Abstract: A validity determination apparatus according to one embodiment includes: circuitry configured to acquire a natural sentence; output a semantic representation by executing semantic parsing with the natural sentence as an input; calculate a first alignment score representing a relationship between input/output tokens of the natural sentence and the semantic representation; calculate a second alignment score of a word unit from a relationship between a token included in the input/output tokens and a word; extract natural sentence content words by executing part-of-speech parsing on the natural sentence; a grammar parser configured to extract semantic representation content words by executing grammar parsing on the semantic representation; and determine whether the semantic representation is valid on the basis of the second alignment score, the natural sentence content words, and the semantic representation content words.

Abstract: The present application describes memory systems, hosts, electronic devices and operation methods, and computer-readable storage media. An example memory system includes: a memory device; a multi-mode circuit having data computing and processing capabilities and configured to: provide a main functional service when in a busy state, and provide an additional functional service when in an idle state, the main functional service including implementation of normal access operations to data stored in the memory device, the additional functional service including implementation of computing services other than the normal access operations to the data stored in the memory device; and a processor coupled to the memory device and the multi-mode circuit and configured to control the memory device and the multi-mode circuit.

Abstract: The present disclosure provides a method and apparatus for predicting while drilling using seismic and drilling data in a target stratum, the method includes: generating depth-domain geological stratification data based on two-dimensional drilling data and one-dimensional logging data to construct a time-depth pairs dictionary; determining a first contribution degree corresponding to GST characteristic attribute data, a second contribution degree corresponding to amplitude energy attribute data and a third contribution degree corresponding to attenuation attribute data, and constructing initial seismic drilling data characterized by a multivariate and multi-type composite attribute; obtaining real-time two-dimensional data while drilling, obtaining an updated first contribution degree, an updated second contribution degree and an updated third contribution degree, and obtaining seismic and drilling prediction data of the target stratum characterized by the multivariate and multi-type composite attribute.

Abstract: A display substrate and a display device. The present display substrate includes a first to a third display region. The first display region includes first pixel repeating units, and allows light from the first side to at least partially penetrate to the second side. The second display region includes second and fourth pixel repeating units. The third display region includes third pixel repeating units. Each first pixel repeating unit is electrically connected to the corresponding fourth pixel repeating unit by means of t transparent connecting traces. The pitch of the first and second pixel repeating units is b1, and the pitch of the third pixel repeating units is b2, the pitch of the transparent connecting traces is D, and the maximum number s of first pixel repeating units in the first direction satisfying s?2*Floor (b1/((D*t))).

Abstract: A display substrate and a display apparatus are provided, including a first side for displaying and a second side opposite the first side, a base substrate, a display area, at least one connection line and at least one transfer electrode. Each of the at least one connection line at least partially extends in a first direction and is connected to first power lines respectively connected to adjacent first pixel unit groups in a first display area in the first direction; and each of the at least one transfer electrode at least partially extends in the first direction and is connected to first signal lines that respectively connect to the adjacent first pixel unit groups in the first display area in the first direction, film layers where at least part of the at least one transfer electrode and each of the at least one connection line are located are different.

Abstract: Disclosed are an advanced persistent threat (APT) detection method and system based on a continuous-time dynamic heterogeneous graph network (CDHGN). The method includes: selecting network interaction event data, extracting entities from the network interaction event data as source nodes and target nodes, extracting an interaction event occurring between a source node and a target node as an edge, and determining a type and an attribute of a node, a type and an attribute of the edge, and a moment at which an interaction event occurs, to obtain a continuous-time dynamic heterogeneous graph; converting each type of edge in the continuous-time dynamic heterogeneous graph into a vector by a CDHGN encoder, to obtain an embedding representation by a CDHGN decoder to obtain a detection result of whether each type of edge is an abnormal edge, to intercept an APT attack.

Abstract: The embodiments of the disclosure provide a method, apparatus, device and storage medium for presenting information, which relate to the technical field of computers. The method includes: obtaining object search information, in response to the object search information being object category information, determining a target object category corresponding to the object search information, and presenting object information of a plurality of target objects corresponding to the target object category in a search result presentation page; where all the plurality of target objects are different, and object information of a target object includes object attribute information and image resource information of the target object. By employing the above technical solution, when the user is searching the object category, object information of a plurality of target objects different from each other corresponding to the target object category is presented in the search result page.

Abstract: The present disclosure provides a wide beam radiation leakage coaxial cable, which includes an inner conductor, an insulating layer, an outer conductor and a sheath coaxially nested from inside to outside in sequence, at least two columns of slot groups are provided on the outer conductor, the columns of slot groups are distributed at different angles in the circumferential direction of the outer conductor, the included angle between two adjacent columns of slot groups is ?=?/n, where ? is the target radiation width, n is the number of columns of slot groups, each column of slot groups includes a plurality of slot arrays periodically arranged in the axial direction of the outer conductor, the pitch of each column of slot groups is the same, the pitch phase of each column of slot groups on the same leakage cable section is consistent, and each slot array includes a plurality of slots.

Abstract: The present application discloses a differential drive device applied to an AGV, relating to the field of wheeled drivers, and being able to effectively reduce the total height of the differential drive device. The differential drive device includes a differential drive unit (2), a top plate (1) and an outer cover (3). The top plate (1) is installed on a top end of the outer cover (3). The differential drive unit (2) is located in the outer cover (3) at a lower side of the top plate (1). The top plate (1) is supported on the differential drive unit (2). An inner side wall of the outer cover (3) is circular-shaped. The present application applies to apparatuses with transportation functions.

