Patents by Inventor Tian Gao
Tian Gao 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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Publication number: 20250077936Abstract: Rendering digital twin include receiving metrics associated with a physical entity, the metrics received using an established real-time data synchronization protocol. The received metrics is analyzed. Based on the analysis of the received metrics, digital twin corresponding to the physical entity is updated, the digital twin being a virtual representation of the physical entity.Type: ApplicationFiled: August 29, 2023Publication date: March 6, 2025Inventors: Peng Hui Jiang, Jun Su, WEN YI GAO, Jia Tian Zhong, Dong Hui Liu, Jia Yu, Di Li Hu
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Publication number: 20250068948Abstract: A computer-implemented method for facilitating reasoning under conditions of uncertainty includes receiving input including a set of logic formulas, a set of intervals representing lower and upper bounds on the truth values of the formulas in the set of logic formulas, and a query formula. The logic formulas can be converted into a logical credal network (LCN) representation and a factor graph representation of the LCN representation can be created. The method can output a probability interval [l, u] such that l?P(q)?u, where P(q) represents a query for a given probability interval.Type: ApplicationFiled: August 22, 2023Publication date: February 27, 2025Inventors: Radu Marinescu, Debarun Bhattacharjya, Alexander Gray, Francisco Barahona, Tian Gao, Ryan Nelson Riegel, Haifeng Qian
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Publication number: 20250045570Abstract: A method, computer program product, and computer system for triggering actions in a sequence of time steps within a multi-armed bandit process. In a current time step: a context input is received; a hidden Markov model (HMM) parameter transformation is executed to compute a latent state probability vector and HMM parameters using a conditional probability distribution, context input, values of latent state probability vector, and HMM parameters from a previous time step; an action is selected; an electromagnetic signal is sent to a hardware machine directing the hardware machine to perform the action; a dynamic reward resulting from the hardware machine having performed the action is received; a mean reward estimate as a function of the dynamic reward and the latent state probability is updated; and an update of the latent state probability vector in dependence on the dynamic reward, the action, and the mean reward estimate vector is computed.Type: ApplicationFiled: August 1, 2023Publication date: February 6, 2025Inventors: Elliot Nelson, Djallel Bouneffouf, Debarun Bhattacharjya, Tian Gao, Miao Liu
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Publication number: 20240153007Abstract: A method includes: creating a training data set based on user input, the training data set including time series data of a price of an asset and stochastic event data of events related to the asset; creating an event intensity model that models an event intensity parameter of one of the events related to the asset, wherein the event intensity model comprises a proximal graphical event model (PGEM), and the creating the event intensity model includes learning parameters of the PGEM using machine learning and the training data set; creating a probabilistic time series model that predicts a probability distribution of a return of the asset, wherein the creating the probabilistic time series model includes learning parameters of the probabilistic time series model using machine learning and the training data set; and predicting a future return of the asset for a future time period using the probabilistic time series model.Type: ApplicationFiled: November 1, 2022Publication date: May 9, 2024Inventors: Yada Zhu, Yang Zhang, Tian Gao, David Cox
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Publication number: 20240144058Abstract: According to one embodiment, a method, computer system, and computer program product for probabilistic inference from imprecise knowledge is provided. The embodiment may include identifying a knowledge base of one or more statements and first probability distributions corresponding to each of the one or more statements. The embodiment may also include identifying one or more queries. The embodiment may further include determining logical inferences about and second probability distributions for queries from the one or more queries or statements from the one or more statements based on information in the knowledge base.Type: ApplicationFiled: October 28, 2022Publication date: May 2, 2024Inventors: Radu Marinescu, HAIFENG QIAN, Debarun Bhattacharjya, Alexander Gray, Francisco Barahona, Tian GAO, Ryan Nelson Riegel
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Patent number: 11742656Abstract: A surge protection device with a high breaking capacity includes a housing with at least two lead-out electrodes, and a voltage limiting device and a thermal tripping mechanism that are installed in the housing. The voltage limiting device includes a voltage limiter, a first electrode and a second electrode that are positioned and installed in an insulating cover. The thermal tripping mechanism includes a fixed assembly, a movable assembly and a thermal trigger device. The fixed assembly and the movable assembly form a plurality of displacement switches arranged in series. The thermal trigger device is disposed in linkage with the movable assembly and includes a metal trigger sheet, a fusible alloy and an energy storage member. One end of the metal trigger sheet is fixed on the movable assembly, and the other end of the metal trigger sheet is fixed on the second electrode through welding by the fusible alloy.Type: GrantFiled: July 6, 2020Date of Patent: August 29, 2023Assignee: XIAMEN SET ELECTRONICS CO., LTD.Inventors: Xianggui Zhang, Tian'an Gao
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Publication number: 20230206116Abstract: Systems, computer-implemented methods, and computer program products to facilitate modeling bi-directional effects between events and system variables are provided. According to an embodiment, a system can comprise a processor that executes components stored in memory. The computer executable components comprise a machine learning component that learns mutual dependencies jointly over event occurrence data and transition data, wherein the transition data comprises state variable transitions observed over a multivariate state variable set.Type: ApplicationFiled: December 29, 2021Publication date: June 29, 2023Inventors: Debarun Bhattacharjya, Tian Gao, Dharmashankar Subramanian
