality #KnowledgeGraphs
011
Reposted by Katja Hose
Data Management and Knowledge-Driven AI @dmki.bsky.social · 08/09/2025
Maxime Jakubowski presented the paper "Bridging Gaps in RDF Validation – Insights and Innovation Opportunities in RDF Validation Practices" at SEMANTiCS 2025 (@semantics-conf.bsky.social) in Vienna, Austria. Authors: M. Jakubowski, D. Tomaszuk, K. Hose Paper: ebooks.iospress.nl/doi/10.3233/...
041
Reposted by Katja Hose
PVLDB @pvldb.bsky.social · 04/09/2025
Vol:18 No:12 → Smart SPARQL Advisor: Guiding Users in Query Formulation with Performance Prediction 👥 Authors: Abiram Mohanaraj, Matteo Lissandrini, Katja Hose 📄 PDF: www.vldb.org/pvldb/vol18/p5295-moha…
Thumbnail: Smart SPARQL Advisor: Guiding Users in Query Formulation with Performance Prediction
032
Katja Hose @katjahose.bsky.social · 02/09/2025
Honored to have received a Distinguished Associate Editor Award at @vldb.bsky.social 2025! It was a pleasure to contribute to the review process, and I'm truly grateful for the recognition. Congratulations to all awardees! #VLDB2025
081
Katja Hose @katjahose.bsky.social · 28/08/2025
🎓 Congrats to Tobias Zeimetz on a successful PhD defense and his work on "Hybrid and Quality Aware Federations of Linked Data Fragment Interfaces and Traditional RESTful Web APIs". It was a pleasure serving on the committee with his supervisor Ralf Schenkel. We even made it onto the Doktorhut!
040
Reposted by Katja Hose
PVLDB @pvldb.bsky.social · 01/08/2025
Vol:18 No:8 → The Limits of Graph Samplers for Training Inductive Recommender Systems 👥 Authors: Theis Jendal, Matteo Lissandrini, Peter Dolog, Katja Hose 📄 PDF: www.vldb.org/pvldb/vol18/p2496-jend…
Thumbnail: The Limits of Graph Samplers for Training Inductive Recommender Systems
042
Katja Hose @katjahose.bsky.social · 08/07/2025
Today, I had the great pleasure of giving an introductory lecture on knowledge graphs at the #BILAI Summer School 2025 in Klagenfurt. Great energy and engagement! #knowledgeGraphs #RDF #SHACL #SPARQL #LLM www.bilateral-ai.net/doctoral-sch...
062
Reposted by Katja Hose
PVLDB @pvldb.bsky.social · 30/06/2025
Vol:18 No:6 → PlanRGCN: Predicting SPARQL Query Performance 👥 Authors: Abiram Mohanaraj, Matteo Lissandrini, Katja Hose 📄 PDF: www.vldb.org/pvldb/vol18/p1621-moha…
Thumbnail: PlanRGCN: Predicting SPARQL Query Performance
063
Katja Hose @katjahose.bsky.social · 23/06/2025
Looking forward to discussing our work on graph transformation at #SIGMOD2025 📍 Poster Session 2 🗓️ Wednesday, June 25 | 16:00–17:30 Lossless Transformation of Knowledge Graphs to Property Graphs using Standardized Schemas Kashif Rabbani, @kuzeko.bsky.social, Angela Bonifati, @katjahose.bsky.social
011
Katja Hose @katjahose.bsky.social · 15/06/2025
📢 We're hiring a #PhD student at @tuwien.at for a project on Knowledge-Graph driven Factuality and Explainability in LLMs for conversational data analytics. 🌍 Funded by #MSCA #ARMADA_DN 📅 Apply by June 30, 2025 🔗 lnkd.in/dX2ZWtj8 #LLM #KnowledgeGraphs #Factuality #DataAnalytics
084
Katja Hose @katjahose.bsky.social · 07/06/2025
Honored to receive the IFIP TC2 Manfred Paul Award (2024) with Kashif Rabbani and @kuzeko.bsky.social for our VLDB 2022 paper on generating #SHACL shapes from large knowledge graphs. Scales to billions of triples, mining meaningful patterns using support and confidence. www.vldb.org/pvldb/vol16/...
