A Novel Hybrid Knowledge Retrieval Approach for Online Customer Service Platforms. - Patrick Bedué; Roland Graef; Mathias Klier; Jan-Felix Zolitschka (ECIS, 2018)

A Novel Hybrid Optical Character Recognition Approach for Digitizing Text in Forms. - Roland Graef; Mazen M. N. Morsy (DESRIST, 2019)

Leveraging Text Classification by Co-training with Bidirectional Language Models - A Novel Hybrid Approach and its Application for a German Bank. - Roland Graef (Wirtschaftsinformatik, 2021)

Human-machine collaboration in online customer service - a long-term feedback-based approach. - Roland Graef; Mathias Klier; Kilian Kluge; Jan-Felix Zolitschka (Electron. Mark., 2021)

Artificial intelligence approaches for supporting organizations coping with the challenges of unstructured data: contributions to research related to text data, voice & image data and text in image data / by Roland Graef. - Roland Graef (2021)

What to buy, Pepper? - Bridging the Physical and the Digital World with Recommendations from Humanoid Robots. - Roland Graef; Mathias Klier; Andreas Alexander Obermeier; Jan-Felix Zolitschka (J. Decis. Syst., 2023)