Patents by Inventor Lichun LIU
Lichun LIU 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: 12165545Abstract: An electronic label and an electronic label system are disclosed. The electronic label includes: a plurality of display screens; a communicator configured to receive content data to be displayed on the plurality of display screens; and a controller including a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.Type: GrantFiled: June 28, 2022Date of Patent: December 10, 2024Assignees: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yunyan Xie, Bo Liu, Lichun Chen
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Publication number: 20240403801Abstract: Systems and methods for predicting a delivery time are provided. An example method includes: receiving one or more configurations for a merchant account associated with a merchant; providing to a machine-learning model parcel data corresponding to one or more products purchased from the merchant and the one or more configurations. The machine-learning model is trained based on historical parcel data, configurations, and delivery times to predict an estimated delivery time of one or more products. The method further includes receiving from the machine-learning model an estimated delivery time of the one or more products purchased from the merchant; obtaining updated parcel data corresponding to the one or more products; providing to the machine-learning model the updated parcel data to receive an updated estimated delivery time; and returning the updated estimated delivery time.Type: ApplicationFiled: June 2, 2023Publication date: December 5, 2024Inventors: Lichun Liu, Hao Pu, Yusong Hu, Guochun Li, Yijin Ma, Chuhai Lin, Minzhi Luo, Shan Gao, Zhiwen Feng
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Patent number: 12150944Abstract: Disclosed in the present invention is the use of an anti-HER2 antibody-drug conjugate in cancer treatment. Further provided in the present invention is the use of a pharmaceutically acceptable salt, stereoisomer, or metabolite thereof, or a solvate of each of the foregoing in the manufacture of a medicament for the prophylaxis and/or treatment of a cancer insensitive or irresponsive to a treatment with a HER2-targeting agent.Type: GrantFiled: April 30, 2019Date of Patent: November 26, 2024Assignee: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.Inventors: Hongmei Song, Xiaoxi Yuan, Jing Wang, Liang Xiao, Tongtong Xue, Ping Liu, Lichun Wang, Jingyi Wang
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Publication number: 20240382612Abstract: The disclosure relates to a bioactive molecule conjugate, preparation methods and use thereof, particularly relates to a novel bioactive molecule conjugate obtained by improving coupling of the drug and the targeting moiety in an ADC or SMDC, as well as its preparation method and use in the manufacture of a medicament for the treatment of a disease associated with an abnormal cell activity.Type: ApplicationFiled: April 26, 2024Publication date: November 21, 2024Inventors: Jiaqiang CAI, Shuai SONG, Tongtong XUE, Liang XIAO, Hanwen DENG, Qiang TIAN, Jing WANG, Dengnian LIU, Liping LIU, Haimin YU, Zhouning YANG, Xu CAO, Guoqing ZHONG, Lichun WANG, Jingyi WANG
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Patent number: 11860976Abstract: A data processing method and device are provided. The method includes: extracting a plurality of data sets from unlabeled data; and for each data set, creating a plurality of sample sets by assigning labels to data samples in the data set, respectively training, for each sample set created from the data set, a classifier by using the sample set and labeled data, obtaining a sample set that corresponds to a trained classifier with the highest performance, and adding the obtained sample set to a candidate training set. Each sample set includes the first preset number of data samples with respective labels, the labels of the data samples in each sample set constitutes a label combination, and label combinations corresponding to different sample sets are different from each other. The method also includes adding a second preset number of sample sets in the candidate training set to the labeled data.Type: GrantFiled: April 12, 2019Date of Patent: January 2, 2024Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Wei Zhao, Yabing Feng, Yu Liao, Junbin Lai, Haixia Chai, Xuanliang Pan, Lichun Liu
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Patent number: 11861478Abstract: A machine learning model training method includes: training a machine learning model using features of samples in a training set, where a sample in the training set corresponds to an initial first weight and an initial second weight. In one iteration, the method includes: determining a first sample set comprising one or more samples whose corresponding target variables are incorrectly predicted; determining an overall predicted loss of the first sample set based on the predicted losses and corresponding first weights of samples in the first sample set; updating the first weights and second weights of the samples in the first sample set based on the overall predicted loss of the first sample set; and inputting the second weights, the features, and the target variables of the samples in the training set to the machine learning model, and initiating a next iteration of training the machine learning model.Type: GrantFiled: October 4, 2022Date of Patent: January 2, 2024Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Wei Zhao, Yabing Feng, Yu Liao, Junbin Lai, Haixia Chai, Xuanliang Pan, Lichun Liu
