作者: Shinji Tanaka , Takeshi Takeuchi
DOI:
关键词: Link (knot theory) 、 Database 、 Computer science 、 Information retrieval 、 Support system
摘要: An HTML file corresponding to the current selected step is displayed by a WWW browser as display screen 160. A link title 168 represents preceding step; titles are linked with files steps separately. 170 following it an 174 step. Thus, user can select any one only from among all and cannot skip of steps.