WestlawNext and Lexis Advance the new generation of legal research systems from Thomson Reuters and LexisNexis have a new interface with a single search box like Google, a new search engine and other new features. While they share many similar new attributes, the two systems differ in several ways.
New Search Engines
Both WestlawNext and Lexis Advance offer new search engines that use algorithms to retrieve results differently than their classic counterparts. Theoretically, the new algorithms are designed to retrieve better, more relevant results. WestlawNext’s search engine, “WestSearch,” ranks results using relevance factors such as frequency of citation, appearance within secondary sources and consistency among key numbers. Between Next and Advance, the search engines are undoubtedly different; one can easily observe that running the same search on both will usually retrieve different results. An in-depth study of these differences would be useful to researchers, but lies outside the scope of this article.
Single Search Box
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