Abstract: Provided are a display panel and a display device. A plurality of second pixel circuit groups in a first display region in the display panel includes a first-type second pixel circuit group distal from a second display region and a second-type second pixel circuit group proximal to the second display region. The first-type second pixel circuit group is connected to a first-type second light-emitting unit group, distal from the first display region, in the second display region through a first connection trace. The second-type second pixel circuit group is connected to a second-type second light-emitting unit group, proximal to the first display region, in the second display region through a second connection trace.

Abstract: Provided are a display substrate and a display apparatus. The display substrate includes a first display region and a second display region, and a pixel density of the first display region is higher than a pixel density of the second display region. A first pixel circuit of a first sub-pixel in the first display region includes one pixel circuit unit, and a second pixel circuit of a second sub-pixel in the second display region includes two pixel circuit units. The first pixel circuit is configured to be connected with a first power voltage terminal to receive a first power voltage as a pixel power voltage, and the second pixel circuit is configured to be connected with a second power voltage terminal to receive a second power voltage as a pixel power voltage and the first power voltage is different from the second power voltage.

Abstract: A battery assembly locking device and an automated guided vehicle comprising the battery assembly locking device. The battery assembly locking device comprises: a battery assembly (1); locking hooks (12), which are installed on the battery assembly (1); a locking member (22), which is installed on a vehicle body (3) of an automated guided vehicle; and unlocking members (13), which are installed on the battery assembly (1), wherein the battery assembly (1) is locked on the locking member (22) by means of the locking hooks (12), and is locked on the vehicle body (3) of the automated guided vehicle; and the locking hooks (12) push the locking member (22) by means of the unlocking members (13), and are unlocked from the locking member (22).

Abstract: An antenna assembly includes at least one element group, a switching assembly and a phase shifter. Each element group of the at least one element group includes at least one radiating element. The switching assembly is communicatively connected to the at least one element group, and is configured to control turning on or off of the at least one element group. The phase shifter is communicatively connected to the switching assembly, and is configured to perform beamforming on the antenna assembly. Roll angles of the antenna assembly are different in response to the switching assembly turning on different element groups of the at least one element group.

Abstract: A display substrate and a display device. The present display substrate includes a first to a third display region. The first display region includes first pixel repeating units, and allows light from the first side to at least partially penetrate to the second side. The second display region includes second and fourth pixel repeating units. The third display region includes third pixel repeating units. Each first pixel repeating unit is electrically connected to the corresponding fourth pixel repeating unit by means of t transparent connecting traces. The pitch of the first and second pixel repeating units is b1, and the pitch of the third pixel repeating units is b2, the pitch of the transparent connecting traces is D, and the maximum number s of first pixel repeating units in the first direction satisfying s?2*Floor(b1/((D*t))).

Abstract: A video processing device according to an embodiment includes: a detection unit that detects at least one type of event that is likely to affect a quality of experience of a user for a video displayed by an application program; and a determination unit that determines a degree of influence of the event on the quality of experience for the video on the basis of a result of the detection by the detection unit.

Abstract: A manufacturing method for a semiconductor structure includes: patterning and etching a semiconductor substrate to form a concave region; forming a first protective layer on a surface of the semiconductor substrate, the surface of the semiconductor substrate being a surface of a non-etched region except the concave region; forming an isolation structure in the concave region; and removing the first protective layer on the surface of the semiconductor substrate.

Abstract: A display substrate and a display apparatus are provided, including a first side for displaying and a second side opposite the first side, a base substrate, a display area, at least one connection line and at least one transfer electrode. Each of the at least one connection line at least partially extends in a first direction and is connected to first power lines respectively connected to adjacent first pixel unit groups in a first display area in the first direction; and each of the at least one transfer electrode at least partially extends in the first direction and is connected to first signal lines that are respectively connected to the adjacent first pixel unit groups in the first display area in the first direction, film layers where at least part of the at least one transfer electrode and each of the at least one connection line are located are different.

Abstract: Provided are a display panel and a display device. A plurality of second pixel circuit groups in a first display region in the display panel includes a first-type second pixel circuit group distal from a second display region and a second-type second pixel circuit group proximal to the second display region. The first-type second pixel circuit group is connected to a first-type second light-emitting unit group, distal from the first display region, in the second display region through a first connection trace. The second-type second pixel circuit group is connected to a second-type second light-emitting unit group, proximal to the first display region, in the second display region through a second connection trace.

Abstract: A pixel circuit and a driving method therefor, and a display device are provided. The pixel circuit includes a driving subcircuit, a first light emitting control subcircuit, a second light emitting control subcircuit, a first switching subcircuit, a second switching subcircuit, a third switching subcircuit, a fourth switching subcircuit and an energy storage subcircuit.

Abstract: The present application discloses a speaker mesh, a speaker mesh assembly and an electronic device, which can realize stable installation of the speaker mesh without spoiling the aesthetic appearance of products. The speaker mesh includes a mesh body, a first sidewall and a second sidewall. The mesh body is provided with a plurality of speaker holes. The first sidewall is connected to an edge of a first side of the mesh body, and an inner surface of the first sidewall is provided with a hidden snap-fit portion. The second sidewall is connected to an edge of a second side of the mesh body, and the second sidewall is provided with a snap member.