There is a certain convenience in searching several databases at one shot, but there is also a loss of precision. Boolean Phrases Emphasis Nesting Truncation Available in advanced search with radio buttons. Use quotation marks. WebCrawler Originally developed at the University of Washington and now provided by America Online, Inc., this is one of the larger databases and more widely referenced search engines on the Web. Results of a search are returned in a ranked relevance order .
Search results can frequently overwhelm with sheer volume.
The intelligent search default allows considerable search control. OR prison Button selection for An exact phrase match Or use quotation marks.