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- Johannes Kepler University of LinzAT2 papers
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- Chemnitz University of TechnologyDE1 paper
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- DIPF | Leibniz Institute for Research and Information in EducationDE1 paper
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- École Polytechnique Fédérale de LausanneCH1 paper
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14 papers
SimEval-IR: A Unified Toolkit and Benchmark Suite for Evaluating User Simulators and Search Sessions
Saber Zerhoudi
User simulators are increasingly central to interactive information retrieval, yet the community lacks standardized evaluation tools. Simulators serve two objectives, behavioral re…
NuggetIndex: Governed Atomic Retrieval for Maintainable RAG
Saber Zerhoudi, Michael Granitzer, Jelena Mitrovic
Retrieval-augmented generation (RAG) systems are frequently evaluated via fact-based metrics, yet standard implementations retrieve passages or static propositions. This unit misma…
AgentSim: A Platform for Verifiable Agent-Trace Simulation
Saber Zerhoudi, Michael Granitzer, Jelena Mitrovic
Training trustworthy agentic LLMs requires data that shows the grounded reasoning process, not just the final answer. Existing datasets fall short: question-answering data is outco…
IIRSim Studio: A Dashboard for User Simulation
Saber Zerhoudi, Adam Roegiest, Michael Granitzer
User simulation is a valuable methodology for evaluation in Information Retrieval (IR), enabling low-cost experimentation and counterfactual analysis. However, existing simulation…
Approximation of Functions: Optimal Sampling and Complexity
David Krieg, Mario Ullrich
We consider approximation or recovery of functions based on a finite number of function evaluations. This is a well-studied problem in optimal recovery, machine learning, and numer…
Subgroups of Cyclically Amalgamated Free Products
Martin Kreuzer, Anja Moldenhauer, Gerhard Rosenberger
Given a group which is the free product of two finitely generated groups and with amalgamation over a cyclic subgroup which is malnormal in …