9 citations · 19 across the 4 of their papers we have counts for
4 papers
Why we need an independent index of the Web
Dirk Lewandowski
The path to greater diversity, as we have seen, cannot be achieved by merely hoping for a new search engine nor will government support for a single alternative achieve this goal.…
Evaluating the retrieval effectiveness of Web search engines using a representative query sample
Dirk Lewandowski
Search engine retrieval effectiveness studies are usually small-scale, using only limited query samples. Furthermore, queries are selected by the researchers. We address these issu…
Ordinary Search Engine Users assessing Difficulty, Effort, and Outcome for Simple and Complex Search Tasks
Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
Search engines are the preferred tools for finding information on the Web. They are advancing to be the common helpers to answer any of our search needs. We use them to carry out s…
Impact of Gender and Age on performing Search Tasks Online
Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
More and more people use the Internet to work on duties of their daily work routine. To find the right information online, Web search engines are the tools of their choice. Apart f…