Patents by Inventor Krishna Jayaram Kalpathy

Krishna Jayaram Kalpathy 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: 10223464
    Abstract: In one embodiment, a method includes receiving a search query from a client system of a first user; parsing the search query into n-grams, and calculating confidence-scores for entities in a set of query-analysis-entities based on the n-grams, each confidence-score representing a probability that one or more of the n-grams are intended to reference a respective entity; determining a set of search results matching the search query, and calculating entity-frequencies corresponding to entities in a set of results-analysis-entities based on a histogram analysis of the set of search results; calculating a filter-score entities in a set of prospective-entities, which includes entities from the set of query-analysis-entities and the set of results-analysis-entities, based on the respective confidence-score and entity-frequency; and sending, to the client system, suggested filters corresponding to entities having a filter-score greater than a threshold filter-score, the suggested filters being selectable to modify th
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: March 5, 2019
    Assignee: Facebook, Inc.
    Inventors: Melissa Rose Winstanley, Evan John Rocha, David M. Goldblatt, Brinda Mehta, Daniel Cabral Francisco, Krishna Jayaram Kalpathy, Prerna Totla, Eric Ringger
  • Publication number: 20180039647
    Abstract: In one embodiment, a method includes receiving a search query from a client system of a first user; parsing the search query into n-grams, and calculating confidence-scores for entities in a set of query-analysis-entities based on the n-grams, each confidence-score representing a probability that one or more of the n-grams are intended to reference a respective entity; determining a set of search results matching the search query, and calculating entity-frequencies corresponding to entities in a set of results-analysis-entities based on a histogram analysis of the set of search results; calculating a filter-score entities in a set of prospective-entities, which includes entities from the set of query-analysis-entities and the set of results-analysis-entities, based on the respective confidence-score and entity-frequency; and sending, to the client system, suggested filters corresponding to entities having a filter-score greater than a threshold filter-score, the suggested filters being selectable to modify th
    Type: Application
    Filed: August 4, 2016
    Publication date: February 8, 2018
    Inventors: Melissa Rose Winstanley, Evan John Rocha, David M. Goldblatt, Brinda Mehta, Daniel Cabral Francisco, Krishna Jayaram Kalpathy, Prerna Totla, Eric Ringger