Algorithms for Recollection of Search Terms Based on the Wikipedia Category Structure

Figure 5

The user interface when the user entered “Land” (country) and subsequently clicked “Land naar continent” (country by continent), “Land in Europa” (Country in Europe), and “Nederland” (the Netherlands). The following areas of the user interface are marked (a) the articles and child categories of the category “Nederland,” (b) the parent categories of “Nederland,” other than “Land in Europa,” the one that is listed in (c), (c) the traversed categories, only when a link in (a) is followed, and (d)  results for searching the database with the query “Nederland,” as in the traditional search engine.