Abstract: Systems and methods for constructing a scoring model and evaluating user credit. An example method for constructing a scoring model may comprise: collecting a plurality of sample datasets, each sample dataset comprising at least one characteristic variable and a corresponding characteristic value; for each characteristic variable, acquiring an interaction index of the characteristic variable with each of one or more other characteristic variables, and determining a clustering index of the characteristic variable according to the interaction indices; selecting a target characteristic variable from the at least one characteristic variable according to the clustering indices of the characteristic variables; dividing the plurality of sample datasets into a plurality of sample dataset subgroups according to the target characteristic variable and the corresponding characteristic value; and constructing a corresponding sub-scoring model for each of the sample dataset subgroups.

Abstract: A backlight unit, a display device, and a method for manufacturing a backlight unit are provided. The backlight unit includes a light guide plate including a main body and a first protrusion portion protruding from a side of the main body; a plastic frame provided at a periphery of the side of the light guide plate, wherein a side of the plastic frame proximal to the light guide plate has an engaging groove provided thereat, and the first protrusion portion of the light guide plate protrudes towards the plastic frame and is engaged in the engaging groove; and a light shielding structure provided on a light exit surface of the first protrusion portion, wherein an orthographic projection of the light shielding structure on the light exit surface of the first protrusion portion partially covers the light exit surface of the first protrusion portion.

Abstract: Disclosed are a method and apparatus for dynamically adjusting an SAR value, a mobile terminal, and a computer storage medium. The method for dynamically adjusting the SAR value is applied to the mobile terminal. The mobile terminal comprises a WiFi antenna used for connecting a WiFi network. The method comprises: monitoring the change of a cell or the change of a network type of the mobile terminal; when monitoring the change of the cell or the change of the network type of the mobile terminal, obtaining a working frequency band on which the mobile terminal currently camps; and adjusting the transmit power of the WiFi antenna according to a difference value between a pre-stored SAR value corresponding to the working frequency band and an SAR standard value.

Abstract: As part of neural network sensitivity analyses, base outputs of hidden layer nodes of a neural network model for non-perturbed variables can be reused when perturbing the variables. Such an arrangement greatly reduces complexity of the calculations required to generate outputs of the model. Related apparatus, systems, techniques and articles are also described.

Abstract: Disclosed herein are system, method, and computer program product embodiments for tracking shop information using blockchain. In an embodiment, a shop application system may gather information related to a shop using various sensors within the shop. For example, the shop application system may identify a flow rate of traffic within the shop or outside of the shop. The shop application system may securely transmit this information to a blockchain cloud platform to be stored onto a blockchain. The blockchain may also maintain store information from a client application system related to shop ownership or tenancy. In this manner, the blockchain may provide a public means for accessing transactions related to a shop as well as provide confidence in the information provided.

Abstract: A display frame structure and a display are disclosed. The display frame structure includes an integrally formed main body, where the integrally formed main body is provided with a first connecting portion and a second connecting portion, the first connecting portion is configured to connect a first component on a first side of the integrally formed main body, the second connecting portion is configured to connect a second component on a second side of the integrally formed main body that is opposite to the first side, and the integrally formed main body is also provided with a plurality of passage holes.

Abstract: The present disclosure provides compositions and methods for repairing cartilage defects.

Abstract: This application discloses a virtual machine (VM) hot migration method, an apparatus, and a storage medium. A method for virtual machine (VM) hot migration is described. Processing circuitry of a first host machine identifies that a memory block in a storage device of the first host machine is allocated to a virtual machine to migrate. Further, the processing circuitry determines whether the memory block is data-containing. When the memory block is data-containing, interface circuitry of the first host machine sends data in the memory block to a second host machine. When the memory block is not data-containing, the memory block is skipped for migration.

Abstract: Disclosed herein are system, method, and computer program product embodiments for vehicular telematics with virtual-reality monitoring capabilities. An example system may establish a data connection to a plurality of sensors corresponding to at least one component of a vehicle, retrieve status information corresponding to the at least one component of the vehicle, from the plurality of sensors, send the status information retrieved from the plurality of sensors to a data set, receive at least one result of predictive analytics performed with the data set, and generate output via an interface. Other embodiments may additionally place requests for new parts or service based on the at least one result of the predictive analytics. The data set may be a structured database or an unstructured cluster. Big data analytics may use simulations for predictions. Output may leverage virtual reality or augmented reality to improve ease of use and intuitiveness for any role of users.

Abstract: A computer-implemented method includes determining, by one or more processing devices, that a credit rating of a first user does not satisfy a permission condition of the service; generating, by the one or more processing devices, an assistance request shareable with at least a second user, the assistance request including a request for the second user to authorize use of a credit rating of the second user to endorse the first user; displaying assistance progress information representing a relative status with respect to a goal; receiving, by the one or more processing devices, information indicating the second user's authorization; and determining, by the one or more processing devices, an update to the relative status, the updated relative status being determined based on respective credit ratings of the first user and the second user.

