Jan Zobel

Jan Zobel is an Australian computer scientist, best known for his contributions to the field of information retrieval. He is a professor in the School of Computing and Information Systems at the University of Melbourne.

Zobel's research focuses primarily on the efficiency and effectiveness of search engines, particularly indexing techniques, compression methods, and the evaluation of retrieval performance. He has made significant contributions to the development of signature files, inverted indexes, and succinct data structures for indexing large text collections. His work is highly cited and has influenced the design and implementation of many practical search systems.

Zobel is the author of the book "Compressing Text and Images: Towards an Arithmetic Coding Standard," which provides a comprehensive overview of data compression techniques. He has also published numerous research papers in leading computer science journals and conferences.

His contributions have been recognized through various awards and fellowships. He is a Fellow of the Australian Academy of Science.