Teoma specializes in three types of search results, all provided on the same page: Results (traditional listing style); Refine (suggestions to narrow your topic) and Resources (links to expert pages.) The Refine area is a great help in determining effective alternate search words.+
This search engine maps out results in a branching visual format, much as in a graphic organizer. Users can roll the mouse over a document icon to view a brief annotation of each Web site's contents. Great for visual learners! +
"Provides high quality, highly-relevant clustered search results from many search engines with no advertising and noscreen clutter. Its Quick Peek feature provides a smallscrollable view of each site, so one can see the overalllayout before opening the site. The Advanced Search lets youspecify which search engines to include."+
Google Scholar describes itself as enabling "you to search specifically for scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research. Use Google Scholar to find articles from a wide
variety of academic publishers, professional societies, preprint repositories
and universities, as well as scholarly articles available across the web."