Abstract: In some embodiments, a method determines an instance of content to be delivered to a client device. The content includes segments that are associated with a plurality of profiles. A target metric and a bandwidth distribution are determined. The method determines a plurality of top profile decisions for the plurality of segments where a top profile decision lists a top profile that can be selected for respective segments in the plurality of segments. A performance of the target metric is determined for the plurality of top profile decisions based on the bandwidth distribution. The method selects a top profile decision from the top profile decisions based on the performance of the target metric for the top profile decisions. The top profile decision is used to determine a target quality. The target quality is used to select top profiles for requesting segments in the segments during playback of the content.

Abstract: A preparation method of a dual-anion catalyst, and a use of the dual-anion catalyst in catalytic degradation of a polyurethane material are provided. The preparation method includes: dissolving a metal salt in deionized water to produce a metal salt solution; adding a nitrogen-containing heterocyclic compound with hydroxyl or amino as a substrate to a reactor, adding the metal salt solution dropwise to the reactor, and conducting condensation reflux at 60° C. to 150° C. for 1 h to 8 h; adding an amine compound dropwise, and conducting a reaction; after the reaction is completed, conducting vacuum filtration to produce a filtrate; and subjecting the filtrate to evaporation, and oven-drying a resulting product to produce the dual-anion catalyst. A recovered polyol obtained through the degradation with the catalyst exhibits basically the same fundamental physical properties such as hydroxyl value, amine value, and viscosity to a virgin polyol.

Abstract: In some embodiments, a method receives a data structure for an auto decision process for predicting a value for a decision feature of a plurality of features. The data structure is generated using a decision aware splitting process that splits a node in the data structure using the decision feature and a metric-based process that splits other nodes of the data structure by evaluating features in the plurality of features using a metric. Feature values are determined for a combination of features for a playback session. The method evaluates the data structure using the combination of features to determine a plurality of prediction values for a plurality of feature values of the decision feature. The prediction values are used to generate a decision for the playback session by selecting a feature value in the plurality of feature values based on the plurality of prediction values.

Abstract: In some embodiments, a method selects historical information from one or more previous playback sessions to a current playback session for content. A bandwidth is determined using the historical information. The method selects a profile from a list of profiles using a bitrate that is determined based on the bandwidth. The profile is used to download a segment of the content in the current playback session.

Abstract: A grid map includes a first-layer map including multiple first grids and a second-layer map including multiple second grids. The number of the multiple second grids is greater than the number of the multiple first grids and multiple second grids are mapped by each first grid. When the multiple second grids mapped by the first grid have a same attribute value, the attribute value is stored in the first grid. The first grid is alternatively configured to store index information, and the index information is configured to point to a data structure of the plurality of second grids mapped by the first grid.

Abstract: A jitter sensor circuit for measuring jitter of a clock signal is disclosed. The jitter sensor circuit includes a time-to-voltage converter circuit that is activated at random intervals to generate, using a reference voltage, a signal whose voltage is proportional to a portion of a period of the clock signal. The jitter sensor circuit also includes an analog-to-digital converter circuit that converts the output signal of the time-to-voltage converter circuit to a digital value using the same reference voltage as the time-to-voltage converter circuit.

Abstract: A method of making a capacitor-assisted hybrid electrode for a lithium-ion electrochemical cell includes admixing a solvent, a cellulose-based dispersant, and a plurality of capacitive particles comprising carbon to form a dispersion. The cellulose-based dispersant forms hydrogen bonds with one or more carbonyl-groups on the capacitive particles comprising carbon. The dispersion is combined with an electroactive material, an electrically conductive material, and a binder to form a slurry. The slurry is applied to a current collector and solidified to form the capacitor-assisted hybrid electrode having a composite hybrid active layer on the current collector. Capacitor-assisted hybrid electrodes formed from such methods are also provided.

Abstract: In some embodiments, a method determines whether to use first logic or second logic to select a profile from a list of profiles to download a segment of content. When using the second logic: selecting historical information from one or more previous playback sessions; determining a bandwidth using the historical information; and selecting the profile using a bitrate that is determined based on the bandwidth. When using the first logic, selecting the profile without using the historical information.

Abstract: Embodiments of the present disclosure provide a method, an electronic device, and a computer program product for data processing. The method may include receiving a data conversion strategy from a server. The method may further include determining, in response to receiving unstructured data from a field device, metadata of the unstructured data based on the received data conversion strategy to form a set of metadata. In addition, the method may include transmitting at least a part of the set of metadata to the server. According to embodiments of the present disclosure, edge computing can be performed on unstructured data, which not only enables timely processing of monitoring data, but also reduces computing load on the side of the server, thereby improving the user experience.

Abstract: In some embodiments, a method receives quality metric values for profile levels in a plurality of profile levels for a segment of content. An available bandwidth and associated bitrates of profile levels in the plurality of profile levels are evaluated to select a first profile level. The quality metric values for profile levels in the plurality of profile levels are evaluated to select a second profile level. The method selects a profile level in the plurality of profile levels based on the first profile level and the second profile level. The profile level that is selected is requested for the segment.