0111
Reposted by Katja Hose
Mattia Rigotti @matrig.net · 22/05/2025
📣 Join us at IBM Research for a PhD position on Reliable Multimodal LLMs, combining language, vision & advanced reasoning! Located in Zurich🇨🇭 & co-supervised by @katjahose.bsky.social at TU Vienna🇦🇹 as part of the cool new MSCA ARMADA Doctoral Network Apply at www.zurich.ibm.com/careers/2025... 🧪
Banner of the ARMADA website:
"ARMADA
Reliable Conversational Domain-specific
Data Exploration and Analysis"
164
Katja Hose @katjahose.bsky.social · 11/05/2025
Sure, I'm happy to prepare a submission for the journal "Orthopedics and Tissue Engineering". ??? Sometimes I really wonder how my contact details could possibly have ended up in such mailing lists...
010
Reposted by Katja Hose
SIGMOD/PODS Conference @sigmodconf.bsky.social · 19/04/2025
⚠️ ⚠️ ⚠️ ⚠️ ⚠️ Dear SIGMOD community and attendees please be aware that there are an increasing number of scam and phishing emails that pretend to contact you on behalf of the SIGMOD organization. Companies, such as Global Travel Experts or Travel Housing are not affiliated with SIGMOD.
031
Reposted by Katja Hose
Milos Jovanovik @mjovanovik.com · 07/04/2025
Status update on the TARGET Data Platform, developed by our team at TU Wien (@tuwien.at). Prof. Katja Hose (@katjahose.bsky.social) presenting the details and numbers we have so far, as part of the TARGET project (@target-horizoneu.bsky.social). #TARGETProject #HealthTech #DigitalHealth
051
Katja Hose @katjahose.bsky.social · 28/03/2025
Feeling honored to have received an #EDBT2025 distinguished meta-reviewer award.
090
Katja Hose @katjahose.bsky.social · 27/03/2025
Happy to share that my colleague Camillo Merkel, together with Kyle Deeds, has just received the #ICDT25 Best Paper Award as well as the #ICDT25 Best Student Paper Award, for their paper "Worst-Case Optimal Joins Meet Partition Constraints". Congratulations!
040
Katja Hose @katjahose.bsky.social · 26/03/2025
D. Mottin & M. Lissandrini presenting "Towards Reliable Conversational Data Analytics"at #EDBT2025 Authors: S. Amer-Yahia, J. Bogojeska, R. Facchinetti, V. Franceschi, A. Gionis, K. Hose, G. Koutrika, R. Kouyos, M.Lissandrini, S. Maniu, K. Mirylenka, D. Mottin, T. Palpanas, M. Rigotti, Y. Velegrakis
050
Katja Hose @katjahose.bsky.social · 26/03/2025
Proudly watching Martin Pekar presenting "Fantastic Tables and Where to Find Them: Table Search in Semantic Data Lakes" at #EDBT2025, authors: Martin Pekar Christensen, Aristotelis Leventidis, @kuzeko.bsky.social, Laura Di Rocco, Renée J. Miller, Katja Hose openproceedings.org/2025/conf/ed...
081
Katja Hose @katjahose.bsky.social · 26/03/2025
#EDBT2025 has just officially started with the opening ceremony and a warm welcome by the general chairs, Oscar Romero and Anna Queralt, and the program chairs, Bettina Kemme and Alkis Simitsis. Looking forward to enjoying the program during the next couple of days. @edbticdt.bsky.social
030
Katja Hose @katjahose.bsky.social · 21/03/2025
I am looking for a PhD student in graph data management and analysis. Application deadline: April 3, 2025 More details: jobs.tuwien.ac.at/Job/244015 #hiring #PhDposition #knowledgegraphs #graphData
jobs.tuwien.ac.at
University Assistant (Prae-Doc)
074
Reposted by Katja Hose
Olaf Hartig @olafhartig.bsky.social · 12/03/2025
In a recent #Dagstuhl seminar we developed a research roadmap towards Computer-Using Personal Agents (CUPAs), automating complex tasks like today's Computer-Using Agents, but including context via controlled access to personal knowledge graphs. Our vision paper: openaccess.city.ac.uk/id/eprint/34...
openaccess.city.ac.uk
City Research Online - Towards Computer-Using Personal Agents
1105
Reposted by Katja Hose
arxiv cs.CL @arxiv-cs-cl.bsky.social · 22/11/2024
Ernests Lavrinovics, Russa Biswas, Johannes Bjerva, Katja Hose Knowledge Graphs, Large Language Models, and Hallucinations: An NLP Perspective arxiv.org/abs/2411.14258
021
Reposted by Katja Hose
Jason Koebler @jasonkoebler.bsky.social · 14/02/2025
Scoop: The databases powering DOGE.gov are insecure, and people outside the government have already pushed their own updates to the site to prove it: www.404media.co/anyone-can-p...
