Information Modeling for Internet Applications considers the fundamentals of web site modeling. It gives theoretical background as well as practical modeling techniques, which assist in the planning and development of web sites, other collections of hyperdocument and web-based information systems in general. Besides the modeling of page structures, navigation paths, and presentation functions, this will help to perform a variety of additional tasks, such as maintaining web site consistency, proving correctness of specifications, personalization, and adaptation to specific user groups.