Now, we used Typecho to build up a new news system and what you are seeing is what we have done. The new system can demostrate the title, date, and of course, tags. So you can know about the updating of Acemap.
Topic coauthor map shows the relationship between top authors in a topic. The node size in this map represents the influence of an author in this topic. The clustering can be identified by node color and the width of edges describe the relation intensity between two authors. You can find this map under most topic's page.
This map shows the relationship between different academic topics. In this map, each color represents one huge topic, like computer science, biology and mathematics, which can be called Level 0 topics.