This book is a second edition, updated and expanded to explain the technologies that help
us find information on the web. Search engines and web navigation tools have become …

Anonymous communication has become a hot research topic in order to meet the increasing
demand for web privacy protection. However, there are few such systems which can provide …

The frame approach for representing knowledge (ie, collection of frames are linked together
into frame-system) has been suggested by Marvin Minsky. In this approach, the frame …

Query recommendation is an integral part of modern search engines. The goal of query
recommendation is to facilitate users while searching for information. Query …

The performance evaluation of Web applications usually requires the analysis of sequences
of user requests for specific Web pages. These sequences can be obtained, for example, by …

Quicklinks for a website are navigational shortcuts displayed below the website homepage
on a search results page, and that let the users directly jump to selected points inside the …

The study aims to improve Web navigation efficiency by reorganizing Web structure.
Navigation efficiency is defined mathematically for both navigation with/without target …

Let T be a rooted directed tree where nodes represent web pages of a web site and arcs
represent hyperlinks. In this case, when a user searches for an information i, it traverses a …

Consider a website containing a collection of webpages with data such as in Yahoo or the
Open Directory project. Each page is associated with a weight representing the frequency …

The concept of hotlink assignment aims at enhancing the structure of Web sites such that the
user's expected navigation effort is minimized. We concentrate on sites that are …