Patents by Inventor Anna OONISHI
Anna OONISHI 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).
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Patent number: 12026006Abstract: A POI popularity derivation device (10) includes: a dictionary generation unit (11) that assigns a feature word used as a co-occurrence word of a POI name to each popularity-assigned POI name serving as a popularity assignment target to generate a popularity-assigned POI dictionary in which a popularity-assigned POI name and a feature word are associated with each other; an extraction unit (12) that extracts posted data serving as a search target from posted data on the basis of predetermined criteria; and a popularity derivation unit (18) that searches for the posted data on the basis of a predetermined rule regarding feature words while referring to the popularity-assigned POI dictionary, to extract posted data linked to the popularity-assigned POI name, and derives the popularity of each popularity-assigned POI name on the basis of the number of pieces of extracted posted data for each popularity-assigned POI name.Type: GrantFiled: May 6, 2021Date of Patent: July 2, 2024Assignee: NTT DOCOMO, INC.Inventors: Anna Oonishi, Satoshi Kawasaki, Yusuke Fukazawa
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Patent number: 11948472Abstract: A popularity estimation device includes: an acquisition unit configured to acquire a first map image including a first particular point and to acquire a plurality of second map images including a second particular point which is a particular point; a generation unit configured to generate a first feature vector and a second feature vector by inputting the first map image and the second map images to a geographical feature generation model with a map image as an input and with a feature vector indicating geographical features of the map image as an output; a score calculating unit configured to calculate a popularity score of the first particular point from a popularity score of the second particular point based on a degree of similarity between the first feature vector and the second feature vector; and an output unit configured to output the popularity score of the first particular point.Type: GrantFiled: July 22, 2020Date of Patent: April 2, 2024Assignee: NTT DOCOMO, INC.Inventors: Anna Oonishi, Satoshi Kawasaki, Yusuke Fukazawa
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Patent number: 11914601Abstract: Provided is a re-ranking device that enables a re-ranking process with less possibility of decrease in accuracy due to shortage of data. A re-ranking device 100 includes an input unit 101 that receives a search query from one user, a re-ranking model storage unit 106 that stores a plurality of re-ranking models prepared in accordance with common information of a plurality of users, a search unit 102 that performs a search on the basis of the search query and obtains a search result, and a re-ranking processing unit 107 that selects one re-ranking model on the basis of common information of the one user and performs a re-ranking process on the search result using the one re-ranking model.Type: GrantFiled: August 7, 2020Date of Patent: February 27, 2024Assignee: NTT DOCOMO, INC.Inventors: Anna Oonishi, Satoshi Kawasaki, Yusuke Fukazawa
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Publication number: 20230229721Abstract: A POI popularity derivation device (10) includes: a dictionary generation unit (11) that assigns a feature word used as a co-occurrence word of a POI name to each popularity-assigned POI name serving as a popularity assignment target to generate a popularity-assigned POI dictionary in which a popularity-assigned POI name and a feature word are associated with each other; an extraction unit (12) that extracts posted data serving as a search target from posted data on the basis of predetermined criteria; and a popularity derivation unit (18) that searches for the posted data on the basis of a predetermined rule regarding feature words while referring to the popularity-assigned POI dictionary, to extract posted data linked to the popularity-assigned POI name, and derives the popularity of each popularity-assigned POI name on the basis of the number of pieces of extracted posted data for each popularity-assigned POI name.Type: ApplicationFiled: May 6, 2021Publication date: July 20, 2023Applicant: NTT DOCOMO, INC.Inventors: Anna OONISHI, Satoshi KAWASAKI, Yusuke FUKAZAWA
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Publication number: 20220300519Abstract: Provided is a re-ranking device that enables a re-ranking process with less possibility of decrease in accuracy due to shortage of data. A re-ranking device 100 includes an input unit 101 that receives a search query from one user, a re-ranking model storage unit 106 that stores a plurality of re-ranking models prepared in accordance with common information of a plurality of users, a search unit 102 that performs a search on the basis of the search query and obtains a search result, and a re-ranking processing unit 107 that selects one re-ranking model on the basis of common information of the one user and performs a re-ranking process on the search result using the one re-ranking model.Type: ApplicationFiled: August 7, 2020Publication date: September 22, 2022Applicant: NTT DOCOMO, INC.Inventors: Anna OONISHI, Satoshi KAWASAKI, Yusuke FUKAZAWA
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Publication number: 20220254279Abstract: A popularity estimation device includes: an acquisition unit configured to acquire a first map image including a first particular point and to acquire a plurality of second map images including a second particular point which is a particular point; a generation unit configured to generate a first feature vector and a second feature vector by inputting the first map image and the second map images to a geographical feature generation model with a map image as an input and with a feature vector indicating geographical features of the map image as an output; a score calculating unit configured to calculate a popularity score of the first particular point from a popularity score of the second particular point based on a degree of similarity between the first feature vector and the second feature vector; and an output unit configured to output the popularity score of the first particular point.Type: ApplicationFiled: July 22, 2020Publication date: August 11, 2022Applicant: NTT DOCOMO, INC.Inventors: Anna OONISHI, Satoshi KAWASAKI, Yusuke FUKAZAWA
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Publication number: 20210049630Abstract: An area popularity calculation device 1 includes: an acquisition unit (10) configured to acquire area information representing areas on a map; an identifying unit (11) configured to identify one or more points of interest (POIs) included in a target area represented by the area information acquired by the acquisition unit; and a calculation unit (12) configured to calculate a popularity level of the target area on the basis of one or more POI popularity levels respectively associated with the one or more POIs identified by the identifying unit.Type: ApplicationFiled: March 4, 2019Publication date: February 18, 2021Applicant: NTT DOCOMO, INC.Inventors: Satoshi KAWASAKI, Takeshi KAMIYAMA, Anna OONISHI, Yusuke FUKAZAWA, Masatoshi KIMOTO