Abstract: This application discloses a two-dimensional code identification method, device and a mobile terminal. The two-dimensional code identification method comprises: sensing a capture operation performed by a user on an application interface, the application interface containing a two-dimensional code; in response to the sensed capture operation, capturing an image of the application interface; scanning the image to obtain two-dimensional code information of the two-dimensional code contained in the image.

Abstract: The disclosed embodiments relate to a content-recommendation method and apparatus, an electronic device, and a system. The method comprises: searching, by a recommendation system according to a determined tag, a content database for content matching the tag; and recommending, by the recommendation system, the matching content to a user corresponding to the tag. Content in the content database is determined according to first-type content acquired by an internal-operation system by means of matching and second-type content acquired by an external-operation system by means of matching.

Abstract: A blockchain consensus method may comprise: acquiring transaction data; and distributing, according to a preset distribution rule, the transaction data to at least one consensus unit in a consensus unit set, causing the at least one consensus unit to perform consensus processing on the distributed transaction data.

Abstract: Embodiments of the application provide a method and device for training a cash-return recognition model and a method and device for cash-return recognition, the training method comprises: acquiring first transaction information of a first transaction and a first cash-return label value of the first transaction; calculating a first cash-return predictive value for the first transaction, and a Q-value's label value corresponding to the first transaction information and the first cash-return predictive value; and training a Deep Q-Network (DQN) by adjusting parameters of the DQN such that an absolute value of a difference between a first Q-value's predictive value output by the trained DQN and the Q-value's label value is smaller than that between the first Q-value's predictive value output by the untrained DQN and the Q-value's label value, the first Q-value's predictive value obtained by inputting the first transaction information and the first cash-return predictive value to the DQN.

Abstract: One embodiment of the present disclosure provides a system and method for determining a decision-making strategy. During operation, the system can obtain sample data corresponding to a service. The system can pre-determine, based on the sample data and the service, a basic parametric shape model and can generate a plurality of shape parameters for the basic parametric shape mode. The system can then generate one or more parametric shape models with different shapes based on the plurality of shape parameters. The system can determine goodness-of-fit of the one or more parametric shape models with respect to a pre-defined decision-making strategy. Next, the system can in response to determining that the goodness-of-fit of at least one parametric shape model satisfies a set of objectives, outputting the at least one parametric shape model as an optimum decision-making strategy for the service.

Abstract: A resource processing method and apparatus. The method is achieved by a computer configured to execute the following steps: generating a resource allocation chart based on a resource allocation request; processing the resource allocation chart and generating an access entrance of the resource allocation chart; opening the access entrance to enable at least one third party resource supplier to respond to the resource allocation request via the access entrance. The method further comprises: when the resources are not available or not suitable for allocation, receiving a resource allocation chart, wherein the resource allocation chart is based on the resource allocation request; generating an access entrance of the resource allocation chart; opening the access entrance to at least one third party resource supplier; and receiving the allocated resources from the at least one third party resource supplier by responding to the resource allocation request through the access entrance.

Abstract: A method for implementing visualization of public welfare activities includes: displaying to a target user a map of a geographic region for carrying out a public welfare activity in response to the target user's selection, wherein the map comprises a first geographic location associated with a first icon indicating that the public welfare activity has been carried out at the first geographic location and a second geographic location associated with a second icon indicating that the public welfare activity is able to be carried out at the second geographic location; when a relationship exists between the target user and a public welfare activity participant user that has carried out the public welfare activity on the map, displaying on the map user information of the public welfare activity participant user; updating the second icon to be a first icon in response to the target user's selection on the second icon.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for generating digital marks. One of the methods includes: obtaining entity information of an entity; transmitting the entity information to one or more nodes of a blockchain for storage in the blockchain; obtaining a transaction identification associated with storing the entity information in the blockchain; and generating a digital mark for the entity based at least on the transaction identification.

Abstract: A method for allocating virtual articles comprises: receiving at least two acquisition requests directed at a virtual article packet, and respectively recording receiving times of the acquisition requests, wherein the virtual article packet comprises one or more virtual article sub-packets; allocating acquisition sequence numbers respectively to the acquisition requests according to a sequential order of the receiving times of the acquisition requests; and allocating the virtual article sub-packets according to the acquisition sequence numbers for the acquisition requests corresponding to the acquisition sequence numbers, and sending virtual articles in the virtual article sub-packets to users corresponding to the acquisition requests.

