collaborators

6 papers

cs.DB2026

MaDI-Bench: An End-to-End Data Integration Benchmark

Aaron Steiner, Ralph Peeters, Christian Bizer

Data integration combines heterogeneous data sets into a single, coherent representation. Data integration involves a sequence of interdependent tasks including schema matching, va…

cs.CL2026

Labeling Training Data for Entity Matching Using Large Language Models

Aaron Steiner, Christian Bizer

Recent large language models (LLMs) achieve strong performance on entity matching without requiring task-specific training data. However, applying these models to large sets of can…

cs.CL2026

WebMall -- A Multi-Shop Benchmark for Evaluating Web Agents

Ralph Peeters, Aaron Steiner, Luca Schwarz +2

LLM-based web agents have the potential to automate long-running web tasks, such as searching for products in multiple e-shops and subsequently ordering the cheapest products that…

cs.CL2026

Automatic End-to-End Data Integration using Large Language Models

Aaron Steiner, Christian Bizer

Designing data integration pipelines typically requires substantial manual effort from data engineers to configure pipeline components and label training data. While LLMs have show…

cs.CL2025

MCP vs RAG vs NLWeb vs HTML: A Comparison of the Effectiveness and Efficiency of Different Agent Interfaces to the Web (Technical Report)

Aaron Steiner, Ralph Peeters, Christian Bizer

Large language model agents are increasingly used to automate web tasks such as product search, offer comparison, and checkout. Current research explores different interfaces throu…

cs.CL2025

Fine-tuning Large Language Models for Entity Matching

Aaron Steiner, Ralph Peeters, Christian Bizer

Generative large language models (LLMs) are a promising alternative to pre-trained language models for entity matching due to their high zero-shot performance and ability to genera…