Keyword VS Natural-Language Search. Natural language user interface. Natural Language User Interfaces (LUI or NLUI) are a type of computer human interface where linguistic phenomena such as verbs, phrases and clauses act as UI controls for creating, selecting and modifying data in software applications.
In interface design natural language interfaces are sought after for their speed and ease of use, but most suffer the challenges to understanding wide varieties of ambiguous input.[1] Natural language interfaces are an active area of study in the field of natural language processing and computational linguistics. An intuitive general Natural language interface is one of the active goals of the Semantic Web. Text interfaces are 'natural' to varying degrees. Many formal (un-natural) programming languages incorporate idioms of natural human language. What is Boolean search. Boolean Searching. Advanced Search. Metasearch engine. A metasearch engine is a search tool[1][2] that sends user requests to several other search engines and/or databases and aggregates the results into a single list or displays them according to their source.
Metasearch engines enable users to enter search criteria once and access several search engines simultaneously. Metasearch engines operate on the premise that the Web is too large for any one search engine to index it all and that more comprehensive search results can be obtained by combining the results from several search engines. This also may save the user from having to use multiple search engines separately. The process of fusion also improves the search results.[3] The term "metasearch" is frequently used to classify a set of commercial search engines, see the list of Metasearch engine, but is also used to describe the paradigm of searching multiple data sources in real time.
What Is A Meta Search Engine & How It Works? [Technology Explained] Search engines are an integral part of the Internet.
![What Is A Meta Search Engine & How It Works? [Technology Explained]](http://cdn.pearltrees.com/s/pic/th/search-technology-explained-67239166)
Could you imagine the Internet without Google? And I am not even talking about all the services that Google offers as a company. Just imagine the Internet without Google search and you will realize how important search engines are.