Google Granted Patent for Voice Query Search Facility

The leading Internet search engine ‘Google’ has been granted a patent for a system which provides search results from the query. The application has taken 5 years to be granted before the United States Patent and Trade Marks Office (‘USPTO’).

 The inventors listed for the invention include co-founder of Google Sergey Brin, Alex Franz and the author of the paper entitled Searching the Web by Voice (2002) Brian Milch.

 The patent application follows the outlay of the paper written in 2002. The paper identified a variety of problems with using speech as a tool for searching the Internet. The paper points out that most Internet queries are 5-6 words long and therefore a large vocabulary is required. The paper suggests that 100,000 words would only cover 80% of the traffic.

The abstract of the patent, which is entitled Voice interface for a search engine states that the invention is:

“A system provides search results from a voice search query. The system receives a voice search query from a user, derives one or more recognition hypotheses, each being associated with a weight, from the voice search query, and constructs a weighted boolean query using the recognition hypotheses. The system then provides the weighted boolean query to a search system and provides the results of the search system to a user.”

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