Abstract: Transient voltage noise, including resistive and reactive noise, causes timing errors at runtime. A heuristic framework, Walking Pads, is introduced to minimize transient voltage violations by optimizing power supply pad placement. It is shown that the steady-state optimal design point differs from the transient optimum, and further noise reduction can be achieved with transient optimization. The methodology significantly reduces voltage violations by balancing the average transient voltage noise of the four branches at each pad site. When pad placement is optimized using a representative stressmark, voltage violations are reduced 46-80% across 11 Parsec benchmarks with respect to the results from IR-drop-optimized pad placement. It is shown that the allocation of on-chip decoupling capacitance significantly influences the optimal locations of pads.

Abstract: A messaging system configured for recommending messages is provided. The messaging system machine trains a prediction model associated with a user based on past review and response times for past messages. During runtime, the messaging system generates a predicted user action time for each new message based on the prediction model and tags each new message with a corresponding predicted user action time. Based on an amount of available time, the predicted user action time for each new message, and importance for each new message, the messaging system determines a recommended set of new messages that the user should read and respond to during the available time, whereby a sum of the predicted user action time of the recommended set of new messages is equal to or less than the available time. The recommended set of new messages are visually distinguished for the user.

Abstract: A method includes emitting an outbound light pulse by a light detection and ranging (LIDAR) device, and receiving a first light pulse and a second light pulse at the LIDAR device. The first light pulse is indicative of a reflection of the outbound light pulse by an internal part of the LIDAR device. The second light pulse is indicative of a reflection of the outbound light pulse by a surrounding object. The method further includes, responsive to an overlap between electronic signals representing the first and second light pulses, deriving an estimated time value associated with the second light pulse based on a piece of timing information in a trailing section of the second light pulse, and determining a distance of the surrounding object from the LIDAR device based on the estimated time value associated with the second light pulse.

Abstract: The invention provides systems, methods, and devices related to writing and reading a file. A block area having a plurality of idle storage blocks is provided. Each idle block of said plurality of idle storage blocks is associated with a block identifier of a plurality of block identifiers. Additionally, each block identifier of the plurality of block identifiers is listed in a block index. Each block identifier has content that stores a unique block identifier of the plurality of block identifiers that links the block identifier with the unique block identifier, thereby linking the plurality of block identifiers.

Abstract: Methods and systems for using machine learning to determine electronic document similarity include extracting entities and corresponding relationships from each of two electronic documents of a corpus of electronic documents based on word embedding, computing an entity distance between the extracted entities and a relationship distance between the extracted relationships based on knowledge graph embedding, combining the entity and relationship distances to generate a similarity score between the electronic documents, and implementing the similarity score to perform a task associated with the electronic documents.

Abstract: The present disclosure provides a thin film transistor, a method for fabricating the same, a display substrate, and a display apparatus, and belongs to the field of display technology. The method includes: forming a metal oxide semiconductor pattern comprising first and second metal oxide semiconductor layers, the second metal oxide semiconductor layer being above the first metal oxide semiconductor layer; depositing a source-drain metal layer on the metal oxide semiconductor pattern; etching the source-drain metal layer and the second metal oxide semiconductor layer to form source and drain electrodes and an active layer of the thin film transistor. The active layer is obtained after removing the second metal oxide semiconductor layer between the source and drain electrodes using a first etchant, and the first etchant has a higher etching rate on the second metal oxide semiconductor layer than on the first metal oxide semiconductor layer.

Abstract: The invention relates to a dimming circuit of LED lamp, including a constant voltage source, a switching tube connected in series with the LED load at the output end of the constant voltage source, a short circuit detecting circuit electrically connected with the constant voltage source, and an signal processing circuit electrically connected with the output end of the short circuit detecting circuit, and driving circuit respectively connected to the output end of the signal processing circuit and the switching tube, wherein the signal processing circuit calculates whether the short circuit condition is determined, and the timing control detects the LED load short circuit recovery in the event of a short circuit.

Abstract: The present discloses an array substrate and a manufacturing method thereof, and a display device. The array substrate includes a first transistor and a second transistor. The first transistor includes a first active layer, a first gate, a first source and a first drain. The second transistor includes a second active layer, a second gate, a second source and a second drain. An orthographic projection of the second source on the base substrate and an orthographic projection of the second drain on the base substrate at least partially overlap. One of the second source and the second drain is in the same layer as and made from the same material as the first gate. The first source and the first drain are in the same layer as and made from the same material as the other of the second source and the second drain.

Abstract: A gas analyzer includes a housing adapted for insertion into a chamber. The housing has an open interior with a chemochromic sensor assembly arranged therein which includes a chemochromic media, an electronic color sensor that senses a color of the chemochromic media, and a processor. In operation, the housing is inserted into a chamber, the chemochromic media is exposed to a gas within the chamber, the chemochromic media changes color depending on the gas within the chamber, and the electronic color sensor detects the color of the chemochromic media and communicates a signal to the processor based on the detected color. The processor may be configured to generate gas detection information based on the signal received from the electronic color sensor. A transmitter in communication with the processor communicates at least a portion of the gas detection information from the chemochromic sensor assembly to remote monitoring equipment.

