Abstract: Techniques are disclosed herein for integrating document question answering in an artificial intelligence-based platform, such as a chatbot system. The techniques include receiving a query from a user, rewriting the query to include one or more specific descriptors, computing an embedding vector for the rewritten query, retrieving one or more textual passages from a document store utilizing the embedding vector for the rewritten query, determining one or more answers to the rewritten query within the one or more textual passages, and returning the one or more answers.

Abstract: Apparatus and associated methods relate to a water-resistant capture device for enclosing wired electro-magnetic components, the capture device having a base module and a connecting cap module, wherein when the base module and cap module enclose an electro-magnetic component and the base module is connected to the cap module, one or more electric wires are compressed within deformable wire apertures formed by the combined base module and cap module. In some embodiments, the base module is deformable and deforms when affixed to the cap module so as to form a compressive water-resistant seal to an interior of the capture device. In an exemplary embodiment, an LED may be captured within the capture device. The cap module may provide a compressing aperture to provide a water resistant seal around the lens of a LED projecting therethrough.

Abstract: Techniques are disclosed herein for objective function optimization in target based hyperparameter tuning. In one aspect, a computer-implemented method is provided that includes initializing a machine learning algorithm with a set of hyperparameter values and obtaining a hyperparameter objective function that comprises a domain score for each domain that is calculated based on a number of instances within an evaluation dataset that are correctly or incorrectly predicted by the machine learning algorithm during a given trial. For each trial of a hyperparameter tuning process: training the machine learning algorithm to generate a machine learning model, running the machine learning model in different domains using the set of hyperparameter values, evaluating the machine learning model for each domain, and once the machine learning model has reached convergence, outputting at least one machine learning model.

Abstract: Techniques are disclosed herein for continuous hyperparameter tuning with automatic domain weight adjustment based on periodic performance checkpoints. In one aspect, a method is provided that includes initializing a machine learning algorithm with a set of hyperparameter values and obtaining a hyperparameter objective function that is defined at least in part on a plurality of domains of a search space that is associated with the machine learning algorithm. For each trial of a hyperparameter tuning process: running the machine learning algorithm in different domains using the set of hyperparameter values, periodically checking a performance of the machine learning algorithm in the different domains based on the hyperparameter objective function; and continuing hyperparameter tuning with a new set of hyperparameter values after automatically adjusting the domain weights according to a regression status of the different domains.

Abstract: Techniques for automatically switching between chatbot skills in the same domain. In one particular aspect, a method is provided that includes receiving an utterance from a user within a chatbot session, where a current skill context is a first skill and a current group context is a first group, inputting the utterance into a candidate skills model for the first group, obtaining, using the candidate skills model, a ranking of skills within the first group, determining, based on the ranking of skills, a second skill is a highest ranked skill, changing the current skill context of the chatbot session to the second skill, inputting the utterance into a candidate flows model for the second skill, obtaining, using the candidate flows model, a ranking of intents within the second skill that match the utterance, and determining, based on the ranking of intents, an intent that is a highest ranked intent.

Abstract: Embodiments of the present disclosure provide a data processing method and apparatus, wherein the data processing method includes: determining a first matrix and a second matrix, and splitting the second matrix into a first preset quantity of matrix blocks; invoking a Montgomery modular multiplication and addition instruction to perform an operation on an element included in the first matrix and an element included in a jth matrix block to obtain a matrix block operation result corresponding to the jth matrix block, and covering the element in the jth matrix block with the matrix block operation result corresponding to the jth matrix block; and increasing j by 1, continuing to perform the above-described step of obtaining the matrix block operation result until j is equal to the first preset quantity so as to obtain a target matrix from the matrix multiplication operation performed on the first matrix and the second matrix.

Abstract: A data transmission method, a device, a network system, and a storage medium. According to the method, a PCIe request end requests an application scenario of a data fragment from a PCIe destination end according to a Non-Posted data transmission mode; and on a PCIe link, the Non-Posted data transmission mode is converted, without the perception of the PCIe request end and PCIe destination end, into a Posted data transmission mode by means of pre-reading, so that the delay of the PCIe link is reduced, and the utilization of bandwidth of the PCIe link is improved.