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Publication number: 20230031156Abstract: A machine learning model training method includes: training a machine learning model using features of samples in a training set, where a sample in the training set corresponds to an initial first weight and an initial second weight. In one iteration, the method includes: determining a first sample set comprising one or more samples whose corresponding target variables are incorrectly predicted; determining an overall predicted loss of the first sample set based on the predicted losses and corresponding first weights of samples in the first sample set; updating the first weights and second weights of the samples in the first sample set based on the overall predicted loss of the first sample set; and inputting the second weights, the features, and the target variables of the samples in the training set to the machine learning model, and initiating a next iteration of training the machine learning model.Type: ApplicationFiled: October 4, 2022Publication date: February 2, 2023Inventors: Wei ZHAO, Yabing FENG, Yu LIAO, Junbin LAI, Haixia CHAI, Xuanliang PAN, Lichun LIU
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Patent number: 11531841Abstract: A machine learning model training method includes: training a machine learning model using features of each sample in a training set based on an initial first weight and an initial second weight. In one iteration, the method includes determining a first sample set in which a target variable is incorrectly predicted, and a second sample set in which a target variable is correctly predicted, based on a predicted loss of each sample; and determining overall predicted loss of the first sample set based on a predicted loss and a first weight of each sample in the first sample set. The method also includes updating the first weight and a second weight of each sample in the first sample set based on the overall predicted loss; and inputting the updated second weight, the features, and the target variable of each sample to the machine learning model, and initiating a next iteration.Type: GrantFiled: April 12, 2019Date of Patent: December 20, 2022Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Wei Zhao, Yabing Feng, Yu Liao, Junbin Lai, Haixia Chai, Xuanliang Pan, Lichun Liu
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Patent number: 11379422Abstract: A text deduplication method and apparatus, and a storage medium are provided. The method includes: obtaining a text set, the text set including a plurality of to-be-deduplicated texts; capturing, for each to-be-deduplicated text, a corresponding subtext string from the to-be-deduplicated text; and determining, in the text set, to-be-deduplicated texts having a same subtext string, to obtain text subsets. Each subtext string corresponds to a text subset, and each text subset includes one or more to-be-deduplicated texts that have the corresponding subtext string. The method also includes performing text deduplication processing on the text subset corresponding to each subtext string, to obtain a deduplicated text set corresponding to each subtext string; and obtaining, according to the deduplicated text set corresponding to each subtext string, a result text set of the text set after the deduplication.Type: GrantFiled: June 14, 2019Date of Patent: July 5, 2022Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Wei Xu, Li Zhong, Li Wang, Lichun Liu
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Patent number: 11030202Abstract: A method and a device for recommendation of media content are described. The method includes: calculating scores of media content labels in a computer media content library; in descending order of the scores, selecting a first threshold media content label as a candidate media content label; for the candidate media content label, finding out a media content corresponding to the candidate media content label from the media content library; for the media content corresponding to the candidate media content label, in descending order of the amount of page views, selecting a second threshold media content as a media content to be recommended corresponding to the candidate media content label; and recommending the media content to be recommended corresponding to the candidate media content label to a user. The method and device can recommend popular media contents to users, and reduce the style difference between the media contents.Type: GrantFiled: May 23, 2019Date of Patent: June 8, 2021Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Lichun Liu, Jingtao Zhu, Xiang Wang, Chentao Fan, Bin Zhou, Shenyuan Li, Jianfeng Chen, Siliang Huang, Juan Sun, Huguang Jin, Dan Li, Chunxia Qin
