Sitemaps, Web Site Navigation, Structure and Hierarchies

These papers examine how the file and directory structures of websites, domains and hosts are constructed and organized, including differentiating between logical and physical domains.

Constructing Multi-Granular and Topic-Focused Web Site Maps
Relates to site navigation, physical and logical domains.

Defining Logical Domains in a Web Site

MAPA: a System for Inducing and Visualizing Hierarchy in Websites

Related Google research paper, authored by Krishna Bharat, Bay-Wei Chang and Monika Henziger:

Who Links to Whom: Mining Linkage between Web Sites
Examines linkage data at a broader level of granularity than web pages, taking into account web site and host structure.

Google Sitemaps (Beta) Help Page