404media.co
Anyone Can Push Updates to the DOGE.gov Website
"THESE 'EXPERTS' LEFT THEIR DATABASE OPEN."
400143575874
Reposted by Katja Hose
George Takei @georgetakei.bsky.social · 13/02/2025
A petition in Denmark has already garnered over 200,000 signatures seeking the "Denmarkification" of California by purchasing it from the United States in response to President Trump's push to buy Greenland.
3794962533
Katja Hose @katjahose.bsky.social · 11/02/2025
Thank you Milos, Maxime, and Dominik for joining and making this is a nice group excursion. @mjovanovik.com @maximejakubowski.bsky.social
040
Katja Hose @katjahose.bsky.social · 11/02/2025
The first plenary meeting of the #GOBLINcost action in Prague is coming to an end. Thanks a lot for a wonderful 2 days & giving me the opportunity to give a keynote on "Introduction to Knowledge Graphs". I'm looking foward to our upcoming work together. #KnowledgeGraphs #RDF #LLMs #AI
150
Reposted by Katja Hose
Milos Jovanovik @mjovanovik.com · 10/02/2025
Katja Hose from TU Wien with her “Introduction to Knowledge Graphs” presentation at the GOBLIN COST action plenary meeting in Prague. /cc @katjahose.bsky.social #KnowledgeGraphs #RDF #GOBLINcost #TUWien
081
Reposted by Katja Hose
Milos Jovanovik @mjovanovik.com · 09/02/2025
My poster for tomorrow’s GOBLIN COST Action meeting in Prague. I’ll have a chance to share our progress on developing our Synthetic EHR Knowledge Graphs generator, which outputs Turtle + FHIR entities in a size of your choice. #GOBLINcost #KnowledgeGraphs #RDF #FHIR #EHR #SyntheticData
081
Katja Hose @katjahose.bsky.social · 31/01/2025
Thank you all for a great week in #Dagstuhl, here's the traditional photo 😉 www.dagstuhl.de/25051
093
Katja Hose @katjahose.bsky.social · 26/01/2025
On the way to #dagstuhl. Looking forward to a great week discussing "Trust and Accountability in Knowledge Graph-Based AI for Self Determination". Thank you, John Domingue, Luis-Daniel Ibáñez, Sabrina Kirrane, Maria-Esther Vidal for organizing the seminar!
160
Reposted by Katja Hose
Maxime Jakubowski @maximejakubowski.bsky.social · 10/01/2025
We are still interested in your thoughts on #RDF validation technologies! Please share your experiences in our survey: forms.gle/LdXsG644obcg... If you are working with shape languages like #SHACL or #ShEx, your insights will help us advance the future of validation technologies.
forms.gle
RDF Shape Languages Survey
How long does this survey take to fill in? Approximately 8 minutes. Please note that half of the questions are skippable. What is the purpose of the study? The purpose of the study is to gather empiri...
053
Katja Hose @katjahose.bsky.social · 18/12/2024
We are conducting a #survey to better understand the challenges, experiences, and practical applications of validating #RDF data using #SHACL and #ShEx. Please help us get a better overview by sharing your insights: forms.gle/LdXsG644obcg... It only takes around 8 minutes.
forms.gle
RDF Shape Languages Survey
How long does this survey take to fill in? Approximately 8 minutes. Please note that half of the questions are skippable. What is the purpose of the study? The purpose of the study is to gather empiri...
091
Reposted by Katja Hose
Stefania Dumbrava @sdumbrava.bsky.social · 09/12/2024
EDBT/ICDT now also has a BlueSky account: @edbticdt.bsky.social Preparations are well underway for the 2026 edition is Tampere, Finland 🇫🇮
0124