Abstract: A data processing method and apparatus are disclosed. The method includes: obtaining a sample dataset, where each sample in the sample dataset includes a first label; dividing the sample dataset into K sample sub-datasets, determining a group of data from the K sample sub-datasets as a test dataset, and using sample sub-datasets other than the test dataset as a train dataset; training the classifier by using the train dataset, and classifying the test dataset by using a trained classifier, to obtain a second label of each sample in the test dataset; obtaining a first indicator and a first hyper-parameter at least based on the first label and the second label; obtaining a loss function of the classifier at least based on the first hyper-parameter, where the loss function is used to update the classifier; and completing training of the classifier when the first indicator meets a preset condition.

Abstract: This application discloses a method and an apparatus for determining a fault type. The method includes: performing online real-time calculation on operating data generated by each of a plurality of users within a preset period, to obtain an operating feature value corresponding to the operating data generated by each of the plurality of users within the preset period; receiving a fault classification request, where the fault classification request requests to determine a fault type of a fault that is caused for a target user before a target moment; and determining, according to the fault classification request, the fault type of the fault that is caused for the target user before the target moment based on a fault classification model and an operating feature value that is of the target user within at least one preset period.

Abstract: The method including: obtaining identity information and location information of a user terminal, and monitoring, according to the identity information and the location information, whether the user terminal has moved to a target region; obtaining a target network quality level if the user terminal has moved to the target region, where the target network quality level includes a current network quality level of the user terminal in the target region; querying whether the user terminal has a historical network quality level in the target region; if the user terminal has the historical network quality level in the target region, obtaining the historical network quality level, and evaluating network quality of the user terminal in the target region according to the historical network quality level and the target network quality level.

Abstract: This application discloses a method and an apparatus for determining a fault type. The method includes: performing online real-time calculation on operating data generated by each of a plurality of users within a preset period, to obtain an operating feature value corresponding to the operating data generated by each of the plurality of users within the preset period; receiving a fault classification request, where the fault classification request requests to determine a fault type of a fault that is caused for a target user before a target moment; and determining, according to the fault classification request, the fault type of the fault that is caused for the target user before the target moment based on a fault classification model and an operating feature value that is of the target user within at least one preset period.

Abstract: A fault tolerance method is provided for a distributed stream processing system. The method includes: obtaining, by a working node, information of a failed node, and receiving retransmission data sent by an upstream node, where the retransmission data is originally sent by a source node to the failed node; determining, according to the information of the failed node, whether the failed node is related to the working node; and if the failed node is related to the working node, processing the received retransmission data, and sending the processed retransmission data to a downstream node. In the present application, retransmission data sent by an upstream node is received by a working node, and after it is determined that a failed node is related to the working node, the received retransmission data is processed, so that the retransmission data sent by the upstream node is processed only when the failed node is related to the working node.

Abstract: The method including: obtaining identity information and location information of a user terminal, and monitoring, according to the identity information and the location information, whether the user terminal has moved to a target region; obtaining a target network quality level if the user terminal has moved to the target region, where the target network quality level includes a current network quality level of the user terminal in the target region; querying whether the user terminal has a historical network quality level in the target region; if the user terminal has the historical network quality level in the target region, obtaining the historical network quality level, and evaluating network quality of the user terminal in the target region according to the historical network quality level and the target network quality level.

Abstract: A junk information filtering method, including: detecting an Hypertext Transfer Protocol (HTTP) request data packet set generated according to that a user visits a target uniform resource locator (URL) by using a browser of a client, where the HTTP request data packet set includes at least one junk information request data packet and at least one non-junk information request data packet; identifying the junk information request data packet in the HTTP request data packet set according to a preset classification rule; and preventing, according to a preset interception policy, a destination host corresponding to the junk information request data packet from returning a junk information response data packet to the client. The embodiments of the present invention further disclose a junk information filtering apparatus. According to the present invention, accuracy of web page junk information filtering can be improved and user traffic can be saved.

