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Alexander M. Fichtl

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#natural language process... Preprint Sep 2026

A systematic Approach to constructing a Chance-and-Risk Matrix for Semiconductor Supply Chains

Semiconductor supply chains face escalating risks from geopolitical tensions, geographic concentration, and rapid technological shifts, yet no scalable system continuously extracts, structures, and prioritizes risk intelligence from public corporate disclosures. We present an end-to-end pipeline that retrieves corporat...

Ema Salkić, Alexander M. Fichtl, Philipp Ulrich et al. · 0 citations
Open access Aug 2026

MTDiag: A Multi-Turn Diagnostic Dataset Towards Clinically Meaningful LLM Evaluation

This work presents MTDiag, a large multi-turn diagnostic dialogue dataset constructed from three heterogeneous sources: DDXPlus, MIMIC-IV, and published case reports, and introduces and motivate clinical knowledge-grounded metrics for evaluating LLMs as diagnostic agents, beyond diagnostic accuracy, for the task of mul...

Pia Chouayfati, Alexander M. Fichtl, Miriam Anschütz et al. · 1 citation

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