Peking University

Huawei Technologies Co., Limited

Schlumberger Technology Corporation

International Business Machines Corporation

Boe Technology Group Co., Ltd.

Tencent Technology (shenzhen) Company Limited

Eaton Intelligent Power Limited

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Shenzhen Skyworth-rgb Electronic Co., Ltd.

Puppy Electronic Appliances Internet Technology Beijing Co., Ltd

Services Petroliers Schlumberger

Geoquest Systems B.v.

Yun Ma

Gang Huang

Xuanzhe Liu

Jing Wang

Huaqian Cai

Jian Li

Yi Liu

Guangyu Sun

Xi Yang

Mengwei Xu

Meihua Yu

Yue Wang

Xi Chen

Yu Yang

Michael John Williams

Xiao Lin Zhang

Tongshang Su

Gang Tang

Yi Ke Wu

Wei Zhang

Tao Yu

Hai Gao

Song Ping Chen

Paul Bolchover

Xiaodong Wang

Xiong Zhao

Wen Guo

Shengping Du

Zhiwang Zhao

Lihua Liu

Jin Shan Li

Shuang Men

Chong Tan

Huai Long Zhang

Wubin Song

Chao Mu

Qifeng Shao

Shaoyong Su

Fulin Ni

Zhengfeng Huang

Chaoran Luo

Dongyan Zhang

Huoyuan Cai

Shuangping Hu

Xinyang Wang

Jiamei Huang

Xiang Jing

A method can include receiving well plan information for drilling at least a section of a well at a site; generating a set of candidate drillstring assemblies based at least in part on at least a portion of the well plan information and drillstring assembly component information; generating a proposed set of drillstring assemblies with performance indexes based at least in part on the set of candidate drillstring assemblies and engineering analysis information associated with the site; and generating a final drillstring assembly based at least in part on the proposed set of drillstring assemblies and the performance indexes.

Drillstring assembly framework

Handheld vacuum cleaner

A human-cyber-physical resource-oriented adaptive construction method and apparatus for a structured peer-to-peer (P2P) network are provided. The structured P2P network is a point-to-point network with physical perception information and can be effectively used in a human-cyber-physical fusion scenario. The method includes: using a grid aggregation algorithm to calculate the latitude and longitude coordinates of a new node to acquire a position hash value of the new node; determining, according to the position hash value, a registration node of the new node from the existing nodes of the structured P2P network; and completing, according to the information returned by the registration node to the new node, registration of the new node, thereby resulting adding of the registered new node into the structured P2P network.

Human-cyber-physical resource-oriented adaptive construction method and apparatus for structured P2P network

A method and system for accessing a digital object in a Human-Cyber-Physical environment are provided. A P2P network is established based on a distributed hash table (DHT); a Kademlia algorithm is used to establish a forward routing table corresponding to each node; and an index binary tree is established according to a logical distance between each node in the forward routing table and a target node. In a process of transmitting a message from a node of a storage digital object to a root node, all nodes that the message passes establish backward routing tables for the digital object, so that in a data query stage, target data may be found from any node through the forward routing table and the backward routing table, and a data identifier of a data entity in the DHT-based P2P network from a storage location of the data identifier may be decoupled.

Method and system for accessing digital object in human-cyber-physical environment

In an approach, a processor creates a local first Pod API object in a first lower Kubernetes cluster based on a first Pod API object in an upper Kubernetes cluster, where: the local first Pod API object includes internal and external network descriptions for a Pod described in the local first Pod API object, and the upper cluster manages the first and second lower Kubernetes cluster. A processor adds an annotation for the Pod to the local first Pod API object and the first Pod API object. A processor creates a local endpoint API object in the first lower cluster based on an endpoint API object in the upper cluster and annotations of Pods in the upper cluster. A processor redirects the first request to the endpoint of the second Pod described in the local endpoint API object.

Service access across Kubernetes clusters

A method of characterizing a subterranean geologic formation's response to hydraulic fracturing is presented. The method includes acquiring data representing a plurality of seismic events caused by hydraulic fracturing of the subterranean geologic formation, determining, by at least one electronic processor, a plurality of seismic event moment magnitudes for respective seismic events in the plurality of seismic events, estimating, by at least one electronic processor, a first parameter representing a negative slope of a line relating seismic event frequency to seismic event magnitude for at least some of the plurality of seismic events, estimating, by at least one electronic processor, a second parameter representing an axis intercept of the line, and characterizing the subterranean geologic formation based at least in part on the first parameter and the second parameter

Reservoir deformation estimation

A display substrate and a manufacturing method thereof are disclosed. The display substrate is divided to have a non-pixel region and a color pixel region. The manufacturing method includes: forming a thin film transistor (TFT) on a base substrate in the non-pixel region; forming a passivation layer on the TFT; forming a color filter on the passivation layer in the color Pixel region; forming a planarization layer on the passivation layer and the color filter; thinning a thickness of a portion of the planarization layer located in the color pixel region; and forming a display electrode on the planarization layer and connecting the display electrode to a drain electrode of the TFT through a via hole.

