Hangzhou Jindoutengyun Technologies Co., Ltd.

Alibaba Group Holding Limited

Joulwatt Technology Co., Ltd.

Advanced New Technologies Co., Ltd.

Zhejiang University

Alipay (hangzhou) Information Technology Co., Ltd.

Hangzhou Geo-chip Technology Co., Ltd.

Yang Yang

Jie Ding

Yu Ying Wang

Zhou Ye

Qingkai Mao

Fan Chen

Jian Qiao Sun

Kai Chen

Lei Wang

Pitleong Wong

Min Chu

Yang Zhao

Xinguo Li

Lei Hou

Chun Geik Tan

Xiangyong Xu

Sy-Chyuan Hwu

Ke Cheng Liu

Lu Yuan

Yining Chen

Jiqiu Xu

Mengyi Huang

Ruili Wu

Yongfeng Liu

Jinwei Feng

Yi Wang

Jian Du

Pu Duan

Xuan Zhang

Ren Gang Peng

Weiguo Zhu

Bing Jing Xu

Xiao Ling Liao

Jing Ming Tang

Liping Chen

Aijun Zhang

Tingjin Wang

Yuzhuo Li

Zhenyu Qi

Haibo Sun

Zhisong Fu

Nannan Du

Benyu Zhang

Jun Qi

Shunde Cao

Kefeng Yu

A processing method for secure access to a resource access server connected to one or more resources by means of a resource client comprises: registering the resource and determining a resource identifier corresponding to the resource; receiving a resource confirm request carrying the resource identifier from the resource client; at least confirming that the resource identifier is valid, and in response to the resource confirm request, providing a resource access channel connection message to the resource client; receiving a resource access request of a user for accessing a target resource; in response to a resource access channel establishment request initiated by the resource client according to the resource access channel connection message, establishing a resource access channel between the resource access server and the resource client; and in response to the resource access request, allowing access to the target resource by means of the resource access channel.

Processing method and an electronic equipment for securely accessing roaming resources

Implementations of this specification provide query optimization methods, apparatuses, and systems for secure multi-party databases. In an implementation, a method includes: receiving a current query associated with a plurality of target database of a multi-party database system, generating a plurality of execution plans for the current query, determining, for each execution plan, a respective cost computation formula of a plurality of cost computation values for computing an execution cost of jointly executing the execution plan by the plurality of target databases, receiving a secure computation result from each of a plurality of query engines corresponding to the plurality of target databases, and determining an optimal execution plan having a lowest cost value in the plurality of cost computation formulas based on the secure computation result.

Query optimization methods, apparatuses, and systems for secure multi-party database

A frequency regulating circuit for a switching circuit, a frequency regulating method, and the switching circuit are provided. The frequency regulating circuit includes a charging current generating module configured to receive a first signal characterizing an output power and a second signal characterizing an input voltage to generate a charging current and a signal generating module configured to output a third signal according to the charging current. The third signal is used to adjust the maximum operating frequency of the switching circuit so that the maximum operating frequency decreases with the increase of the input voltage. Therefore, the frequency regulating circuit increases the maximum operating frequency of the switching circuit under the condition of low voltage input, which decreases the maximum operating frequency of the switching circuit under the condition of high voltage input to reduce the switching loss of the switching circuit with wide input voltage and improve efficiency.

Frequency regulating circuit, frequency regulating method and switching circuit

Disclosed are a resource management method and a computing system. The resource management method comprises: creating a first user application resource library, and when a first user operates a first application, allowing the first application to access the first user application resource library; creating a third user application resource library, and when the first user operates a second application, allowing the second application to access the third user application resource library; and in response to a management operation performed by the first user on resources in the first user application resource library, directly or indirectly transmitting the resources in the first user application resource library to the third user application resource library. Independent resource libraries are configured according to applications operated by users, such that both resource isolation and resource sharing are realized.

Resource management method and computing system

The disclosure relates to a network resource access intermediary system based on resource plug-ins and a processing method therefor. The network resource access intermediary system based on resource plug-ins comprises an access intermediary base module and a resource plug-in in a communication connection with the access intermediary base module, wherein the access intermediary base module is used for receiving a resource access request, selecting a corresponding resource plug-in according to a target resource corresponding to the resource access request, and accessing the target resource through the selected resource plug-in; and the resource plug-in is adaptable to the target resource to complete access to the target resource. The workload of adapting an access intermediary to new resources is reduced for access intermediary developers, and an access intermediary that has been deployed and is in continuous operation can be upgraded and updated without affecting existing resource access.

Network resource access intermediary system based on resource plug-ins and processing method therefor

An operational amplifier, any of a pair of amplification circuits of its output-stage amplification circuit unit comprises: a first and second transistors, a capacitor and a DC bias circuit; a control electrode of the first transistor is connected with a corresponding output terminal of a preceding-stage amplification circuit unit, a first electrode thereof is connected with a first power terminal and a second electrode thereof is connected with an output terminal of an amplification circuit of the output-stage amplification circuit unit; an output terminal of the DC bias circuit is connected with a control electrode of the second transistor, a first electrode of which is connected with a second power terminal, and a second electrode thereof is connected with the output terminal; both ends of the capacitor are respectively connected with the control electrodes of the first and second transistors; and the first and second transistors are of opposite polarities.