Abstract: A method for preparing a palladium-loaded heterojunction composite framework aerogel, including: preparing a hollow tin dioxide (SnO2) nanofiber; preparing a tetrabutyl titanate-hollow SnO2 nanofiber mixed solution; preparing a palladium dichloride (PdCl2) precursor solution; adding the PdCl2 precursor solution to the tetrabutyl titanate-hollow SnO2 nanofiber mixed solution to form a heterojunction double-network composite framework gel; and preparing a palladium nanoparticle-loaded heterojunction double-network composite framework aerogel. A method for preparing a hydrogel sensor coated with the palladium-loaded heterojunction composite framework aerogel is also provided herein.

Abstract: Apparatus and associated methods relate to a water-resistant capture device for enclosing wired electro-magnetic components, the capture device having a base module and a connecting cap module, wherein when the base module and cap module enclose an electro-magnetic component and the base module is connected to the cap module, one or more electric wires are compressed within deformable wire apertures formed by the combined base module and cap module. In some embodiments, the base module is deformable and deforms when affixed to the cap module so as to form a compressive water-resistant seal to an interior of the capture device. In an exemplary embodiment, an LED may be captured within the capture device. The cap module may provide a compressing aperture to provide a water resistant seal around the lens of a LED projecting therethrough.

Abstract: A detection method using a frequency modulated continuous wave, a radar, and a computer-readable storage medium. The method includes: emitting a detection wave to detect a target object, where the detection wave is a nonlinear frequency sweep modulated signal; receiving an echo of the detection wave reflected by the target object; obtaining an actual beat frequency signal according to the echo and the detection wave; and obtaining a distance and/or velocity of the target object according to the actual beat frequency signal. By the method, the decoupling and separation of distance/velocity information may be completed in a single cycle. The decoupling and separation of a distance/velocity can be completed within a single frequency sweep cycle, and a detection probability of a system is kept from deteriorating.

Abstract: A hydrogen sensitive film, a hydrogen sensor and a preparation thereof. The hydrogen sensitive film has a composite structure of an aerogel and a catalyst. The aerogel can adsorb hydrogen and undergo hydrogenation reaction with hydrogen. The catalyst is a nano-noble metal catalyst for catalyzing the hydrogenation reaction, and is distributed in pores of the aerogel. The hydrogen sensitive film is prepared by mixing a catalyst into an aerogel through physical compounding. The hydrogen sensor includes an insulating substrate layer, the hydrogen sensitive film and an electrode layer.

Abstract: Embodiments of the present invention provide a system, a method, and an electronic device for the cloud-based configuration of FPGA configuration data. The system includes a control module internal to an FPGA and a storage module external to the FPGA. The storage module is configured to store configuration data transmitted from a cloud, and the control module is configured to retrieve the configuration data from the storage module and to configure a corresponding processing unit of the FPGA according to the configuration data. In the embodiments of the present invention, the control module internal to the FPGA is provided, and configuration data is retrieved from the storage module external to the FPGA to configure the corresponding processing unit of the FPGA. Accordingly, during FPGA data migration, the configuration data stored in the external storage module can be directly migrated by using a general data migration method, thereby implementing live migration of FPGA data.

Abstract: The present disclosure provides a method, an apparatus, and a non-transitory computer readable medium for scheduling tasks.

Abstract: Provided are a video stream processing method and apparatus, an electronic device and a computer-readable medium, which relate to the field of Internet technology. An exemplary method includes: storing a video frame in an original video stream in a first buffer area by calling a video stream processing interface of a video stream processing tool; processing the video frame in the first buffer area by means of a video frame processing model to obtain a processed video frame; and on the basis of the processed video frame, generating a standard video stream corresponding to the original video stream. By means of the embodiments of the this application, the software complexity of video stream processing is effectively reduced, and the speed of video stream processing is effectively improved.

