Wolfram search engine goes live
Wolfram Alpha uses natural language processing to understand queries
A search engine hailed as a significant rival to web giant Google has gone live to the public.
Wolfram Alpha is called a computation knowledge engine rather than a search engine and wants to change the way people use online data.
It aims to give people direct answers to queries rather than send them to other sites where they may find what they are seeking.
The system is the brainchild of British-born physicist Stephen Wolfram.
Wolfram Alpha was unveiled in late April and since then has been publicly demonstrated and some people have had a chance to run queries through it.
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