Data quality in recommender systems: the impact of completeness of item content data on prediction accuracy of recommender systems. - Bernd Heinrich; Marcus Hopf; Daniel Lohninger; Alexander Schiller; Michael Szubartowicz (Electron. Mark., 2021)

Something's Missing? A Procedure for Extending Item Content Data Sets in the Context of Recommender Systems. - Bernd Heinrich; Marcus Hopf; Daniel Lohninger; Alexander Schiller; Michael Szubartowicz (Inf. Syst. Frontiers, 2022)

Concepts and Methods for Decision Support - Contributions to Item and Service Recommendations for Users in Web and Mobile Environments. - Daniel Lohninger (2024)

Service Re-Selection for Disruptive Events in Mobile Environments: A Heuristic Technique for Decision Support at Runtime. - Michael Bortlik; Bernd Heinrich; Daniel Lohninger (Inf. Syst. Frontiers, 2024)