Abstract: The present application proposes a method and apparatus for transfer learning-based localization of igneous carbonate-hosted rare earth mineralization. The technology relates to electromagnetic exploration and includes obtaining exploration data for electric, magnetic, seismic, and gravity methods in the target area. Transfer learning-based localization is applied to the electric, magnetic, seismic, and gravity exploration data to determine the cross-sectional map corresponding to the anomalous position of igneous carbonate-hosted rare earth mineralization in the target area. Feature decomposition dimensionality reduction, feature enhancement, and weighted fusion processing are applied to the cross-sectional map, followed by segmentation of the igneous carbonate-hosted rare earth mineralization geological body in the fused image to obtain the spatial distribution of the detection target.

Abstract: Provided are gene editing systems and methods for reducing cell immunogenicity and reducing graft versus host (GvH) response, or to promote the persistence of therapeutic cells. Also provided are polynucleotides, vectors, cells, kits and compositions comprising components of the gene editing systems, and methods related to treatment for reducing cell immunogenicity and reducing GvH response.

Abstract: Provided is a method for predicting a leakage risk of a landfill based on deep learning, which belongs to the field of prediction of leakage risks of landfills. The method includes: acquiring data of a leakage liquid to be tested, standardizing the data of the leakage liquid to be tested to obtain standard data to be tested, and inputting the standard data to be tested into a trained landfill leakage risk prediction model to obtain a landfill leakage risk prediction result. The present disclosure utilizes a long short-term memory recurrent neural network-gated recurrent unit neural network algorithm to obtain the landfill leakage risk prediction model, such that the prediction model is suitable not only for long-term dependent sequence data but for processing information in a short term, thereby improving the practicality and reliability of the model prediction.

Abstract: The present application proposes a method and apparatus for transfer learning-based localization of igneous carbonate-hosted rare earth mineralization. The technology relates to electromagnetic exploration and includes obtaining exploration data for electric, magnetic, seismic, and gravity methods in the target area. Transfer learning-based localization is applied to the electric, magnetic, seismic, and gravity exploration data to determine the cross-sectional map corresponding to the anomalous position of igneous carbonate-hosted rare earth mineralization in the target area. Feature decomposition dimensionality reduction, feature enhancement, and weighted fusion processing are applied to the cross-sectional map, followed by segmentation of the igneous carbonate-hosted rare earth mineralization geological body in the fused image to obtain the spatial distribution of the detection target.

Abstract: A method and system for leakage status evaluation and leaks location of a solid waste land disposal facility. The method includes: arranging an off-site emitting electrode for the solid waste land disposal facility, and arranging a plurality of intra-site receiving electrodes on a solid waste pile surface in a grid shape; selecting a power supply to collect a current value between the off-site emitting electrode and each of the intra-site receiving electrodes respectively, and determining a maximum current value point Mn of the solid waste pile surface and a maximum current value An; selecting an off-site point So2, and measuring a current value between the off-site emitting electrode and the point So2 as a reference current Ab under the same power supply condition; and determining a leakage status of the solid waste land disposal facility based on a ratio of the maximum current value An to the reference current Ab.

Abstract: The disclosed embodiments provide a system for performing A/B testing of service-level metrics. During operation, the system obtains service-level metrics for service calls made during an A/B test, wherein the service-level metrics are aggregated by user identifiers of multiple users. Next, the system matches the service-level metrics to treatment assignments of the users to a treatment group and a control group in the A/B test. The system then applies the A/B test to a first grouping of the service-level metrics for the treatment group and a second grouping of the service-level metrics for the control group. Finally, the system outputs a result of the A/B test for use in assessing an effect of a treatment variant in the A/B test on the service-level metrics.

Abstract: An improved refrigeration device includes a storage compartment, a door body adapted to open or close the storage compartment, a storage box accommodated in the storage compartment, a bracket mounted on the door body, a slide rail in sliding connection to the bracket and the storage compartment, and a supporting member mounted on the slide rail. A length of the bracket is less than a length of the storage box, and the supporting member and the bracket together support the storage box. Therefore, a shorter and fixed length bracket can be matched with the supporting member to support the storage box with a different length, to be adapted to the storage compartment with a different depth.