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Patent number: 10496747Abstract: The disclosure provides a text information processing method. Training textual data is determined according to text information, and characters and strings are identified from the training textual data. For each of the identified characters, a respective independent probability of appearance among the training textual data is calculated. For each of the identified strings, a respective joint probability of appearance among the training textual data is calculated. Whether a particular string of the identified strings corresponds to a candidate neologism is determined according to independent probabilities of various characters of the particular string and the joint probability of the particular string. Moreover, the candidate neologism is determined as a neologism when the candidate neologism is not in a preset dictionary and a joint probability of the candidate neologism is greater than a preset threshold.Type: GrantFiled: March 29, 2018Date of Patent: December 3, 2019Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Quanchen Lin, Lichun Liu, Jianchun Zhao
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Publication number: 20190318202Abstract: A machine learning model training method includes: training a machine learning model using features of each sample in a training set based on an initial first weight and an initial second weight. In one iteration, the method includes determining a first sample set in which a target variable is incorrectly predicted, and a second sample set in which a target variable is correctly predicted, based on a predicted loss of each sample; and determining overall predicted loss of the first sample set based on a predicted loss and a first weight of each sample in the first sample set. The method also includes updating the first weight and a second weight of each sample in the first sample set based on the overall predicted loss; and inputting the updated second weight, the features, and the target variable of each sample to the machine learning model, and initiating a next iteration.Type: ApplicationFiled: April 12, 2019Publication date: October 17, 2019Inventors: Wei ZHAO, Yabing FENG, Yu LIAO, Junbin LAI, Haixia CHAI, Xuanliang PAN, Lichun LIU
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Publication number: 20190294588Abstract: A text deduplication method and apparatus, and a storage medium are provided. The method includes: obtaining a text set, the text set including a plurality of to-be-deduplicated texts; capturing, for each to-be-deduplicated text, a corresponding subtext string from the to-be-deduplicated text; and determining, in the text set, to-be-deduplicated texts having a same subtext string, to obtain text subsets. Each subtext string corresponds to a text subset, and each text subset includes one or more to-be-deduplicated texts that have the corresponding subtext string. The method also includes performing text deduplication processing on the text subset corresponding to each subtext string, to obtain a deduplicated text set corresponding to each subtext string; and obtaining, according to the deduplicated text set corresponding to each subtext string, a result text set of the text set after the deduplication.Type: ApplicationFiled: June 14, 2019Publication date: September 26, 2019Inventors: Wei XU, Li ZHONG, Li WANG, Lichun LIU
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Publication number: 20190278778Abstract: A method and a device for recommendation of media content are described. The method includes: calculating scores of media content labels in a computer media content library; in descending order of the scores, selecting a first threshold media content label as a candidate media content label; for the candidate media content label, finding out a media content corresponding to the candidate media content label from the media content library; for the media content corresponding to the candidate media content label, in descending order of the amount of page views, selecting a second threshold media content as a media content to be recommended corresponding to the candidate media content label; and recommending the media content to be recommended corresponding to the candidate media content label to a user. The method and device can recommend popular media contents to users, and reduce the style difference between the media contents.Type: ApplicationFiled: May 23, 2019Publication date: September 12, 2019Inventors: Lichun Liu, Jingtao Zhu, Xiang Wang, Chentao Fan, Bin Zhou, Shenyuan Li, Jianfeng Chen, Siliang Huang, Juan Sun, Huguang Jin, Dan Li, Chunxia Qin
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Publication number: 20190236412Abstract: A data processing method and device are provided. The method includes: extracting a plurality of data sets from unlabeled data; and for each data set, creating a plurality of sample sets by assigning labels to data samples in the data set, respectively training, for each sample set created from the data set, a classifier by using the sample set and labeled data, obtaining a sample set that corresponds to a trained classifier with the highest performance, and adding the obtained sample set to a candidate training set. Each sample set includes the first preset number of data samples with respective labels, the labels of the data samples in each sample set constitutes a label combination, and label combinations corresponding to different sample sets are different from each other. The method also includes adding a second preset number of sample sets in the candidate training set to the labeled data.Type: ApplicationFiled: April 12, 2019Publication date: August 1, 2019Inventors: Wei ZHAO, Yabing FENG, Yu LIAO, Junbin LAI, Haixia CHAI, Xuanliang PAN, Lichun LIU