Abstract: This application provides a lighting accessory and a photographic lamp. The lighting accessory includes a light-transmission member, a light-shielding member and a connection assembly. The light-transmission member and the light-shielding member are both in a shape of a hollow cylinder. The light-transmission member includes a cylindrical first light-transmission surface and a flat second light-transmission surface blocked at one end of the first light-transmission surface. An inner cavity of the hollow cylinder of the light-transmission member is configured to accommodate a lamp body. The light-shielding member is arranged round an outer side of the first light-transmission surface and is spaced from the first light-transmission surface in a radial direction. The light-transmission member, the light-shielding member and the lamp body are connected through the connection assembly.

Abstract: Apparatus and associated methods relate to a water-resistant capture device for enclosing wired electro-magnetic components, the capture device having a base module and a connecting cap module, wherein when the base module and cap module enclose an electro-magnetic component and the base module is connected to the cap module, one or more electric wires are passed through wire apertures formed by a combined base module and cap module. In some embodiments, the base module may be deformable and deform when affixed to the cap module. In some embodiments a sealing agent may be disposed in an interior of the capture device. The sealing agent may, for example, be assembled in solid form and be at least partially liquified for distribution. In an exemplary embodiment, an LED may be captured within the capture device. The sealing agent may provide a water resistant seal between a base and a housing element.

Abstract: Apparatus and associated methods relate to a water-resistant capture device for enclosing wired electro-magnetic components, the capture device having a base module and a connecting cap module, wherein when the base module and cap module enclose an electro-magnetic component and the base module is connected to the cap module, one or more electric wires are passed through wire apertures formed by a combined base module and cap module. In some embodiments, the base module may be deformable and deform when affixed to the cap module. In some embodiments a sealing agent may be disposed in an interior of the capture device. The sealing agent may, for example, be assembled in solid form and be at least partially liquified for distribution. In an exemplary embodiment, an LED may be captured within the capture device. The sealing agent may provide a water resistant seal between a base and a housing element.

Abstract: Apparatus and associated methods relate to a water-resistant capture device for enclosing wired electro-magnetic components, the capture device having a base module and a connecting cap module, wherein when the base module and cap module enclose an electro-magnetic component and the base module is connected to the cap module, one or more electric wires are compressed within deformable wire apertures formed by the combined base module and cap module. In some embodiments, the base module is deformable and deforms when affixed to the cap module so as to form a compressive water-resistant seal to an interior of the capture device. In an exemplary embodiment, an LED may be captured within the capture device. The cap module may provide a compressing aperture to provide a water resistant seal around the lens of a LED projecting therethrough.

Abstract: Embodiments of the present invention provide a system, a method, and an electronic device for the cloud-based configuration of FPGA configuration data. The system includes a control module internal to an FPGA and a storage module external to the FPGA. The storage module is configured to store configuration data transmitted from a cloud, and the control module is configured to retrieve the configuration data from the storage module and to configure a corresponding processing unit of the FPGA according to the configuration data. In the embodiments of the present invention, the control module internal to the FPGA is provided, and configuration data is retrieved from the storage module external to the FPGA to configure the corresponding processing unit of the FPGA. Accordingly, during FPGA data migration, the configuration data stored in the external storage module can be directly migrated by using a general data migration method, thereby implementing live migration of FPGA data.

Abstract: Apparatus and associated methods relate to a water-resistant capture device for enclosing wired electro-magnetic components, the capture device having a base module and a connecting cap module, wherein when the base module and cap module enclose an electro-magnetic component and the base module is connected to the cap module, one or more electric wires are passed through wire apertures formed by a combined base module and cap module. In some embodiments, the base module may be deformable and deform when affixed to the cap module. In some embodiments a sealing agent may be disposed in an interior of the capture device. The sealing agent may, for example, be assembled in solid form and be at least partially liquified for distribution. In an exemplary embodiment, an LED may be captured within the capture device. The sealing agent may provide a water resistant seal between a base and a housing element.