Abstract: Disclosed herein are system, method, and computer program product embodiments for tracking shop information using blockchain. In an embodiment, a shop application system may gather information related to a shop using various sensors within the shop. For example, the shop application system may identify a flow rate of traffic within the shop or outside of the shop. The shop application system may securely transmit this information to a blockchain cloud platform to be stored onto a blockchain. The blockchain may also maintain store information from a client application system related to shop ownership or tenancy. In this manner, the blockchain may provide a public means for accessing transactions related to a shop as well as provide confidence in the information provided.

Abstract: A diffusion sheet, a backlight module and a double-sided display device are provided. A transflective layer is provided on one surface of a substrate layer. On one hand, a portion of the light incident from an opposite side of the substrate layer is transmitted to a first display panel via the diffusion sheet; on the other hand, another portion of the light is reflected back to the light guide plate and enters a second display panel on another side of the double-sided backlight module.

Abstract: At a serving end, modeling samples from a number of modeling scenarios are separately collected, where each modeling sample includes a scenario variable and several basic variables, and where the scenario variable indicates a modeling scenario that the modeling sample belongs to. A modeling sample set is generated by merging the modeling samples. An evaluation model is trained based on modeling samples in the modeling sample set to generate a trained evaluation model, where the trained evaluation model is universal, and where the trained evaluation model is configured to produce a score applicable to multiple service scenarios.

Abstract: A device for damping torsional oscillations, the device including at least one support capable of rotational displacement around an axis, at least one pendulum assembly, including at least one pendulum mass, the pendulum assembly being movable with respect to the support, at least one rolling member, each rolling member interacting with at least one first raceway defined by the support and with at least one second raceway defined by the pendulum assembly, the displacement of the pendulum assembly with respect to the support being guided by at least one of those rolling members, the device further including at least one friction member, carried by the pendulum assembly, for generating hysteresis in all or parts of the relative displacements of the pendulum assembly and the support.

Abstract: In an approach for controlling voltage, a computer obtains a magnitude of a current of a processing unit. The computer determines an optimized magnitude of a voltage based on the obtained magnitude of the current. The computer generates an updating instruction based on the determined optimized magnitude of the voltage. The computer supplies the generated updating instruction to the processing unit.

Abstract: A semiconductor device has a semiconductor wafer and a conductive via formed partially through the semiconductor wafer. A portion of the semiconductor wafer and conductive via is removed by a chemical mechanical polishing process. The semiconductor wafer and conductive via are coplanar at first and second surfaces. A first insulating layer and a second insulating layer are formed over the conductive via and semiconductor wafer. The first insulating layer includes an inorganic material and the second insulating layer includes an organic material. An opening in the first and second insulating layers is formed over the conductive via while a second portion of the conductive via remains covered by the first and second insulating layers. A conductive layer is formed over the conductive via and first insulating layer. An interconnect structure is formed over the conductive layer. The semiconductor wafer is singulated into individual semiconductor die.

Abstract: In an approach for controlling voltage, a computer obtains a magnitude of a current of a processing unit. The computer determines an optimized magnitude of a voltage based on the obtained magnitude of the current. The computer generates an updating instruction based on the determined optimized magnitude of the voltage. The computer supplies the generated updating instruction to the processing unit.

Abstract: Systems and methods are provided for location determination in wireless communication networks. A client device with a location provider installed is configured to provide location data to a data engine server and to obtain location service from a positioning engine server or the location provider itself. The location provider based on one or more components implements the reference data delivery function and the client location determination function. The data engine server is configured to process the location data received from one or more client devices and maintain a location database. The data engine server based on one or more components implements the reference data retrieval function, station position calculation function, reference data management function, and assistance data delivery function, as it interacts with the client device.

Abstract: Systems and methods are provided for positioning determination for mobile devices. A system includes: a database configured to store positioning data associated with one or more base stations in a network, and a data management component configured to compare the parameters with one or more parameter thresholds, and update the positioning data based at least in part on the comparison of the parameters and the parameter thresholds. The updated positioning data is used for positioning determination of a mobile device.

Abstract: Aspects of the disclosure provide a method. The method includes storing a database of positioning data. Each positioning data can associate position information of a location with an identifier of a wireless station for providing wireless connection at the location and a characteristic of a wireless signal received at the location. Further, the method includes receiving a position request from a wireless device that receives an identifier and a specific characteristic of a wireless signal from a specific wireless station, identifying the specific wireless station using the identifier to retrieve a group of positioning data from a database, selecting a subset in the group of positioning data using the specific characteristic, and determining position information of the wireless device using the selected subset of positioning data.