Operational amplifier and electronic system

Disclosed is a method for processing network resource access requests. The method comprises: receiving a resource access request and acquiring resource access request information; extracting user information and target resource information from the resource access request information, and requiring to establish a corresponding access mediator instance according to the user information and the target resource information; establishing the access mediator instance; and initiating an access to a target resource correspondingly by using the access mediator instance according to the resource access request information received by the access mediator instance. The network security is improved greatly.

Method and system for processing network resource access requests, and computer device

An application platform comprises: a user interface used for realizing interaction with users; an application container connector used for accessing an application container instance according to an interactive operation performed by the users through the user interface; at least one application container instance comprising an application, an application connector interface connected to the application container connector, a user data interface connected to a user data set, and a base system environment and dependency for running the application, wherein after being started, the application container instance receives an access from the application container connector through the application connector interface and accesses user data corresponding to the application through the user data interface; and the user data set used for storing user data to be accessed by the application container instance. All applications are mutually independent, and in presence of a malicious application, other applications can run normally without being affected.

Application platform and application management method

An audio signal processing apparatus is provided by the present disclosure, and includes: multiple microphones; and every two of the multiple microphones being arranged in close proximity to each other, and the multiple microphones forming a symmetrical structure.

Audio signal processing apparatus and method

A mobile device-based digital work system comprises a dock and mobile device which are configured locally, and a network server configured in a network, wherein the dock is fixedly configured locally; the mobile device is in a communication connection with the dock and is equipped with a client capable of communicating with the network server; the client sends an identifier of the dock and user information input by a user to the network server on one hand, and sends a resource access request to the network server on the other hand; the network server returns corresponding work resources to the client according to the received identifier of the dock, the user information and a preset access policy, as a response to the resource access request. The granularity of management of the system can be improved, and management vulnerabilities are avoided to the maximum extent.

Mobile device-based digital work system and method

A flyback switching circuit and control method thereof is disclosed, by setting a reference value greater than zero configured for controlling a turn-off time of a first transistor of the flyback switching circuit, a drain-source voltage of a main power transistor of the flyback switching circuit is consistent with the reference value greater than zero before the main power transistor is turned on, so that a turn-on power consumption of the main power transistor is reduced and a system efficiency is improved.

Flyback switch circuit and control method thereof

The present application discloses a woody rootstock for efficient grafting of solanaceous vegetables and an efficient grafting and seedling culture method thereof. According to the present application, a woody rootstock clone with high consistency is provided through tissue culture, efficient grafting is completed through sleeve grafting technology, and the grafting survival rate is improved by regulating the healing environment. A new idea for efficient industrial grafting of solanaceous vegetables is provided, scions are imparted with new features through distant grafting, and the problems of low grafting efficiency and low survival rate are solved. The method has the advantages of strong operability, simplicity, high efficiency and low cost, and provides a technical support for the industrial production of grafted seedlings of solanaceous vegetables.

Woody rootstock for efficient grafting of solanaceous vegetables and efficient grafting and seedling culture method thereof

The invention relates to the technical field of network security, in particular to a network resource access system and method, a user portal, and a resource portal to isolate users from network resources to reduce unnecessary information disclosure, thus reducing security risks. According to the technical solution, the resource portal acquires resource information associated with the resource portal according to a configuration from an administrator or from a third party, as well as a list of user portals capable of communicating with the resource portal, receives a second access request sent from a user portal in the list of user portals, generates a third access request according to the second access request, and then sends the third access request to a target network resource server.

Network resource access system and method, user portal and resource portal

Syntax parsing on a SQL statement is performed to determine whether an extended syntax identifier exists in the SQL statement, where the extended syntax identifier indicates a target computing service for the SQL statement. It is determined that the extended syntax identifier exists in the SQL statement. A computing service description statement in a first statement format is generated based on the SQL statement, where the first statement format is a statement format that can be recognized by a target computing framework. The computing service description statement is submitted to the target computing framework. Data queried by the SQL statement is invoked, in the target computing framework based on the computing service description statement, to perform target computation, where the SQL statement includes a computing element needed by the target computing service.

Solution for implementing computing service based on structured query language statement

The invention relates to the technical field of network security, in particular to a distributed network source security access management system and a user portal for reducing system security risks and improving system flexibility. The distributed network source security access management system includes a policy management module, a user management module, a user access module, a resource management module, and a resource access module. The resource management module is used for managing network resources and transmitting the network resource information and a connection relation between the network resources and the resource access module to the policy management module. The resource access module acquires user access module information and network resource information associated with the resource access module from the policy management module, receives a second access request, converts the second access request to generate a third access request, and sends the third access request to a target network resource server.

Distributed network resource security access management system and user portal

Growing community of inventors

Hangzhou, China

Yang Yang