We present ‘How Did I Find That?’ (HDIFT), an algorithm to find web pages related to categories of bookmarks (book- mark folders) or individual bookmarks stored in a user’s bookmark (or favorites) file. HDIFT automatically generates a query from the selected bookmarks and categories, submits the query to a third-party search engine, and presents the results to the user. HDIFT’s approach is innovative in that we select keywords to generate the query from a book- marked web page’s parents (other web-based documents that contain a link to the bookmarked web page), rather than from the bookmarked web page itself. Our initial limited evaluation results are promising. Volunteers who participated in the evaluation considered 20% of all query results to be relevant and interesting enough to bookmark. Additionally, 56.9% of the queries generated yielded results sets (of at most 10 results) containing at least one interesting and bookmarkable web page.
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