Display substrate and manufacturing method thereof

A trusted storage method and system based on a graph structure are provided. The method includes: in a process of initiating a transaction, randomly selecting, by each transaction initiating node, a plurality of witness nodes from a network for witnessing the transaction; packaging, by the witness nodes, transaction data generated by witnessing the transaction to generate blocks; randomly selecting, by the witness nodes, a plurality of storage nodes; sending, by the witness nodes, the blocks to the plurality of storage nodes; and storing, by the storage nodes, the blocks; wherein, for one transaction, all the blocks of all the witness nodes and all the storage nodes form a directed acyclic graph DAG structure. According to embodiments of the disclosure, the directed acyclic graph DAG structure is employed to be matched with an nRW consensus mechanism, so that a supervision problem in a large-scale sharing and exchanging process is solved.

Trusted storage method and system based on directed acyclic graph structure

A method for implementing a residential gateway service function, and a server are disclosed. The method may include: receiving, by a server, a data packet forwarded by a residential gateway (RGW) or a network side; identifying, by the server, a service type of the data packet according to information carried in the data packet; and providing, by the server, based on the service type of the data packet, a virtual residential gateway service for a user terminal connected to the RGW.

Method for implementing residential gateway service function, and server

A data-control-oriented program static analysis method includes: compiling and interpreting a code of a smart contract to generate a bytecode of the code of the smart contract; resolving a control-flow relation between instructions of the bytecode, and building and printing a control-flow graph according to the control-flow relation; adding a taint source in the smart contract to an analysis result of a starting block of the control-flow graph, traversing the control-flow graph, performing a data dependence analysis based on a taint analysis technique, continuously updating an analysis result of a basic block in the control-flow graph; predefining an expression form of an analysis result and a basic operation related to the analysis result for the static analysis, controlling an updating of the analysis result according to a definition, and returning a final analysis result; and according to the final analysis result, generating and returning an analysis report.

Data control-oriented smart contract static analysis method and system

A data-interoperability-oriented trusted processing method and system applied to a P2P network system are provided. The P2P network system includes a plurality of nodes. The trusted processing method includes a storage method and a query method. Firstly, a directed acyclic graph ledger structure is employed to be matched with an nRW consensus mechanism during a storage process, so that a supervision problem in a large-scale sharing exchange process is solved. Secondly, in a query process, a P2P network system is optimized by maintaining a tree structure with high fault tolerance and load balance through a hop optimization method to construct the P2P network system with a relatively balanced network, so that a query delay is not greatly influenced on the premise of ensuring the load balance, and an expandability of the system is ensured.

Data-interoperability-oriented trusted processing method and system

The invention discloses a resource optimization method for a mobile browser based on cloud-client cooperation. The present method includes: 1) set up a proxy server on the user's mobile terminal, set up a cloud server on the user's personal cloud; 2) mobile terminal proxy server receives and resolves the URL request from the browser, and if the mobile terminal proxy server resources have been cached URL corresponding to the request, or calculated by the URL matching algorithm there is a corresponding resource, the process directly returns the resource to the browser; otherwise, it sends the request to the cloud server; 3) the cloud server checks if the resource corresponding to the URL in the request has been cached; if the resource is cached, returning the resource to the proxy server; otherwise sending a request to the target website corresponding to URL in the resource request and returning the results to the proxy server; and 4) returning the result received by the proxy server to the browser in accordance with the structure of the HTTP response. The invention greatly improves the loading speed.

Method for optimizing resource loading at mobile browsers based on cloud-client cooperation

The present application discloses a method for assembling ANDROID application based on application content. The method includes: 1) a server captures page information of an ANDROID application and creates an index, and saves metadata and index information of the page to a database, wherein the metadata includes the page jump logic of the ANDROID application; 2) a client sends a keyword input by a user to the server; 3) the server obtains an application list matching the keyword from the database and returns the metadata corresponding to the application list to the client; 4) after a target ANDROID application is selected from the application list, the client launches the target ANDROID application and automatically jumps to the page corresponding to the keyword according to the page jumping logic of the target ANDROID application. The invention breaks the isolation of information and provides a more natural assembly service among ANDROID applications.

Method for assembling Android application based on application content

A UPS circuit, comprising a low frequency transformer (TX) and a battery (B), the low frequency transformer (TX) comprising a primary side winding, and a secondary side winding connected to the battery (B); the primary side winding is connected to a municipal power loop via a switching device (SW), and the switching device (SW) can operate in a chopping mode.

UPS circuit

Growing community of inventors

Beijing, China

Yun Ma