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Amit Singhal, the main architect of Google's search algorithms, revealed the exact formulas of Google's ranking this morning at the European Conference of Information Retrieval in Glasgow, UK. (http://ecir2008.dcs.gla.ac.uk)
The ranking formula, consisting of 263 different features contains apart from the well-known pagerank formula, a number of until now highly secret components, such as the keyword stuffing to cloaking ratio, the normalized adscraping log-likelihood, the expected conditional link farm probability, and a factor for geometrically maximized noun phrase replacement discounting.
Amit's bewildering keynote speech announces a new era of internet search. As common in other fields of computer science, most notably cryptography, all Google's algorithms will be completely open and transparant to their users. Inspired by the public key algorithm developed by Rivest, Shamir, and Adleman at MIT in the 1970's, Google has established several safeguards that make it virtually impossible for spammers to take advantage of Google's new open policy. Safeguards use incredibly large prime numbers computed on Google's large data centers that are impossible to break for any other company or organisation in the upcoming 20 years. Only the US government will get access to these large prime numbers.
The full ranking formula, which takes over 100 lines of pseudo code, will be published later today on the official Google blog at .
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