Abstract: A method and system for leakage status evaluation and leaks location of a solid waste land disposal facility. The method includes: arranging an off-site emitting electrode for the solid waste land disposal facility, and arranging a plurality of intra-site receiving electrodes on a solid waste pile surface in a grid shape; selecting a power supply to collect a current value between the off-site emitting electrode and each of the intra-site receiving electrodes respectively, and determining a maximum current value point Mn of the solid waste pile surface and a maximum current value An; selecting an off-site point So2, and measuring a current value between the off-site emitting electrode and the point So2 as a reference current Ab under the same power supply condition; and determining a leakage status of the solid waste land disposal facility based on a ratio of the maximum current value An to the reference current Ab.

Abstract: Techniques for ensuring differential privacy in top-K selection are provided. In one technique, multiple items and multiple counts are identified in response to a query. For each count, which corresponds to a different item, a noise value is generated and added to the count to generate a noisy value, and the noisy value is added to a set of noisy values that is initially empty. A particular noise value is generated for a particular count and added to the particular count to generate a noisy threshold. The particular noise value is generated using a different technique than the technique used to generate each noise value in the set. Based on the noisy threshold, a subset of the noisy values is identified, where each noisy value in the subset is less than the noisy threshold. A response to the query is generated that excludes items that correspond to the subset.

Abstract: During operation, a system obtains a graph that includes a set of nodes representing users in an online network and a set of edges representing relationships or interactions between pairs of the nodes. Next, the system selects egos containing a subset of the users that are representative of a distribution of an attribute across the users. The system then generates clusters of users, such that each cluster contains an ego and alters selected from the ego's connections in the graph. The system further divides the clusters between a treatment group and a control group, exposes alters in the treatment group to a treatment variant of an A/B test, and exposes alters in the control group to a control variant of the A/B test. Finally, the system outputs a result of the A/B test.

Abstract: This disclosure describes techniques for verifying compatibility of NOS image versions during startup of one or more hardware modules of a distributed router system. A client-server transaction protocol is executed between a communication server and a communication client configured according to the protocol to run on hardware modules of a distributed router system. A communication client discovers a communication server through a handshake transaction and sends a software image signature of an NOS image version. The communication server forwards the software image signature to an NOS verification server to determine whether the software image signature is compatible.

Abstract: Computer-implemented techniques for ex post facto accounting for interference from network effects in a one-to-one messaging experiment in an online service. With the techniques, is not necessary to identify isolated, non-interacting communities of users pre-experiment. Instead, unconventionally, a total lift for the treatment feature may be computed post-experiment based on the observed actual messages sent during the experiment by users in the treatment and control groups. Techniques for post-experiment computation of an experiment-specific message response rate, based on observed messages sent, and post-experiment computation of an instant lift, based on overserved message sent, are also disclosed.

Abstract: A refrigeration appliance includes a case body and a door to be connected to the case body for sliding forwards and backwards. The door includes a front wall, a rear wall spaced from the front wall, a side wall interconnecting the front and rear walls, and an accommodating space formed and enclosed by the front, rear the side walls and filled with a heat insulation material. A power and/or signal transmission apparatus passes through a through hole in the rear wall and includes cables. A cable guiding member located in the accommodating space is used for guiding the cables. Not only can the cables be fixed conveniently and prevented from being stacked randomly in the accommodating space, but the cable guiding member can also guide the cables and provide conditions for power supply for wiring in the door.

Abstract: The disclosed embodiments provide a system for performing A/B testing of service-level metrics. During operation, the system obtains service-level metrics for service calls made during an A/B test, wherein the service-level metrics are aggregated by user identifiers of multiple users. Next, the system matches the service-level metrics to treatment assignments of the users to a treatment group and a control group in the A/B test. The system then applies the A/B test to a first grouping of the service-level metrics for the treatment group and a second grouping of the service-level metrics for the control group. Finally, the system outputs a result of the A/B test for use in assessing an effect of a treatment variant in the A/B test on the service-level metrics.