Abstract: Embodiments of the disclosure provide systems and methods for positioning a gateway of an architecture. The method may include determining a trajectory of a mobile device based on motion data acquired by the mobile device and a movement model, acquiring a first end position of the trajectory of the mobile device, detecting that the mobile device enters or exits the architecture, and determining a second end position of the trajectory upon the detection as the position of the gateway.

Abstract: The present disclosure relates to systems and methods for allocating service requests. The systems may obtain service request information associated with a service request to be allocated and provider information associated with each of a plurality of candidate service providers. The systems may also determine a matching degree of each of the plurality of candidate service providers based on the service request information and the provider information. The systems may determine the matching degree based on a probability of accidents which may be predicted based on a prediction model. The systems may further determine a target service provider based on the matching degree of each of the plurality of candidate service providers and allocate the service request to the target service provider.

Abstract: The present disclosure relates to systems and methods for processing traffic objects. The systems may receive detection information associated with a plurality of traffic objects within a predetermined range of a vehicle; extract feature values of a plurality of features of each of the plurality of traffic objects from the detection information; obtain a plurality of feature weights corresponding to the plurality of features of each traffic object; and determine a priority queue associated with the plurality of traffic objects based on a plurality of priority values, each corresponding to each traffic object, wherein the priority value is based on the plurality of feature weights and the feature values of each traffic object.

Abstract: A face image processing method and apparatus, an electronic device, and a storage medium are provided. The method includes: obtaining face key points and a face deflection angle in a face image; determining a submalar triangle center in the face image according to the face key points and the face deflection angle; determining a submalar triangle region in the face image according to the face key points and the submalar triangle center; and performing color filling on the submalar triangle region. By means of the present disclosure, a submalar triangle region can be accurately positioned, and submalar triangle filling is performed based on the accurately positioned submalar triangle region, thereby obtaining a more natural filling effect.

Abstract: The present disclosure relates to systems and methods for determining a driving path in autonomous driving. The systems may obtain a plurality of candidate driving paths; obtain one or more coefficients associated with the plurality of candidate driving paths based on a trained coefficient-generating model; determine a travel cost for each of the plurality of candidate driving paths based on the on one or more coefficients; and identify a target driving path from the plurality of candidate driving paths based on a plurality of travel costs corresponding to the plurality of candidate driving paths.

Abstract: The present disclosure provides a semantic understanding based emoji input method and device, and relates to the input method technology field. The method includes: obtaining a text content according to an input sequence; performing word segmentation on the text content, and extracting text features based on the word segmentation result; constructing an input vector using the text features, performing classification using an emotion classification model to determine an emotion label of the text content; based on a correspondence relationship between the emotion label and emojis of various themes, respectively obtaining an emoji corresponding to the emotion label from each of the various themes; sorting the obtained emojis of the various themes, and displaying the sorted emojis as candidate options in a client. The disclosed invention facilitates users to input an emoji, enhances emoji input efficiency, and provides users with rich and wide scope of emoji resources.

Abstract: A method and an apparatus for operating a service object, and an electronic device include: obtaining first person's behavior data; generating a first service object control instruction corresponding to the first person's behavior data; and sending the first service object control instruction to a second terminal, so that the second terminal displays a service object based on the first service object control instruction; receiving a first service object control instruction sent by a first terminal; generating a second service object control instruction corresponding to second person's behavior data, the second person's behavior data being obtained by the second terminal; and displaying a service object based on the first service object control instruction and the second service object control instruction; thereby enriching the interaction modes between terminals, improving interaction flexibility, and satisfying interaction requirements for a first terminal user and/or a second terminal user.

Abstract: Systems and methods for displaying map information in a display region on a terminal device are disclosed. The system may include a processor and a display coupled to the processor. The processor may be configured to identify a display element in the display region. The processor may be further configured to receive position information of at least one map element, and identify a map portion to be displayed based on the position information, the map portion including the at least one map element. The processor is also configured to position the map portion in the display region such that the display element does not overlap with the at least one map element. The display may be configured to display the display region.

Abstract: An integrated hole sealing, device includes a capsule plug, an outer capsule having a first hole site, an inner capsule having a second hole site, a capsule water injection pipe, a borehole water injection pipe and a tapered plug. Two ends of the outer capsule and the inner capsule are respectively fixed on the capsule plug and the tapered plug. The capsule plug, the tapered plug, the outer capsule and the inner capsule form a closed hollow cylindrical cavity. A middle part of the inner capsule is a hollow pipeline, and two ends thereof respectively correspond to the first and second hole sites. The borehole water injection pipe passes through the hollow cylindrical cavity. A part, located in the hollow cylindrical cavity, of the borehole water injection pipe is telescopically wound outside the inner capsule. The capsule water injection pipe passes through the capsule plug and extends into the hollow cylindrical cavity.

Abstract: A multi-stage combustion impact wave coal mass cracking and heat injection alternating intensified gas extracting method is provided. A large amount of N2 or CO2 is injected into a drill hole by a heat injection and gas injection extracting pipe and by a high-pressure gas cylinder and a reducing valve, then a certain amount of methane and dry air are injected into a high-temperature and high-pressure combustion chamber by the high-pressure gas cylinder and the reducing valve, to be mixed and combusted to form high-temperature and high-pressure impact wave. High-temperature vapour is injected into the drill holes by the heat injection and gas injection extracting pipe to promote desorption of the coal masses.