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Patent number: 10346412Abstract: A method and a device for recommendation of media content are described. The method includes: calculating scores of media content labels in a computer media content library; in descending order of the scores, selecting a first threshold media content label as a candidate media content label; for the candidate media content label, finding out a media content corresponding to the candidate media content label from the media content library; for the media content corresponding to the candidate media content label, in descending order of the amount of page views, selecting a second threshold media content as a media content to be recommended corresponding to the candidate media content label; and recommending the media content to be recommended corresponding to the candidate media content label to a user. The method and device can recommend popular media contents to users, and reduce the style difference between the media contents.Type: GrantFiled: January 5, 2015Date of Patent: July 9, 2019Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Lichun Liu, Jingtao Zhu, Xiang Wang, Chengtao Fan, Bin Zhou, Shenyuan Li, Jianfeng Chen, Siliang Huang, Juan Sun, Huguang Jin, Dan Li, Chunxia Qin
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Publication number: 20180217979Abstract: The disclosure provides a text information processing method. Training textual data is determined according to text information, and characters and strings are identified from the training textual data. For each of the identified characters, a respective independent probability of appearance among the training textual data is calculated. For each of the identified strings, a respective joint probability of appearance among the training textual data is calculated. Whether a particular string of the identified strings corresponds to a candidate neologism is determined according to independent probabilities of various characters of the particular string and the joint probability of the particular string. Moreover, the candidate neologism is determined as a neologism when the candidate neologism is not in a preset dictionary and a joint probability of the candidate neologism is greater than a preset threshold.Type: ApplicationFiled: March 29, 2018Publication date: August 2, 2018Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Quanchen LIN, Lichun LIU, Jianchun ZHAO
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Patent number: 9817885Abstract: A method for grouping network service users includes acquiring attribute and/or behavior data of multiple users within a current period, and converting the attribute and/or behavior data into standardized data; determining multiple group central points according to the standardized data, and placing the standardized data in a group where a group central point having a shortest distance is located; determining group features of groups according to standardized data in the groups; and separately pushing corresponding service push information to users in the groups according to the group features of the groups. In addition, an apparatus for grouping network service users is further described.Type: GrantFiled: December 30, 2016Date of Patent: November 14, 2017Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Xiangyong Yang, Zhibing Ai, Lichun Liu, Chuan Chen
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Publication number: 20170109431Abstract: A method for grouping network service users includes acquiring attribute and/or behavior data of multiple users within a current period, and converting the attribute and/or behavior data into standardized data; determining multiple group central points according to the standardized data, and placing the standardized data in a group where a group central point having a shortest distance is located; determining group features of groups according to standardized data in the groups; and separately pushing corresponding service push information to users in the groups according to the group features of the groups. In addition, an apparatus for grouping network service users is further described.Type: ApplicationFiled: December 30, 2016Publication date: April 20, 2017Inventors: Xiangyong YANG, Zhibing Al, Lichun LIU, Chuan CHEN
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Publication number: 20160217491Abstract: Devices and methods are provided for preventing user churn, wherein the methods include: collecting target user data corresponding to one or more target users associated with a target application program (101), the target user data including user basic attribute information, user behavioral indicator information and user active indicator information; determining a target user type of the one or more target users based on at least information associated with the target user data of the one or more target users (102), the target user type including a normal active user, an approximately silent user and a silent user; and in response to the target user type of the one or more target users being an approximately silent user, pushing first data for promoting activeness to the one or more target users associated with the target application program (103).Type: ApplicationFiled: April 1, 2016Publication date: July 28, 2016Inventors: Jingtao ZHU, Xi HU, Xin XU, Xiaolong ZHANG, Hu NI, Duobin XU, Lichun LIU, Chengtao FAN, Zhibing AI, Xiangyong YANG