Abstract: Embodiments of the present invention disclose a defect prediction method and apparatus, which relate to the data processing field, and implement accurate and quick locating of a defect in a faulty product. A specific solution is as follows: selecting a training attribute set from a pre-stored product fault record according to a target attribute, and combining the target attribute and the training attribute set into a training set, where the target attribute is a defect attribute of a historical faulty product; generating a classifier set according to the training set, where the classifier set includes at least two tree classifiers; and predicting a defect of a faulty product by using the classifier set as a prediction model. The present invention is used in a process of predicting a defect of a faulty product.

Abstract: A voice service evaluation processing method and apparatus may include acquiring record data related to a to-be-evaluated voice service; using a voice service evaluation model that is acquired according to record data related to a voice service to evaluate the record data related to the to-be-evaluated voice service, so as to acquire an evaluation value of the record data related to the to-be-evaluated voice service; and performing, according to the evaluation value, evaluation processing on a voice service corresponding to the record data related to the to-be-evaluated voice service. The embodiments of the present disclosure provide a more reliable basis for improvement and optimization of a voice service. In addition, an actual status of a network may further be reflected according to evaluation performed on record data related to the voice service, and adjustment on a network indicator may further be performed according to the reflected network status.

Abstract: Embodiments of the present invention provide a method and an apparatus for network traffic simulation. The method includes: obtaining traffic information and user requirement information of a to-be-simulated IP network; analyzing the traffic information to generate a traffic characteristic; according to correspondence between user requirement information and traffic models, obtaining a traffic model corresponding to the user requirement information; and generating, through simulation, traffic of the to-be-simulated IP network according to the traffic characteristic and the traffic model. The embodiments of the present invention can improve flexibility and an emulation degree of traffic simulation.

Abstract: A fault tolerance method is provided for a distributed stream processing system. The method includes: obtaining, by a working node, information of a failed node, and receiving retransmission data sent by an upstream node, where the retransmission data is originally sent by a source node to the failed node; determining, according to the information of the failed node, whether the failed node is related to the working node; and if the failed node is related to the working node, processing the received retransmission data, and sending the processed retransmission data to a downstream node. In the present application, retransmission data sent by an upstream node is received by a working node, and after it is determined that a failed node is related to the working node, the received retransmission data is processed, so that the retransmission data sent by the upstream node is processed only when the failed node is related to the working node.

Abstract: A voice service evaluation processing method and apparatus may include acquiring record data related to a to-be-evaluated voice service; using a voice service evaluation model that is acquired according to record data related to a voice service to evaluate the record data related to the to-be-evaluated voice service, so as to acquire an evaluation value of the record data related to the to-be-evaluated voice service; and performing, according to the evaluation value, evaluation processing on a voice service corresponding to the record data related to the to-be-evaluated voice service. The embodiments of the present disclosure provide a more reliable basis for improvement and optimization of a voice service. In addition, an actual status of a network may further be reflected according to evaluation performed on record data related to the voice service, and adjustment on a network indicator may further be performed according to the reflected network status.

Abstract: A method, an apparatus and a system for cooperative resources scheduling and cooperative communication are provided. The method for cooperative resources includes: obtaining, by a network central controller, statistical information of all the users dominated by it in a first time period, dividing base stations to base station cooperative clusters according to the statistical information, and transmitting cooperative cluster dividing result to the base stations. The corresponding method and apparatus for cooperative communication are also provided. The solutions of the embodiments of the present disclosure can increase the transmission rate and user experience for the users at the edge of the cooperative cluster, and improve the fairness of the system users, while reducing the signaling overhead of the system, separating the computational tasks and reducing the difficulty of implementing the whole system.