Abstract: A method for controlling traffic lights is provided. The method may include obtaining historical track data of a plurality of vehicles. The method may include obtaining a congestion period. The method may include determining a discharge speed during the congestion period based on a portion of the historical track data corresponding to the congestion period. The method may further include determining an offset value based on a length of the road, the discharge speed, a cycle length of a first traffic light at the downstream intersection, a cycle length of a second traffic light at the upstream intersection, and a time length of a green light of the second traffic light being lit, and determining a signal timing of the second traffic light based on the offset value.

Abstract: A face unlocking method includes: performing face detection on one or more images; performing face feature extraction on an image in which a face is detected; performing authentication on extracted face features based on stored face features, wherein the stored face features at least comprise face features of face images of at least two different angles corresponding to a same identity (ID); and performing an unlocking operation at least in response to the extracted face features passing the authentication.

Abstract: A method and system for determining a heading of a vehicle. The method may include receiving, from a mobile computing device, a request for determining the heading of the vehicle. The method may also include retrieving, at least in response to the request, sensor data generated by a magnetometer of the mobile computing device within one or more first time slots, and obtaining a classifier trained to determine a predicted heading of the vehicle. The method may further include, for the sensor data of each of the one or more first time slots, obtaining a feature vector by extracting features from the sensor data, and determining, based on the obtained feature vector, a predicted heading by inputting the feature vector into the classifier. The method may also include determining the heading of the vehicle based on the obtained one or more predicted headings.

Abstract: A method comprises: obtaining historical vehicle service data in an area for a time period including historical locations of passenger-seeking vehicles with respect to time, historical locations of passenger orders with respect to time, and historical trip fares with respect to pick-up locations and time; discretizing the area into a plurality of zones and discretizing the time period into a plurality of time segments; aggregating the historical vehicle service data according the zones and time segments; obtaining an expected reward for a passenger-seeking vehicle to move from zone A to each neighboring zone of the zone A based on the aggregated historical vehicle service data; and obtaining a probability of a passenger-seeking vehicle moving from zone A to a neighboring zone B based on the expected reward for the passenger-seeking vehicle to move from zone A to the each neighboring zone of the zone A.

Abstract: The present disclosure relates to systems and methods for generating a control parameter associated with a plurality of traffic lights for a plurality of traffic-regulated sections at an intersection. The system may perform the methods to obtain a plurality of traffic parameters for the plurality of traffic-regulated sections; determine a traffic status of the intersection based on the plurality of traffic parameters; determine a target condition based on the traffic status of the intersection; and generate a control parameter associated with the plurality of traffic lights by using a target function, wherein the control parameter is configured to alter the operation of the plurality of traffic lights to optimize traffic at the intersection to reach the target condition.

Abstract: An anti-inflammatory combination for improving nutrient metabolisms, intestinal functions and intestinal microecology and an anti-inflammatory food containing the anti-inflammatory combination are disclosed. The anti-inflammatory combination includes inulin, galacto-oligosaccharide, polydextrose, and a water-insoluble dietary fiber. Furthermore, a weight ratio of inulin, galacto-oligosaccharide, polydextrose and water-insoluble dietary fiber is 10-30:5-30:10-40:10-50. The anti-inflammatory food includes cereal flour, and the ratio of the cereal flour to the anti-inflammatory combination is 65-95:35-5. The anti-inflammatory combination is capable of reducing intestinal permeability, blood endotoxins, heavy metals and inflammatory factors, enhancing immunity, improving intestinal microecology and body biochemical indicators, and preventing chronic diseases.

Abstract: The present disclosure relates to systems and methods for processing GPS information associated with a plurality of vehicles. The system may perform the methods to obtain GPS information associated with the plurality of vehicles; determine driving track information of the plurality of vehicles based on the GPS information, wherein the driving track information comprises time point information, coordinate information, and speed information of each individual vehicle in the plurality of vehicles; determine a reference point of a traffic-regulated section based on the driving track information; and determine a length of a queue for the traffic-regulated section based on the reference point and the driving track information.

Abstract: The present disclosure relates to systems and methods for updating and load an application installed in a terminal device. The system may perform the methods to transmit an update notice of the application to the mobile device; and provide a resource installation package to the mobile device upon a response from the mobile device to the update notice. The application includes a shell and a pre-update plugin, and the shell includes a plugin engine. The resource installation package is configured to direct the application to use the plugin engine in the shell to utilize components of the resource installation package to update the pre-update plugin without attaining approval from an application store platform.

Abstract: The present disclosure relates to systems and methods for determining a fee of a service request in an on-demand transportation service. The systems may perform the methods to receive a service request from a terminal; determine an estimated basic fee of the service request; generate an estimated adjusting rate of fee corresponding to the estimated conversion rate of transaction; generate an estimated conversion rate of transaction associated with the service request by a prediction model; obtain a function value of a target function, wherein the target function relates to the estimated basic fee, the estimated conversion rate of transaction, and the estimated adjusting rate of fee; and determine an optimized adjusting rate of fee by repeating one or more steps above and comparing the function values, wherein the optimized adjusting rate of fee maximizes the function value of the target function.