1. Makoto P. Kato is a professor at the University of Tsukuba who researches music information retrieval and cross-domain information retrieval. 2. His lab website provides information on his background, publications, and research projects which use techniques like domain adaptation and relative aggregation points for cross-domain retrieval tasks. 3. Some of his recent work includes developing a method for searching for unknown music by mixing known music clips together, as well as applying domain adaptation methods to transfer knowledge across domains like GDP statistics and product reviews.