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Daniel Hernández @daniel.mstdn.degu.cl.ap.brid.gy · 19/04/2026

Yesterday, I celebrated the 25th anniversary of Wikipedia with the Wikipedia Bus at the Stadtbibliothek Stuttgart. With the Cluster of Excellence SimTech of the University of Stuttgart (@Uni_Stuttgart), we prepared some activities to explain how knowledge is […] [Original post on mstdn.degu.cl]

An interactive stand at the Wikipedia Bus event in the Stadtbibliothek Stuttgart. A table with a laptop and a large screen displaying a Wikidata quiz application. Behind the table, two research posters titled "Research Knowledge Meets Wikidata" and "Wie hängt Wissen zusammen?" ("How is knowledge connected?"), alongside a SimTech banner.

Three people are standing in front of the research posters and the SimTech banner at the Wikipedia Bus event, smiling at the camera. They are wearing event badges on lanyards. From left to right: Tabea, Daniel, and Patrick.

Three people are standing in front of the research posters at the Wikipedia Bus event. From left to right: Daniel, Patrick, and Denny.

Group photo of six people standing in front of the research posters and SimTech banner at the Wikipedia Bus event in the Stadtbibliothek Stuttgart. All are wearing event badges. From left to right: Blazej, Daniel, Denny, an attendee who joined us, Tabea, and Jenny Kopsch-Xhema (CEO of Cluster of Excellence and SC SimTech).

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Daniel Hernández @daniel.mstdn.degu.cl.ap.brid.gy · 15/04/2026

Our poster paper, "On the Meaning of the Web as an Object of Study" is now on @arxiv_cs and I will present it at #WebSci2026 in Braunschweig! We argue that the Web has evolved from a focused research object into a universal digital environment, and its very success has fragmented its academic […]

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 25/03/2026

We are hiring! The Institute for Artificial Intelligence at the University of Stuttgart (@Uni_Stuttgart) is looking for a PostDoc to work on Foundation Models for Knowledge Graphs. The position focuses on automating the management of data and knowledge by combining machine learning, logics, and […]

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Daniel Hernández @daniel.mstdn.degu.cl.ap.brid.gy · 26/10/2025

How to represent scenes that change on the time to perform tasks on them? Tomorrow, Oct 26, @osamamohammed will present a paper by Osama Mohammed, Jiaxin Pan, Mojtaba Nayyeri, me, and Steffen Staab at the European Conference on Artificial Intelligence […] [Original post on mstdn.degu.cl]

A figure showing a graph where nodes are edges use different colors. Yellow, green, and blue nodes represent dynamic elements of the scene, whereas black nodes represent static elements. Red dashed arrows represent edges between different snapshots. Below the figure, there are labels explaining the use of colors for the respective snapshots.

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Yuqicheng Zhu @yuqichengzhu.bsky.social · 11/09/2025

🌊 Had an amazing time at NeSy 2025 @nesyconf.org in Santa Cruz! Very well-organized conference, great talks, inspiring discussion and of course enjoying the beautiful beach and Bay Area vibes. 🏖️✨ #NeSy2025 #neurosymbolicAI #SantaCruz

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 09/08/2025

Advances in temporal graph reasoning to be presented at #ECAI Researchers from the AI Institute at the University of Stuttgart will present a paper tackling key challenges in temporal graph learning. The work, titled “Full-History Graphs with Edge-Type Decoupled Networks for Temporal Reasoning […]

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 07/08/2025

🎉 Researchers from our AI institute at the University of Stuttgart @Uni_Stuttgart will present two papers tackling real-world challenges with AI: - "Making the Web More Inclusive: Enter AccessGuru" (#ASSETS2025). - "MultiADS: Defect-aware Supervision for Multi-type Anomaly Detection and […]

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Daniel Hernández @daniel.mstdn.degu.cl.ap.brid.gy · 02/08/2025

Yuqicheng Zhu (@yuqichengzhu.bsky.social) presented our paper, Predicate-Conditional Conformalized Answer Sets for Knowledge Graph Embeddings, at #ACL2025. This paper studies a key question for the reliability of applications using knowledge graph embeddings […] [Original post on mstdn.degu.cl]

Yuqicheng is standing in front of his poster. The poster is on a panel with the number 299.

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 19/07/2025

Is complex query answering really complex? A paper at the International Conference on Machine Learning (#ICML2025) presented by Cosimo Gregucci, PhD student at @UniStuttgartAI @Uni_Stuttgart, discussed this question. In this paper, Cosimo Gregucci, Bo […] [Original post on xn--baw-joa.social]

Cosimo is presenting a poster to five attendants. The attendants are looking at the poster behind Cosimo. Cosimo is wearing a white shirt and glasses. The room is spacious, and other posters and people can be seen walking around.

