The director of the L3S, Prof. Dr. Wolfang Nejdl, was honoured with the Most Influential Scholar Award Honorable Mention for his outstanding contributions in the field of Information Retrieval and Recommendation between 2009 and 2019. The AI2000 Most Influential Scholar Annual List lists 2,000 of the world's most cited researchers in the field of artificial intelligence for the next ten years (2020-2029). The winners of the year 2020 are among the most cited scientists from the most renowned institutions in their respective fields between 2009 and 2019. The basis for inclusion in the list is academic data from Tsinghua AMiner (https://aminer.org).
In the ranking of the 1000 best scientists in the field of computer science and electronics published by the Guide2Research team for the year 2020, Prof. Nejdl ranks 737 worldwide and 26th in Germany. The ranking is based on the H-index metric provided by Google Scholar and includes only leading scientists with an H-index of at least 40 and a significant number of research papers indexed on DBLP.