Patents by Inventor Rafal Krzysztof Sadziak

Rafal Krzysztof Sadziak has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10095683
    Abstract: In one embodiment, a method includes receiving a search query including one or more n-grams, determining for each n-gram if a contextual speller model indicates the n-gram is misspelled, identifying for each misspelled n-gram one or more variant-tokens based at least on the search query and a contextual speller model, generating one or more unique combinations of the n-grams and variant-tokens, where each unique combination includes a variant-token corresponding to each misspelled n-gram, calculating a relevance-score for each unique combination based at least in part on the search query and the contextual speller model, generating one or more corrected queries, where each corrected query includes a unique combination having a relevance-score greater than a threshold relevance-score, and sending one or more of the corrected queries to a user for display.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: October 9, 2018
    Assignee: Facebook, Inc.
    Inventors: Ian Douglas Hegerty, Daniel Bernhardt, Marcus Holland-Moritz, Rafal Krzysztof Sadziak
  • Publication number: 20160299882
    Abstract: In one embodiment, a method includes receiving a search query including one or more n-grams, determining for each n-gram if a contextual speller model indicates the n-gram is misspelled, identifying for each misspelled n-gram one or more variant-tokens based at least on the search query and a contextual speller model, generating one or more unique combinations of the n-grams and variant-tokens, where each unique combination includes a variant-token corresponding to each misspelled n-gram, calculating a relevance-score for each unique combination based at least in part on the search query and the contextual speller model, generating one or more corrected queries, where each corrected query includes a unique combination having a relevance-score greater than a threshold relevance-score, and sending one or more of the corrected queries to a user for display.
    Type: Application
    Filed: April 10, 2015
    Publication date: October 13, 2016
    Inventors: Ian Douglas Hegerty, Daniel Bernhardt, Marcus Holland-Moritz, Rafal Krzysztof Sadziak