Abstract: Embodiments of the present disclosure provide a service-verification method and apparatus, wherein the method comprises: respectively receiving service parameters sent by a same user account on different terminals, respectively calculating corresponding service data according to the service parameters sent by each terminal; storing a plurality of corresponding relationships, each corresponding relationship comprising: service parameters sent by one terminal and corresponding calculated service data; when a service-processing request sent by any one of the different terminals is received and the service-processing request carries a target service parameter and target service data used in a current service, obtaining service data corresponding to the target service parameter according to the corresponding relationships; and acquiring a verification result according to a comparison between the obtained service data and the target service data.

Abstract: Disclosed are a data sample label processing method and apparatus.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for allocating resources are provided. One of the methods includes receiving a first request from a first client for accessing a server, wherein the first request includes token information corresponding to resource information of a second client; determining, according to the token information included in the first request, the resource information of the second client corresponding to the token information; receiving resource allocation information from the first client; and allocating resource according to the resource allocation information from the first client and the resource information of the second client.

Abstract: One embodiment provides a method and system for recommending content to users. During operation, the system can select a content piece from a content library and extract, by a computer using a natural language processing (NLP) technique, one or more keywords from the content piece. The system can determine a domain associated with the content piece based on the extracted keywords and obtain domain knowledge of the determined domain. The system can generate a feature tag for the content piece based on the extracted keywords and the obtained domain knowledge, and generate an attribute tag for a user based on historical data associated with the user. The system can then recommend one or more content pieces from the content library to the user based on feature tags associated with the one or more content pieces and the attribute tag for the user.

Abstract: A payment method, apparatus, and device are provided. The method includes: determining, according to geographical location information of a user, a third-party payment institute corresponding to the user's location, obtaining, through a payment server, a payment account of the third-party payment institute compatible for a local transaction, and scanning a barcode to complete a payment using the payment account. During the payment process, a DOI including information of the payment account is presented to a merchant, and the merchant extracts the payment account therein, and forwards order information and the payment account to the third-party payment institute. The third-party payment institute identifies the payment account and forwards the same to the payment server. The payment server identifies a user identity corresponding to the payment account, and then completes the payment process.

Abstract: A method and an apparatus for identifying a transaction risk are disclosed. The method includes obtaining risk identification information of a sub-network to which a node relating to a transaction to be identified belongs; and identifying a risk of the transaction to be identified based on the risk identification information of the sub-network to which the node relating to the transaction to be identified belongs, wherein the sub-network is a network acquired by partitioning a relationship network based on connectivity, the relationship network is a network built up with entities and activities relating to a plurality of transactions.

Abstract: A foundation framework resource of a first service function is loaded in a software application. A service request for starting the first service function in the software application is received. A page resource required by the first service function is loaded. The first service function is implemented based on the foundation framework resource of the first service function and the page resource.

Abstract: Disclosed are an identity authentication, number saving and sending, and number binding method, apparatus and device.

Abstract: A method for accessing a service system includes: receiving fingerprint information of a to-be-verified terminal device and identification information of a to-be-verified user from a login computer system based on a service access instruction to access the service server; verifying, according to the fingerprint information of the to-be-verified terminal device and the identification information of the to-be-verified user, whether the to-be-verified terminal device is a specified device of the to-be-verified user based on a specified device database, the specified device database comprising identification information of each user and fingerprint information of a specified device of each user; determining, according to a result of the verifying, whether to allow the login computer system to access the service server according to the service access instruction; and if yes, sending a notification to the login computer system to enable the login computer system to access the service server.

Abstract: Privacy protection methods, systems, and apparatus, including computer programs encoded on computer storage media, are provided. One of the methods is performed by a second computing device and includes: receiving a data request for object data from a first computing device, wherein the object data is associated with an object and is stored in the second computing device; performing encryption of the object data using a public key associated with the object based on the data request to generate a first ciphertext; obtaining verification data based on the first ciphertext for verifying whether a ciphertext to be verified corresponds to the object data; and sending the verification data to the first computing device for the first computing device to execute a cryptography protocol with a third computing device based on the verification data.

Abstract: Methods, system, and apparatus, including computer programs encoded on computer storage media for data processing are provided. One of the methods includes: establishing a logic contract of a blockchain and one or more data contracts corresponding to the logic contract; deploying the logic contract and the one or more data contracts in the blockchain; storing data of a target block in the blockchain into the one or more data contracts; computing a hash value of each of the one or more data contracts; and determining a hash value of the target block in the blockchain based on the hash value of each of the one or more data contracts.