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Publication number: 20230196145Abstract: A computer implemented method of modeling agent interactions, includes receiving event occurrence data. One or more parent-event types and one or more corresponding child-event types are learned from the event occurrence data. A timeline of the one or more parent-event types and one or more corresponding child-event types is modeled from the event occurrence data. Agent interactions are predicted based on an order of the parent-event types in a predetermined history window.Type: ApplicationFiled: December 20, 2021Publication date: June 22, 2023Inventors: Dharmashankar Subramanian, Debarun Bhattacharjya, Tian Gao
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Patent number: 11669680Abstract: A set of sentences within a natural language text document are parsed, generating a word-level graph corresponding to a sentence in the set of sentences. Within the word-level graph using a trained entity identification model, a set of entity candidates are identified. From a set of graphs modelling relationships between portions of the set of sentences, a set of embeddings is generated. From a set of pairs of embeddings in the set of embeddings using a set of deconvolution layers, a set of links between entity candidates within the set of entity candidates is extracted. From the set of links and the set of entity candidates, an output graph modelling linkages between portions of the set of sentences within the natural language text document is generated.Type: GrantFiled: February 2, 2021Date of Patent: June 6, 2023Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Lingfei Wu, Tengfei Ma, Tian Gao, Xiaojie Guo
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Publication number: 20230123421Abstract: A computer system, computer program product, and computer-implemented method are provided that includes learning a tree ordered graphical event model from an event dataset. Temporal relationships between one or more events in received temporal event data is modeled, and an ordered graphical event model (OGEM) graph is learned. The learned OGEM graph is configured to capture ordinal historical dependence. Leveraging the learned OGEM graph, a parameter sharing architecture is learned, including order dependent statistical and causal co-occurrence relationships among event types. A control signal to an operatively coupled event device that is associated with at least one event type reflected in the learned parameter sharing environment is dynamically issued. The control signal is configured to selectively control an event injection.Type: ApplicationFiled: October 18, 2021Publication date: April 20, 2023Applicant: International Business Machines CorporationInventors: Debarun Bhattacharjya, Tian Gao, Dharmashankar Subramanian
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Patent number: 11579169Abstract: The present disclosure provides a scanning probe, a method and an apparatus for manufacturing the scanning probe. The scanning probe includes a base and a micro-tip disposed on an end of the base, wherein at least a section of the micro-tip comprises a lateral surface with a concavely curved generatrix. In the method, an end of a probe precursor is immersed in a corrosive solution by having a length direction of the probe precursor inclined with a liquid surface of the corrosive solution. The probe precursor is corroded by the corrosive solution while a corrosion current of the corroding is monitored. The probe precursor is moved away from the corrosive solution after a magnitude of the corrosion current has a plunge. The apparatus includes a container containing the corrosive solution, and a driving device configured to move the probe precursor in the container through a fastener.Type: GrantFiled: September 18, 2021Date of Patent: February 14, 2023Assignee: NATIONAL INSTITUTE OF METROLOGY, CHINAInventors: Zhen-Dong Zhu, Si-Tian Gao, Wei Li
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Publication number: 20230044347Abstract: Embodiments of the present invention provide computer-implemented methods, computer program products and computer systems. Embodiments of the present invention can, identify a plurality of data variables within a multivariate event dataset. Embodiments of the present invention can then formalize a causal inference between at least two identified data variables within the multivariate event dataset and generate a structural framework of an average effect value for the multivariate event dataset based on the formalization of the causal inference of the identified data variables. Embodiments of the present invention can then calculate an inverse propensity score for the generated structural framework of the average effect based on a type of identified variable, a predetermined time associated with the identified variable, and a causal connection strength between the identified variables.Type: ApplicationFiled: July 28, 2021Publication date: February 9, 2023Inventors: Debarun Bhattacharjya, Dharmashankar Subramanian, Tian GAO, Nicholas Scott Mattei
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Publication number: 20220398452Abstract: A classifying neural network (CNN) obtains a mixed data set of a priori information and outcomes information for treated units and untreated units. Classify units as treated or untreated, by running the CNN on the a priori information. Deliver a latent representation of the classified units from an intermediate layer of the CNN to a self-organizing map (SOM) engine. Generate an SOM based on the latent representation. Train the CNN to optimize a combined total loss of the classification and of the SOM. Estimate average treatment effect on the treated units by comparing the outcome information of the treated units to outcome information for untreated units that are nearest-neighbors of the treated units on the SOM.Type: ApplicationFiled: June 15, 2021Publication date: December 15, 2022Inventors: Dharmashankar Subramanian, Tian GAO, Xiao Shou, Kristin Paulette Bennett
