Patents by Inventor Petr Sergeevich Popov

Petr Sergeevich Popov 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: 10891340
    Abstract: A method and a system for updating a search index divided into a plurality of chunks, each chunk including a portion of a plurality of documents, comprising: receiving a request to update a set of documents including deletion of a first subset of documents, computing for each given chunk of a set of chunks, each given chunk including at least one document of the first subset: an active size of a set of active documents, the set of active documents not including the at least one document, a total size, the total size not including the at least one document and a ratio of the active to the total size, duplicating, based on the ratio, a subset of chunks to obtain a subset of candidate chunks, updating the set of documents in the subset of candidate chunks, replacing the subset of chunks with the subset of candidate chunks.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: January 12, 2021
    Assignee: YANDEX EUROPE AG
    Inventors: Aleksey Valerievich Shlyunkin, Alexander Pavlovich Fokin, Petr Sergeevich Popov
  • Publication number: 20200159783
    Abstract: A method and a system for updating a search index divided into a plurality of chunks, each chunk including a portion of a plurality of documents, comprising: receiving a request to update a set of documents including deletion of a first subset of documents, computing for each given chunk of a set of chunks, each given chunk including at least one document of the first subset: an active size of a set of active documents, the set of active documents not including the at least one document, a total size, the total size not including the at least one document and a ratio of the active to the total size, duplicating, based on the ratio, a subset of chunks to obtain a subset of candidate chunks, updating the set of documents in the subset of candidate chunks, replacing the subset of chunks with the subset of candidate chunks.
    Type: Application
    Filed: July 8, 2019
    Publication date: May 21, 2020
    Inventors: Aleksey Valerievich SHLYUNKIN, Alexander Pavlovich FOKIN, Petr Sergeevich POPOV
  • Patent number: 10169388
    Abstract: Methods and systems allow indexing references to documents of a database according to database reference profiles. Documents may then be located in the database using decoding protocols based on the database reference profiles. To this end, the documents are stored in the database and searchable terms extracted therefrom are associated with posting lists. Each posting list is divided into blocks of M database references. The blocks are encoded according to a pattern that depends on the M database references. A corresponding pointer to a table of encoding patterns is appended to each block. When a query is received for a searchable term, blocks are extracted from a posting list corresponding to the searchable term and a pointer for each block is used to extract a decoding protocol related to an encoding pattern for the block.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: January 1, 2019
    Assignee: Yandex Europe AG
    Inventor: Petr Sergeevich Popov
  • Patent number: 10078697
    Abstract: Computer-implemented method of and system for searching an inverted index having a plurality of posting lists, comprising: Receiving a search query including a plurality of search terms to be searched. Multithreadedly searching a plurality of complementary sets of corresponding interspaced segments of each of the plurality of posting lists corresponding to the plurality of search terms, each set being searched via a separate thread to yield per-thread search results. Aggregating the per-thread search results to yield aggregated search results. Transmitting at least a portion of the aggregated search results.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: September 18, 2018
    Assignee: Yandex Europe AG
    Inventor: Petr Sergeevich Popov
  • Patent number: 9824109
    Abstract: Methods and systems allow indexing references to documents of a database according to database reference profiles. Documents may then be located in the database using decoding protocols based on the database reference profiles. To this end, the documents are stored in the database and searchable terms extracted therefrom are associated with posting lists. Each posting list is divided into blocks of M database references. The blocks are encoded according to a pattern that depends on the M database references. A corresponding pointer to a table of encoding patterns is appended to each block. When a query is received for a searchable term, blocks are extracted from a posting list corresponding to the searchable term and a pointer for each block is used to extract a decoding protocol related to an encoding pattern for the block.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: November 21, 2017
    Assignee: YANDEX EUROPE AG
    Inventor: Petr Sergeevich Popov
  • Patent number: 9471613
    Abstract: Methods and systems allow indexing references to documents of a database according to database reference profiles. Documents may then be located in the database using decoding protocols based on the database reference profiles. To this end, the documents are stored in the database and searchable terms extracted therefrom are associated with posting lists. Each posting list is divided into blocks of M database references. The blocks are encoded according to a pattern that depends on the M database references. A corresponding pointer to a table of encoding patterns is appended to each block. When a query is received for a searchable term, blocks are extracted from a posting list corresponding to the searchable term and a pointer for each block is used to extract a decoding protocol related to an encoding pattern for the block.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: October 18, 2016
    Assignee: YANDEX EUROPE AG
    Inventor: Petr Sergeevich Popov
  • Publication number: 20160070734
    Abstract: Methods and systems allow indexing references to documents of a database according to database reference profiles. Documents may then be located in the database using decoding protocols based on the database reference profiles. To this end, the documents are stored in the database and searchable terms extracted therefrom are associated with posting lists. Each posting list is divided into blocks of M database references. The blocks are encoded according to a pattern that depends on the M database references. A corresponding pointer to a table of encoding patterns is appended to each block. When a query is received for a searchable term, blocks are extracted from a posting list corresponding to the searchable term and a pointer for each block is used to extract a decoding protocol related to an encoding pattern for the block.
    Type: Application
    Filed: November 10, 2015
    Publication date: March 10, 2016
    Inventor: Petr Sergeevich POPOV
  • Publication number: 20160063046
    Abstract: Methods and systems allow indexing references to documents of a database according to database reference profiles. Documents may then be located in the database using decoding protocols based on the database reference profiles. To this end, the documents are stored in the database and searchable terms extracted therefrom are associated with posting lists. Each posting list is divided into blocks of M database references. The blocks are encoded according to a pattern that depends on the M database references. A corresponding pointer to a table of encoding patterns is appended to each block. When a query is received for a searchable term, blocks are extracted from a posting list corresponding to the searchable term and a pointer for each block is used to extract a decoding protocol related to an encoding pattern for the block.
    Type: Application
    Filed: November 10, 2015
    Publication date: March 3, 2016
    Inventor: Petr Sergeevich POPOV
  • Publication number: 20150356169
    Abstract: Methods and systems allow indexing references to documents of a database according to database reference profiles. Documents may then be located in the database using decoding protocols based on the database reference profiles. To this end, the documents are stored in the database and searchable terms extracted therefrom are associated with posting lists. Each posting list is divided into blocks of M database references. The blocks are encoded according to a pattern that depends on the M database references. A corresponding pointer to a table of encoding patterns is appended to each block. When a query is received for a searchable term, blocks are extracted from a posting list corresponding to the searchable term and a pointer for each block is used to extract a decoding protocol related to an encoding pattern for the block.
    Type: Application
    Filed: August 19, 2015
    Publication date: December 10, 2015
    Inventor: Petr Sergeevich POPOV
  • Publication number: 20150186519
    Abstract: Computer-implemented method of and system for searching an inverted index having a plurality of posting lists, comprising: Receiving a search query including a plurality of search terms to be searched. Multithreadedly searching a plurality of complementary sets of corresponding interspaced segments of each of the plurality of posting lists corresponding to the plurality of search terms, each set being searched via a separate thread to yield per-thread search results. Aggregating the per-thread search results to yield aggregated search results. Transmitting at least a portion of the aggregated search results.
    Type: Application
    Filed: February 25, 2013
    Publication date: July 2, 2015
    Inventor: Petr Sergeevich Popov