activity
20242026
collaborators

5 papers

cs.LG2026

Barriers to Universal Reasoning With Transformers (And How to Overcome Them)

Oliver Kraus, Yash Sarrof, Yuekun Yao +2

Chain-of-Thought (CoT) has been shown to empirically improve Transformers' performance, and theoretically increase their expressivity to Turing completeness. However, whether Trans…

cs.CL2025

Evaluating Large Language Models for Cross-Lingual Retrieval

Longfei Zuo, Pingjun Hong, Oliver Kraus +2

Multi-stage information retrieval (IR) has become a widely-adopted paradigm in search. While Large Language Models (LLMs) have been extensively evaluated as second-stage reranking…

cs.CL2025

References Matter: Investigating the Impact of Reference Set Variation on Summarization Evaluation

Silvia Casola, Yang Janet Liu, Siyao Peng +3

Human language production exhibits remarkable richness and variation, reflecting diverse communication styles and intents. However, this variation is often overlooked in summarizat…

cs.CL2025

Cross-Dialect Information Retrieval: Information Access in Low-Resource and High-Variance Languages

Robert Litschko, Oliver Kraus, Verena Blaschke +1

A large amount of local and culture-specific knowledge (e.g., people, traditions, food) can only be found in documents written in dialects. While there has been extensive research…

cs.CL2024

Sign Language Sense Disambiguation

Jana Grimm, Miriam Winkler, Oliver Kraus +1

This project explores methods to enhance sign language translation of German sign language, specifically focusing on disambiguation of homonyms. Sign language is ambiguous and unde…