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Publication number: 20220360071Abstract: A surge protection device with a high breaking capacity includes a housing with at least two lead-out electrodes, and a voltage limiting device and a thermal tripping mechanism that are installed in the housing. The voltage limiting device includes a voltage limiter, a first electrode and a second electrode that are positioned and installed in an insulating cover. The thermal tripping mechanism includes a fixed assembly, a movable assembly and a thermal trigger device. The fixed assembly and the movable assembly form a plurality of displacement switches arranged in series. The thermal trigger device is disposed in linkage with the movable assembly and includes a metal trigger sheet, a fusible alloy and an energy storage member. One end of the metal trigger sheet is fixed on the movable assembly, and the other end of the metal trigger sheet is fixed on the second electrode through welding by the fusible alloy.Type: ApplicationFiled: July 6, 2020Publication date: November 10, 2022Applicant: XIAMEN SET ELECTRONICS CO., LTD.Inventors: Xianggui ZHANG, Tian'an GAO
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Publication number: 20220335270Abstract: Aspects of the present disclosure relate to knowledge graph compression. An input knowledge graph (KG) can be received. The input KG can be encoded to receive a first set of node embeddings. The input KG can be compressed into an output KG. The output KG can be encoded to receive a second set of node embeddings. A model for KG compression can be trained using optimal transport based on a distance matrix between the first set of node embeddings and the second set of node embeddings.Type: ApplicationFiled: April 15, 2021Publication date: October 20, 2022Inventors: Tengfei Ma, Manling Li, Mo Yu, Tian GAO, LINGFEI WU
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Publication number: 20220245508Abstract: An embodiment includes identifying, from a training dataset for training a model, a first unlabeled datapoint to present for labelling according to a first query strategy. The embodiment also includes issuing a query requesting a label for the first unlabeled datapoint. The embodiment also includes receiving a labeled datapoint in response to the query, the labeled datapoint comprising the first unlabeled datapoint as labeled by an oracle. The embodiment also includes generating a causal network based on labeled datapoints from the training dataset. The embodiment also includes receiving an instruction to modify the causal network. The embodiment also includes replacing the first query strategy with a second query strategy based on the instruction to modify the causal network. The embodiment also includes identifying, from the training dataset, a second unlabeled datapoint to present for labelling according to the second query strategy.Type: ApplicationFiled: February 2, 2021Publication date: August 4, 2022Applicant: International Business Machines CorporationInventors: Qingzi Liao, Bhavya Ghai, Yunfeng Zhang, Tian GAO
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Publication number: 20220245337Abstract: A set of sentences within a natural language text document are parsed, generating a word-level graph corresponding to a sentence in the set of sentences. Within the word-level graph using a trained entity identification model, a set of entity candidates are identified. From a set of graphs modelling relationships between portions of the set of sentences, a set of embeddings is generated. From a set of pairs of embeddings in the set of embeddings using a set of deconvolution layers, a set of links between entity candidates within the set of entity candidates is extracted. From the set of links and the set of entity candidates, an output graph modelling linkages between portions of the set of sentences within the natural language text document is generated.Type: ApplicationFiled: February 2, 2021Publication date: August 4, 2022Applicant: International Business Machines CorporationInventors: LINGFEI WU, Tengfei Ma, Tian GAO, Xiaojie Guo
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Patent number: 11354462Abstract: The disclosure provides a method and an apparatus for determining coping capability boundary information of an unmanned vehicle and an electronic device. A set of indicator combination for evaluating a coping capability of an unmanned vehicle to be tested in a preset driving scenario is obtained, where the indicator combination includes at least one indicator item and an expected value range of the indicator item; historical driving behavior information of the unmanned vehicle to be tested is obtained according to a scenario feature corresponding to the preset driving scenario and the indicator item; and coping capability boundary information corresponding to the indicator combination of the unmanned vehicle to be tested in the preset driving scenario is obtained according to the historical driving behavior information, which realizes the coping capability boundary of the unmanned vehicle corresponding to the indicator combination that need to be tested.Type: GrantFiled: September 6, 2019Date of Patent: June 7, 2022Inventors: Simin Sui, Tian Gao
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Publication number: 20220128596Abstract: The present disclosure provides a tip-enhanced Raman spectroscope system. The system includes a laser emitting unit, a laser excitation unit, a first dichroic beam splitter, a first Raman spectrometer, and a confocal detecting unit. The laser excitation unit includes a sample stage and a first scanning probe. The sample stage is configured to have a sample disposed thereon such that a first incident laser beam emitted from the laser emitting unit is transmitted to the sample to excite first scattered light. The first dichroic beam splitter is configured to split a first Raman scattered light from the first Rayleigh scattered light. The first Raman spectrometer is disposed on a first Raman optical path of the first Raman scattered light. The confocal detecting unit is disposed on a first Rayleigh optical path of the first Rayleigh scattered light to image the sample.Type: ApplicationFiled: January 11, 2022Publication date: April 28, 2022Inventors: ZHEN-DONG ZHU, SI-TIAN GAO, WEI LI
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Patent number: 11271820Abstract: A graphical event model method, system, and computer program product, include learning statistical and causal co-occurrence relationships among multiple event-types of data, requiring no complex input, and generating a representation that explains a mutual dynamic of the multiple event-types in a form of a graphical event model.Type: GrantFiled: November 23, 2018Date of Patent: March 8, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Debarun Bhattacharjya, Tian Gao, Dharmashankar Subramanian