activity
20172026
most citedEfficient Information Flow Maximization in Probabilistic Graphs

10 citations · 18 across the 13 of their papers we have counts for

collaborators

14 papers

cs.AI2026

Muffin - A Shared Memory Buffer for Asynchronous AI Agents

Ping-Lin Kuo, Suman Navaratnarajah, Christian Frey +2

The rise of Agentic AI systems has changed the landscape of artificial intelligence by enabling strong reasoning capabilities through specialized multi-agent interaction with struc…

cs.CL2026

ValueGround: Evaluating Culture-Conditioned Visual Value Grounding in MLLMs

Zhipin Wang, Christoph Leiter, Christian Frey +3

Cultural values are expressed not only through language but also through visual scenes and everyday social practices. Yet existing evaluations of cultural values in language models…

cs.LG2026

Learning to Order: Task Sequencing as In-Context Optimization

Jan Kobiolka, Christian Frey, Arlind Kadra +2

Task sequencing (TS) is one of the core open problems in Deep Learning, arising in a plethora of real-world domains, from robotic assembly lines to autonomous driving. Unfortunatel…

cs.LG2026

POP: Prior-Fitted First-Order Optimization Policies

Jan Kobiolka, Christian Frey, Gresa Shala +3

Gradient-based optimizers are highly sensitive to design choices in their adaptive learning rate mechanisms. To address this limitation, we introduce POP, a meta-learned Reinforcem…

cs.LG2026

End-to-End Compression for Tabular Foundation Models

Guri Zabërgja, Rafiq Kamel, Arlind Kadra +2

The long-standing dominance of gradient-boosted decision trees for tabular data has recently been challenged by in-context learning tabular foundation models. In-context learning m…

cs.LG2025

Towards Reproducibility in Predictive Process Mining: SPICE -- A Deep Learning Library

Oliver Stritzel, Nick Hühnerbein, Simon Rauch +5

In recent years, Predictive Process Mining (PPM) techniques based on artificial neural networks have evolved as a method for monitoring the future behavior of unfolding business pr…

cs.CL2025

Zhyper: Factorized Hypernetworks for Conditioned LLM Fine-Tuning

M. H. I. Abdalla, Zhipin Wang, Christian Frey +2

Large Language Model (LLM) conditioning refers to instructing an LLM to generate content in accordance with the norms and values of a specific culture, beliefs of a particular poli…

cs.LG2025★ 1 cited

SHAining on Process Mining: Explaining Event Log Characteristics Impact on Algorithms

Andrea Maldonado, Christian M. M. Frey, Sai Anirudh Aryasomayajula +3

Process mining aims to extract and analyze insights from event logs, yet algorithm metric results vary widely depending on structural event log characteristics. Existing work often…

cs.LG2024★ 2 cited

Tabular Data: Is Deep Learning all you need?

Guri Zabërgja, Arlind Kadra, Christian M. M. Frey +1

Tabular data represent one of the most prevalent data formats in applied machine learning, largely because they accommodate a broad spectrum of real-world problems. Existing litera…

cs.LG2023★ 5 cited

DiffusAL: Coupling Active Learning with Graph Diffusion for Label-Efficient Node Classification

Sandra Gilhuber, Julian Busch, Daniel Rotthues +2

Node classification is one of the core tasks on attributed graphs, but successful graph learning solutions require sufficiently labeled data. To keep annotation costs low, active g…

cs.AI2022

V-Coder: Adaptive AutoEncoder for Semantic Disclosure in Knowledge Graphs

Christian M. M. Frey, Matthias Schubert

Semantic Web or Knowledge Graphs (KG) emerged to one of the most important information source for intelligent systems requiring access to structured knowledge. One of the major cha…

cs.LG2021

SEA: Graph Shell Attention in Graph Neural Networks

Christian M. M. Frey, Yunpu Ma, Matthias Schubert

A common issue in Graph Neural Networks (GNNs) is known as over-smoothing. By increasing the number of iterations within the message-passing of GNNs, the nodes' representations of…

cs.AI2021

APPTeK: Agent-Based Predicate Prediction in Temporal Knowledge Graphs

Christian M. M. Frey, Yunpu Ma, Matthias Schubert

In temporal Knowledge Graphs (tKGs), the temporal dimension is attached to facts in a knowledge base resulting in quadruples between entities such as (Nintendo, released, Super Mar…

cs.DS2017★ 10 cited

Efficient Information Flow Maximization in Probabilistic Graphs

Christian Frey, Andreas Züfle, Tobias Emrich +1

Reliable propagation of information through large networks, e.g., communication networks, social networks or sensor networks is very important in many applications concerning marke…