Abstract: A junk information filtering method, including: detecting an Hypertext Transfer Protocol (HTTP) request data packet set generated according to that a user visits a target uniform resource locator (URL) by using a browser of a client, where the HTTP request data packet set includes at least one junk information request data packet and at least one non-junk information request data packet; identifying the junk information request data packet in the HTTP request data packet set according to a preset classification rule; and preventing, according to a preset interception policy, a destination host corresponding to the junk information request data packet from returning a junk information response data packet to the client. The embodiments of the present invention further disclose a junk information filtering apparatus. According to the present invention, accuracy of web page junk information filtering can be improved and user traffic can be saved.

Abstract: A method and an apparatus for selecting a reference tag used for positioning are provided. The method includes: obtaining first signal strength emitted by a reference tag and second signal strength emitted by a tag to be positioned, where the first signal strength and the second signal strength are detected by each radio frequency reader; comparing the first signal strength with the second signal strength to determine a boundary of the radio frequency readers, and dividing a network into a first area and a second area with the boundary; determining an estimated direction of the tag to be positioned relative to the reference tag according to a relative position of the reference tag and the boundary; and according to the estimated direction and according to the specified number of reference tags, selecting a valid reference tag group as the reference tag used for positioning.

Abstract: The present invention relates to mobile communication technologies, and discloses a method and an apparatus for registration, communication, and handover of a Mobile Node (MN). The present invention is intended to overcome the bottlenecks of data traffic and processing capability in the home network in the prior art. A distributed mobility management system is provided herein. The system includes at least two Mobility Management Anchors (MMAs): any two MMAs are interconnected; at least one terminal exists in each MMA connection; each MMA stores a terminal binding relationship table; and the terminal binding relationship table records identifiers (IDs) and Internet Protocol (IP) addresses of terminals. The distributed mobility management system under the present invention can balance load, improve the data processing capability, simplify the signaling interaction in various procedures, and improve the system processing capability.

Abstract: Embodiments of the present invention disclose a defect prediction method and apparatus, which relate to the data processing field, and implement accurate and quick locating of a defect in a faulty product. A specific solution is as follows: selecting a training attribute set from a pre-stored product fault record according to a target attribute, and combining the target attribute and the training attribute set into a training set, where the target attribute is a defect attribute of a historical faulty product; generating a classifier set according to the training set, where the classifier set includes at least two tree classifiers; and predicting a defect of a faulty product by using the classifier set as a prediction model. The present invention is used in a process of predicting a defect of a faulty product.

Abstract: Embodiments of the present invention provide a method and device for synthesis of network traffic. The method includes extracting a first real traffic composition parameter sequence and a second real traffic composition parameter sequence from real traffic. A first synthetic traffic composition parameter sequence is generated. Relational coefficients between first traffic composition parameters and second traffic composition parameters are obtained. A second synthetic traffic composition parameter sequence is generated and synthetic traffic is generated according to the first synthetic traffic composition parameter sequence and the second synthetic traffic composition parameter sequence.

Abstract: Embodiments of the present invention provide a method, network element device, and network system for associating a terminal device with a network. The method for associating a terminal device with a network includes: receiving an Association Request message sent by a terminal device, where the Association Request message includes information of a request for associating the terminal device with a sensor network and an IP identifier; processing, according to the Association Request message, the request for associating the terminal device with a sensor network; when it is determined, according to the IP identifier, that the terminal device requests association with an IP network, sending an IP network Association Request message to an Edge Router; receiving a result of processing, by the Edge Router, the request for associating the terminal device with the IP network; sending an Association Respond message to the terminal device.

Abstract: Embodiments of the present invention provide a method and device for synthesis of network traffic. The method includes extracting a first real traffic composition parameter sequence and a second real traffic composition parameter sequence from real traffic. A first synthetic traffic composition parameter sequence is generated. Relational coefficients between first traffic composition parameters and second traffic composition parameters are obtained. A second synthetic traffic composition parameter sequence is generated and synthetic traffic is generated according to the first synthetic traffic composition parameter sequence and the second synthetic traffic composition parameter sequence.