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Wolfram Alpha Search Engine

Type of site
Answer engine
Owner Wolfram Alpha LLC
Created by Wolfram Research
Slogan(s) Making the world’s knowledge computable.[1]
Alexa rank 1,932 (March 2015)[2]
Commercial Yes
Registration Optional
Launched May 18, 2009; 7 years ago[3](official launch)
May 15, 2009[4] (public launch)
Current status Active
Written in Wolfram Language

Wolfram Alpha (also styled WolframAlpha and Wolfram|Alpha) is a computational knowledge engine[5] or answer engine developed by Wolfram Research, which was founded by Stephen Wolfram. It is an online service that answers factual queries directly by computing the answer from externally sourced “curated data”,[6] rather than providing a list of documents or web pages that might contain the answer as a search engine might.[7]

Wolfram Alpha, which was released on May 18, 2009, is based on Wolfram’s earlier flagship product Mathematica, a computational platform or toolkit that encompasses computer algebra, symbolic and numerical computation, visualization, and statistics capabilities.[3] Additional data is gathered from both academic and commercial websites such as the CIA’s The World Factbook, the United States Geological Survey, a Cornell University Library publication called All About Birds, Chambers Biographical Dictionary, Dow Jones, the Catalogue of Life,[5] CrunchBase,[8] Best Buy,[9] the FAA[10] and optionally a user’s Facebook account.