2.3 Robust Hyperlinks

2.3 Robust Hyperlinks

‘Robust hyperlinks’ is a typical implementation from applying LSs in locating web pages. URL combined with LSs can not only re-find the desired web page, but also discover the most relevant pages if the desired page is missed or lost. Thomas A. Phelps and Robert Wilensky in their “Robust Hyperlinks Cost Just Five Words Each” ^[2] exhibited the problem when the desired page was deleted, renamed, moved, or changed, and demonstrated a novel approach to this issue by argumenting LSs in URLs so that they themselves became robust hyperlinks ^[2]. A novel compatible with traditional URL called “robust hyper link aware” URL can be like:

http://www.something.dom/a/b/c?lexical-signature="w1+w2+w3+w4+w5"

where w1, w2, w3, w4 and w5 are 5 terms extracted from the original page by TF-IDF. They are probably the first ones who raised the idea of lexical signature on a typical web page and explore its the application value.