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Daniel Hernández @daniel.mstdn.degu.cl.ap.brid.gy · 15/07/2025

Is Complex Query Answering Really Complex? We evaluate models that predict answers to queries over knowledge graphs on a reduced set of standardized benchmarks. This Wednesday at 16:30, Cosimo Gregucci will discuss this question and our paper at the poster […] [Original post on mstdn.degu.cl]

Picture of the poster extended over a table under the light of the sun crossing the window. The poster describes several graphs representing queries and their answers.

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Daniel Hernández @daniel.mstdn.degu.cl.ap.brid.gy · 11/05/2025

Cosimo Gregucci (PhD student at @UniStuttgartAI @Uni_Stuttgart) will present our paper "Is Complex Query Answering Really Complex?" at the International Conference on Machine Learning, #ICML2025. We observed that we can answer many of the current benchmarks for […] [Original post on mstdn.degu.cl]

A screenshot of the paper showing the structures of queries, depending on the links that were seen in training and the links that are missing. Queries are depicted with directed graphs, where missing links are represented with dotted lines and seen links are represented with regular lines.

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UniStuttgartAI @unistuttgartai.bsky.social · 24/04/2025

Several papers from our institute (AC group) have been accepted at top conferences! 🎉 Our colleagues are attending—feel free to reach out if you’d like to connect! #ICLR2025 #WWW2025 #NAACL2025 #AI #NLP #ML

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Daniel Hernández @daniel.mstdn.degu.cl.ap.brid.gy · 01/05/2025

Yesterday @royaheeee and I presented our paper, DAGE: DAG Query Answering via Relational Combinator with Logical Constraints, at the Web Conference #WWW2025. Existing query answering methods over knowledge graph embedding were limited to decomposable queries […] [Original post on mstdn.degu.cl]

Yunjie he is presenting a poster to a woman.

Yunjie He is presented a poster to a man.

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 14/03/2025

How easy is to persuade a large language model? The Interchange Forum for Reflecting on Intelligent Systems (IRIS @Stuttgart_IRIS @Uni_Stuttgart) invites all interested students and university staff to their next IRIS colloquium on March 26 at 2 PM in […] [Original post on xn--baw-joa.social]

Poster for the IRIS colloquium. It mentions the title, the speaker, and the place. It has a drawing of a circle semi full of water. The water has waves and the word colloquium is written over the water and reflected in the water.

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 22/02/2025

Controlling a computer with your head or foot: Semanux, a spin-off from the Analytic Computing department of the Artificial Intelligence Institute of the University of Stuttgart (@Uni_Stuttgart), has taken a major step forward by becoming part of the Alfa […] [Original post on xn--baw-joa.social]

Five persons in an office are looking at the camera. Two persons shake hands in agreement, and showing a folder including the agreement document.

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 10/02/2025

The benefits of machine-learned models only apply if the training and the test data come from the same distributions. In many application scenarios, distribution shifts outdate the learned models—often surprisingly quickly. Model monitoring is required […] [Original post on xn--baw-joa.social]

This figure shows the matrix with the strength analysis of features driving the change in the model, on the y-axis are the features, and
on the x-axis are the different states. The matrix cells with higher values are filled with lighter colors.

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 06/02/2025

I know what you did on my user interface! No, we have not invented a new method to spy on you. Rather, we suggest a novel paradigm that helps usability experts understand in which situations users interacting with a rich Website progress smoothly and in […] [Original post on xn--baw-joa.social]

Graph that shows the relations between the phases in usability analysis and the sections of this article.

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 04/02/2025

Machine learning turns volunteers’ lower-quality open street map data into quality indicators for official, authoritative data. Novel method and case studies accepted for publication in ACM Transactions on Spatial Algorithms and Systems. Fighting fires […] [Original post on xn--baw-joa.social]

A low quality OpenStreetMap detail of a mapa. The image includes streets and buildings.

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 29/01/2025

A knowledge graph is a set of relationships between entities. For example, the relationship "Alice is diagnosed with common cold" relates the entities "Alice" and "common cold" stating a diagnosis. The link prediction task consists of predicting a missing […] [Original post on xn--baw-joa.social]

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 26/01/2025

The Institute for Artificial Intelligence of the University of Stuttgart (@ELLISforEurope) congratulates its member, Luiz Chamon, on being elected as a Scholar of the European Laboratory for Learning and Intelligent Systems (ELLIS) (@ELLISforEurope). Luiz […] [Original post on xn--baw-joa.social]

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Institute for AI @unistuttgartai.xn--baw-joa.social.ap.brid.gy · 26/01/2025

Institute researchers propose a new query embedding method to extend the expressiveness of existing query embeddings. The paper will be presented at the Web Conference 2025, in Sidney, Australia, from April 28 to May 2. Query embedding methods are used to predict the answers to queries by […]

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