Abstract: Systems, methods, and compositions for an electrolyte that inhibits thermal runaway are disclosed. For example, an electrochemical cell may include an anode, a cathode, and the electrolyte. The anode includes a lithiated silicon oxide material, the cathode includes a nickel-rich material, and the electrolyte is formed from an electrolyte mixture. The electrolyte mixture includes a primary salt, a secondary salt, and a solvent. The primary salt is configured to facilitate ion movement between the anode and the cathode. The secondary salt is a high-HOMO salt. The secondary salt is also configured to form a solid-electrolyte interphase on the anode and a cathode-electrolyte interphase on the cathode. The solvent includes a cyclic solvent component, a linear solvent component, and a fluorinated solvent component.

Abstract: An embossing method for floor tiles makes thermoplastic polymer material in a floor tile to be embossed be converted into a viscous flow state by an ultrasonic embossing device, and embosses a floor tile modeling and a floor tile pattern on the floor tile to be embossed at the same time, such that the floor tile modeling and the floor tile pattern are not prone to rebound after being formed by embossing, stability of embossing of the edge of the floor tile is greatly improved, and yield rate of the floor tile increases. Additionally, the ultrasonic embossing device in the present application can further configure an ultrasonic welding head as a first welding head or a second welding head according to the floor tile modeling and the floor tile pattern, thereby meeting many types of different requirements for embossing patterns and reducing development cost of production lines.

Abstract: Embodiments of the present disclosure relate to a method, an electronic device, and a computer program product for verifying a virtual avatar. The method includes: determining, based on the virtual avatar and a plurality of reference images in an image library, a first similarity set comprising a plurality of similarities between the virtual avatar and the plurality of reference images; and selecting a plurality of candidate images from the plurality of reference images based on the first similarity set and a predetermined number. The method further includes: determining a second similarity set comprising a plurality of similarities between the virtual avatar and the plurality of candidate images; and determining a verification result for the virtual avatar based on a subset in the first similarity set that is associated with the plurality of candidate images, and the second similarity set.

Abstract: The present disclosure relates to a wireless data terminal, including a first main body, which includes a mainboard, the mainboard being provided with a first antenna; and a second main body, which is provided with a second antenna; where the second antenna can be connected to the mainboard, at least the second antenna is used for receiving and transmitting a cellular signal and a WiFi signal; and the second antenna can be disconnected from the mainboard, the first antenna is used for receiving and transmitting a cellular signal and a WiFi signal.

Abstract: The present disclosure relates to a method, a server, and a computer program product for identity authentication. The method includes searching, in response to receiving an identity authentication request from a user at an edge server, an identity authentication database of the edge server for identity authentication information associated with the user. The method further includes sending, in response to the identity authentication information associated with the user not being found in the identity authentication database, the identity authentication request to a cloud server, the cloud server including an agent for interfacing with a plurality of identity authentication providers. In addition, the method further includes receiving the identity authentication information associated with the user from the cloud server, storing the identity authentication information to the identity authentication database, and using the identity authentication information to authenticate the user.

Abstract: A capacitor assisted battery module includes a first diode including an anode and a cathode. A second diode includes an anode and a cathode. The anode of the first diode is connected to the cathode of the second diode at a first node. A first capacitor assisted battery (CAB) block includes a positive terminal, a negative terminal and N CABs, where N is an integer greater than zero. The positive terminal of the first CAB block is connected to the cathode of the first diode. A second capacitor assisted battery (CAB) block includes a positive terminal, a negative terminal and N CABs, wherein the negative terminal of the second CAB block is connected to the anode of the second diode. The negative terminal of the first CAB block and the positive terminal of the second CAB block are connected to a second node.

Abstract: A battery system includes a pressure sensor configured to sense pressure changes corresponding to thickness changes of at least one of a plurality of battery cells of a battery. A battery management module includes a state of charge (SOC) estimator configured to estimate the SOC of the battery. Based on sensed pressure, the SOC estimator detects at least one of a first inflection point and a second inflection point during one of charging and discharging of the battery, and calibrates the SOC of the battery based on at least one of a first SOC value and a second SOC value corresponding to the at least one of the first inflection point and the second inflection point, respectively.

Abstract: In some embodiments, a method receives a network trace from a playback session of a delivery of content being managed by a content management system. The network trace is decomposed into a first sub-trace and a second sub-trace based on a threshold. The threshold is used to divide the network trace into the first sub-trace and the second sub-trace. A value is extracted for a feature for the network trace based on the first sub-trace. The method classifies the network trace into a category based on the value and performs an action based on the category for the content management system.

Abstract: The present disclosure provides an electrode for an electrochemical cell. The electrode includes a polymer binder network and a plurality of electroactive material particles. The polymer binder network includes a plurality of fibers defining the polymer binder network. Each of the plurality of fibers includes a plurality of beads and a plurality of filaments. The plurality of filaments extends from at least a portion of the plurality of beads, respectively. The plurality of electroactive material particles is in voids of the polymer binder network. In certain aspects, the present disclosure provides a single- or double-sided electrode component including a current collector and the electrode.