Search Engines and how to use Google!
Choose the Best Search Engine for Your Needs
Google Remember to try Advanced Search Think you're an expert searcher? Try A Google A Day, the daily Google search challenge game.
Better still, use Google Scholar to access full text, peer-reviewed articles.
DuckDuckGo uses information from crowd-sourced sites. The search engine policy emphasizes privacy and does not record user information.
Yippy combines the results of several search engines and generates an ordered list based on comparative ranking. This "metasearch" approach helps raise the best results to the top and push search engine spam to the bottom. Instead of delivering millions of search results in one long list, Yippy groups similar results together into “clouds.” Clouds help you see your search results by topic so you can zero in on exactly what you’re looking for or discover unexpected relationships between items.
Carrot2 is an Open Source Search Results Clustering Engine. It can automatically organise small collections of documents (search results but not only) into thematic categories.
dogpile is powered by Metasearch technology. It returns all the best results from leading search engines including Google.
Each search engine has its own method of searching and each will return different results. Dogpile looks at all of them, decides which are most relevant to your search, eliminates duplicates and reveals them to you. In the end, you get a list of results more complete than anywhere else on the Web. They have a loyal mascot called Arfie! (He fetches for you...)