Abstract: A method of recommending an object, an electronic device, and a storage medium are provided. The method includes: determining, in response to receiving target user behavior data of a target user from a target client, a target object according to the target user behavior data and at least one candidate user behavior data corresponding to a plurality of candidate users; and sending the target object to the target client, so as to recommend the target object to the target user, where each of the candidate user behavior data is stored in a predetermined block chain, each of the candidate user behavior data corresponds to at least one of a plurality of block chain nodes contained in a block chain network, and each of the candidate user behavior data indicates a preference of a candidate user for at least one candidate object.

Abstract: An event notification method, an apparatus, a server device, and a computer storage medium are disclosed. The method includes: receiving an event subscription request; determining whether an amount of times that an event notification rule is satisfied is equal to K, and if yes, sending an event notification to at least one notified party in the plurality of notified parties; and after the initial notification is performed, determining whether the amount of times that the event notification rule is satisfied is equal to P, and if yes, sending an event notification to at least one notified party in the plurality of notified parties. The initial notification and the re-notification are performed at different times, and the at least one notified party notified in the initial notification is at least partially different from the at least one notified party notified in the re-notification.

Abstract: The present invention relates to the technical field of catalyst preparation, disclosing a preparation method and application of a coated vanadium-tungsten-titanium oxide monolithic SCR catalyst. The method includes the steps of mixing a vanadium oxide precursor, a tungsten oxide precursor, titanium dioxide, an inorganic adhesive, an organic adhesive and a macromolecular surfactant with deionized water and stirring them to obtain a thick liquid; adding a pH adjuster to the thick liquid to make its pH 1.5-4.5; impregnating a cordierite honeycomb carrier in the thick liquid to obtain a preliminarily-impregnated catalyst and dried and calcined the preliminarily-impregnated catalyst to obtain a finished catalyst. The method has advantages such as simple operation, easy repetition and short time-consuming, so it can be applied to exhaust gas post-treatment of a marine diesel engine, and provide a good choice for catalysts used to denitrify medium and high temperature exhausted gas from marine engines.

Abstract: A method and a device for operating instance resources are provided. The method includes receiving an operation request, acquiring an instance resource associated with the target resource according to an instance arranging property, executing the operation on the instance resource associated with the target resource, and transmitting an operation response. The operation request includes a type of an operation and a target resource.

Abstract: A data storage method, an apparatus, an electronic device, and a computer-readable storage medium. The method includes: detecting a mode switching behavior performed by an operator of a vehicle, the mode switching behavior being used to trigger switching a driving mode of the vehicle between a manual driving mode and an automatic driving mode; acquiring first data corresponding to the mode switching behavior, the first data including a vehicle identification of the vehicle, switching trigger information corresponding to the mode switching behavior and time information corresponding to the mode switching behavior; storing the first data to a blockchain network.

Abstract: An event subscription notification method, including: creating a subscription resource, the subscription resource including an event notification rule; determining whether subscribed data meets the event notification rule; and when the subscribed data meets the event notification rule, generating an event notification.

Abstract: The present disclosure provides an event notification method, a system, a server device, and a computer storage medium. The event notification method includes: receiving a subscription request from a subscriber, the subscription request includes at least one receiver for receiving event notifications; during a monitoring interval, determining whether a continuous event notification rule is satisfied; and in the case where the continuous event notification rule is satisfied, sending the event notification of the subscription request to the at least one receiver.

Abstract: The present disclosure relates to traffic information processing methods, including: receiving transaction information sent by a first vehicle, the transaction information carrying violation information of the target vehicle detected by the first vehicle; the smart contract being used to determine second vehicles to verify the transaction information, and sending the violation information to the second vehicles such that the second vehicles generate verification results based on the violation information; determining whether the target vehicle has violated traffic rules based on the verification results; if determining that the target vehicle has violated traffic rules, storing the violation information in the blockchain network.

Abstract: The present disclosure relates to a method, apparatus, system and storage medium for access control policy configuration. The method includes receiving a request for creating a target resource; determining, based on the request, whether an access control policy inheritance attribute is set for the target resource, the access control policy inheritance attribute indicating an inheritance relationship between access control policies of the target resource and its parent resource; and configuring the access control policy of the target resource according to a result of the determination. Thus, the efficiency of configuring an access control policy for a resource is improved.

Abstract: The present application discloses a method and apparatus for device configuration parameter processing, a method and apparatus for data analysis, a computing device, a computer-readable storage medium and a computer program product. The method for device configuration parameter processing includes: acquiring collection data of a collection device located at a target position, wherein the collection data is configured to be input into a content analysis model for the target position so as to obtain a content analysis result of the collection data, determining, based on the collection data, whether a current configuration parameter of the collection device has changed, sending, in response to the current configuration parameter of the collection device having changed, a preset configuration parameter for the target position to the collection device so as to adjust the current configuration parameter of the collection device based on the preset configuration parameter.

