Haowen Yan 
Description Approaches and Automated Generalization Algorithms for Groups of Map Objects [PDF ebook] 

Introduction.- Description and generalization of point clustering features.- Description and generalization of contour lines.- Description and generalization of road networks.- Description and generalization of river networks.- Description and generalization of continuous areal features.- Algorithms for discrete areal feature generalization.- Concluding words.

Professor Haowen Yan holds two Ph D degrees and is a Distinguished Professor of Changjiang Scholar. He has been awarded membership of the “National Young and Middle-aged Innovative Talents” and the “Million Talents Plan” of China. He is also the editor-in-chief of the Journal of Geo Visualization and Spatial Analysis published by Springer-Nature.
Haowen Yan studied at Wuhan University, the Information Engineering University of PLA of China, Hongkong Polytechnic University, University of Zurich, University of Waterloo and Old Dominion University. He has published 12 books, 5 of which are in English. He is the first author of 56 papers, holds 6 patents, has chaired 12 academic conferences and has completed 36 research projects as principal investigator.