TY - BOOK AU - Mohamed Badawy AU - Claus Atzenbeck , TI - Representing time of navigation and modification in spatial hypertext / PY - 2010/// CY - Cairo : PB - Mohamed Badawy , N1 - Thesis (M.Sc.) - German University - Faculty of Postgraduate Studies and Scientific Research - Department of Computer Science and Engineering N2 - Spatial hypertext is an emerging field providing a means of organizing information without the use of specific structures but instead using visual cuses . Spatial hypertext environments are built through adding nodes with colors to represent information . This information can then be manipulated by the user around the environment , achieving a visual representation of ideas UR - http://172.23.153.220/th.pdf ER -