Abstract: A method for real-time data communication, an electronic device and a system are provided. A method for real-time data communication executed at an electronic device of a data receiver includes: publishing a resource pool contract to a blockchain network, the resource pool contract is configured to trigger an establishment of a resource pool including a first number of resources; establishing a data flow with each data provider corresponding to a second number of resources in the resource pool, the second number is less than the first number; and receiving real-time data transmitted by the data provider through the data flow.

Abstract: A data management method based on blockchain, a device, a blockchain network, and a system are provided. The data management method is applied to a plurality of blockchain network nodes, and includes: creating a data subscription contract, where the data subscription contract is configured for subscribing to a data provider; receiving a data acquisition request which includes data identification information of requested data; executing the data subscription contract to subscribe to the data provider for the requested data in the case where the requested data does not exist in the blockchain network; and receiving a transaction request including the requested data from the data provider, and writing the requested data into the blockchain network after passing a verification of the requested data.

Abstract: A resource access control method, including: in response to a modification instruction for a target resource, storing a target resource copy content file (S101), the modification instruction being configured to indicate modification of the target resource; and obtaining a target resource copy according to the target resource copy content file, the target resource copy being a resource obtained by modifying the target resource according to the modification instruction; and in response to an access request for the target resource, providing an access option (S102), the access option including an option for accessing the target resource and an option for accessing the target resource copy. Also provided is an electronic apparatus.

Abstract: Provided in the present application are an acoustic reinforcing material block and an application thereof, a micro loudspeaker and an electronic device. The raw materials of the acoustic reinforcing material block include a porous material, an adhesive, and an adjuvant loaded in a structural framework. The micro loudspeaker comprises an upper housing and a lower housing which form an inner cavity, and a loudspeaker unit located in the inner cavity, wherein the inner cavity is divided into a front cavity and a rear cavity, and the front cavity is in communication with a sound outlet hole; and a front cavity resonant cavity which is in communication with the front cavity and filled with an acoustic enhancing material is provided in the upper housing.

Abstract: The present disclosure provides a porous bulk material and an electronic apparatus thereof, and an apparatus capable of reducing wind noise and an application thereof. The apparatus comprises an external sound channel, a zeolite material, and a sound pickup hole, wherein the zeolite material is disposed between the external sound channel and the sound pickup hole. The present disclosure further provides an application of the apparatus in an electronic device provided with a microphone. According to the apparatus, the wind noise can be effectively reduced, and the call quality of a communication device is obviously improved.

Abstract: A method for data communication and an electronic device are provided. A method for data communication executed at an electronic device of a data transmitter includes: publishing a first contract to a blockchain network or signing a first contract published by a data receiver to the blockchain network, wherein the first contract includes a first method used to trigger transmission of data between a data transmitter signing the first contract and a data receiver signing the first contract, and a second method used to trigger determination of a value of the data; and transmitting the data to the data receiver according to the first contract.

Abstract: A data management method based on blockchain, a device, a blockchain network, and a system are provided. The data management method is applied to a plurality of blockchain network nodes, and includes: creating a data subscription contract, where the data subscription contract is configured for subscribing to a data provider; receiving a data acquisition request which includes data identification information of requested data; executing the data subscription contract to subscribe to the data provider for the requested data in the case where the requested data does not exist in the blockchain network; and receiving a transaction request including the requested data from the data provider, and writing the requested data into the blockchain network after passing a verification of the requested data.

Abstract: A data use control method comprises: (S12) receiving a data use request which comprises a target resource to be used; (S14) acquiring a use control policy of the target resource; and (S16) using the target resource according to the use control policy of the target resource. Further, a data use control system (10), an electronic device (20) and a storage medium (30) are also disclosed.

Abstract: The present application provides a method for resource guiding, a device for resource guiding, an apparatus and a computer storage medium, the method includes: acquiring, by a first receiver, a target request sent by a first requester, the target request carries resource information and a target address, the target address includes a virtual resource address, and the resource information includes recommendation information; and acquiring, by the first receiver, the recommendation information according to the virtual resource address, and determining an action executor according to the virtual resource address, the recommendation information is used for recommending a next action to be executed for the action executor.

Abstract: The present disclosure provides a method for data storage, a general service entity device, and a storage medium. The method for data storage includes: by adopting a general service entity, receiving data sent by an application entity; performing a lock setting or an overflow setting; selecting a retention strategy for previously stored data according to the lock setting or the overflow setting in the case of satisfying a data overflow condition; and storing part or all of received data according to the retention strategy.