Abstract: A fiber optic ferrule has an entrance surface that is angled at an angle that other than perpendicular to the optical fiber axis. The optical fibers disposed within the fiber optic ferrule are preferably separated from the entrance surface. These features reduce the amount of reflection of the light back into the optical fiber and increase the performance of the fiber optic ferrule.

Abstract: A proactive fault-tolerant scheme which improves performance and energy efficiency for NoCs. The fault-tolerant scheme allows routers to switch among several different fault-tolerant operations. Each operation mode has different trade-offs among fault-tolerant capability, retransmission traffic, latency, and energy efficiency. Another example provides a proactive, dynamic control policy to balance and optimize the dynamic interactions and trade-offs. The example control policy uses example machine learning algorithm called reinforcement learning (RL). The example RL-based controller independently observes a set of NoC system parameters at runtime, and over time they evolve optimal per-router control policies. By automatically and optimally switching among the four fault-tolerant modes, the trained control policy results in minimizing system level network latency and maximizing energy efficiency while detecting and correcting errors.

Abstract: The disclosure provides an approach for transferring a packet from a source client to a destination application across a network. The approach generally includes writing an identifier to the packet by a switch, transferring the packet to a distributed log, logging a copy of the packet at the distributed log, and analyzing the packet for misplaced requests. The approach further includes, transmitting the packet from the distributed log to the destination, intercepting the packet by a shim layer and comparing the identifier to a counter maintained by the shim layer, and forwarding the packet to the destination application.

Abstract: A method is described for time-lapse seismic imaging that may include detecting moiré patterns in seismic images generated from time-lapse seismic data and identifying geologic features based on the moiré patterns. The method may be executed by a computer system.

Abstract: The present invention discloses a nicotinyl alcohol ether derivative, a preparation method therefor, and a pharmaceutical composition and uses thereof. Specifically, the invention relates to nicotinyl alcohol ether derivatives represented by formula (I), a pharmaceutically-acceptable salt thereof, a stereoisomer thereof, a preparation method therefor, a pharmaceutical composition containing the one or more compounds, and uses of the compounds in treating diseases related to PD-1/PD-L1 signal channels, such as cancers, infectious diseases and autoimmune diseases.

Abstract: Embodiment of the present disclosure provide a thin-film transistor structure, a manufacturing method thereof, a display panel and a display device. The thin-film transistor structure includes: a base substrate; and a first thin-film transistor and a second thin-film transistor formed on the base substrate, wherein a first active layer of the first thin-film transistor is doped with hydrogen; a material of a second active layer of the second thin-film transistor is metal oxide; and a first isolation barrier surrounding the first thin-film transistor and/or a second isolation barrier surrounding the second thin-film transistor are disposed on the base substrate.

Abstract: The present invention provides a method for processing an enhanced physical downlink control channel (EPDCCH), a network-side device, and a user equipment. The method includes: notifying a user equipment (UE) of M physical resource block (PRB) sets used for EPDCCH transmission and N reference signal (RS) configurations used for EPDCCH downlink control information (DCI) rate matching and/or EPDCCH resource mapping, and notifying the UE of correspondence between the M PRB sets and the N RS configurations, where N is a positive integer greater than 1, and M is a positive integer; and performing the EPDCCH DCI rate matching and/or the EPDCCH resource mapping according to the correspondence between the M PRB sets and the N RS configurations.

Abstract: The invention relates to a dimming circuit of LED lamp, including a constant voltage source, a switching tube connected in series with the LED load at the output end of the constant voltage source, a short circuit detecting circuit electrically connected with the constant voltage source, and an signal processing circuit electrically connected with the output end of the short circuit detecting circuit, and driving circuit respectively connected to the output end of the signal processing circuit and the switching tube, wherein the signal processing circuit calculates whether the short circuit condition is determined, and the timing control detects the LED load short circuit recovery in the event of a short circuit.

Abstract: Methods, systems and computer program products for identifying a relationship between sub-units of an entity are described. The sub-units are segmented into one or more candidate related groups based on one or more general attributes and a pair of the sub-units of the one or more candidate related sub-units is selected. The pair of sub-units is analyzed to determine a relationship between the sub-units and the relationship between the sub-units is identified based on the determined relationship.

Abstract: The present disclosure relates to a video call method, apparatus, devices, non-transitory computer-readable medium, and system. The video call method includes receiving, from a first user device, a video call request to conduct a video call with a second user device; receiving, from the first user device, a first instruction that is configured to instruct the serving device to control the first user device and the second user device to conduct the video call with each other; and controlling the first user device and the second user device to conduct the video call with each other based on the first instruction.

Abstract: Techniques, systems, and devices relating to conducting calibration of LIDAR systems are disclosed. In one exemplary aspect, a light detection and ranging (LIDAR) device is disclosed. The device comprises a light beam emitter operable to emit a light beam; a prism set positioned in an optical path of the light beam to refract the light beam onto a surface of a surrounding object; a light detector to detect light reflected by the surface of the surrounding object; a controller configured to estimate the surface of the surrounding object based on the detected light. The controller is operable to (1) determine a relative bias in the prism set, and (2) cause, based on the relative bias in the prism set, a compensation for an estimation error in the controller's estimation of the surface of the surrounding object.