Patents by Inventor Vishnu Challam

Vishnu Challam 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: 9740778
    Abstract: Ranking domains for search engines is provided herein. To rank a domain, contributing domains associated with the domain are identified. Additionally, the maturity of each of the contributing domains is determined. A rank for the domain is then determined based at least in part on the maturity of each of the contributing domains. The domain rankings may then be used to order results for search queries.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: August 22, 2017
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Janine Crumb, Krishna C. Gade, Rangan Majumder, Vishnu Challam
  • Patent number: 9043306
    Abstract: A client application installed on end user computers generates metadata from the content of web pages visited by end users and provides the metadata to a search engine. When an end user visits a web page, the end user's computer downloads and displays the web page to the end user. The client application may simultaneously access the web page content and generate this metadata in the form of a content signature of the web page from the web page content. The client application then provides the content signature to a search engine. The search engine may employ content signatures to identify new web pages to crawl and index. Additionally, the search engine may employ content signatures to identify changes to web pages and determine the crawl frequency of web pages.
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: May 26, 2015
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Fabrice Canel, Junaid Ahmed, Thomas Francis McElroy, Walter Sun, Kumar Chellapilla, Abhishek Singh, Vishnu Challam
  • Publication number: 20120047121
    Abstract: A client application installed on end user computers generates metadata from the content of web pages visited by end users and provides the metadata to a search engine. When an end user visits a web page, the end user's computer downloads and displays the web page to the end user. The client application may simultaneously access the web page content and generate this metadata in the form of a content signature of the web page from the web page content. The client application then provides the content signature to a search engine. The search engine may employ content signatures to identify new web pages to crawl and index. Additionally, the search engine may employ content signatures to identify changes to web pages and determine the crawl frequency of web pages.
    Type: Application
    Filed: August 23, 2010
    Publication date: February 23, 2012
    Applicant: MICROSOFT CORPORATION
    Inventors: FABRICE CANEL, JUNAID AHMED, THOMAS FRANCIS MCELROY, WALTER SUN, KUMAR CHELLAPILLA, ABHISHEK SINGH, VISHNU CHALLAM
  • Publication number: 20080086467
    Abstract: Ranking domains for search engines is provided herein. To rank a domain, contributing domains associated with the domain are identified. Additionally, the maturity of each of the contributing domains is determined. A rank for the domain is then determined based at least in part on the maturity of each of the contributing domains. The domain rankings may then be used to order results for search queries.
    Type: Application
    Filed: October 10, 2006
    Publication date: April 10, 2008
    Applicant: Microsoft Corporation
    Inventors: Janine Crumb, Krishna C. Gade, Rangan Majumder, Vishnu Challam