Abstract: Facilitation of determination of detailed location of a source signal is provided. In one embodiment, a device comprises a memory that stores computer executable components; and a processor that executes computer executable components stored in the memory. The computer executable components can comprise: a low-resolution computation logic component that implements a coarse algorithm and determines an approximate direction of arrival (DOA) of a source signal of an input signal, wherein the coarse algorithm uses both a coarse spatial grid and input data received from the input signal to determine the approximate DOA; and an error estimation logic component that estimates an estimation error of the coarse algorithm, and wherein the error estimation logic component uses the estimation error and the approximate DOA to determine a spatial interval range.

Abstract: A data processing method, an apparatus, a device, and a medium in a blockchain fund settlement system are provided. A data processing method in a blockchain fund settlement system, performed by at least one processor of a settlement institution terminal, includes: querying, on a blockchain, a settlement request that is to be processed by the settlement institution terminal between a fund settlement initiator and a fund settlement recipient, the settlement request being generated by an initiator terminal of the fund settlement initiator and recorded on the blockchain; receiving the settlement request based on the querying; and generating a settlement result of a settlement performed according to the settlement request, and recording the settlement result on the blockchain.

Abstract: There is provided a reception device including a receiver configured to receive a wavelength-multiplexed optical signal so as to generate a wavelength-multiplexed signal, a filter configured to pass through the wavelength-multiplexed signal having a specific wavelength and an adjacent wavelength to the specific wavelength from the wavelength-multiplexed signal, and a processor configured to detect a specific signal having the specific wavelength from the wavelength-multiplexed signal having the passed through wavelengths by the filter, and detect a first supervisory control signal having the specific wavelength and a second supervisory control signal having the adjacent wavelength from the wavelength-multiplexed signal having the passed through wavelengths by the filter.

Abstract: A method of message adaptation in the Internet of Things (IoT) including a data center having a plurality of applications, an application gateway, a wide area network, a network of access appliances and a plurality of sensing devices. The method includes receiving at the application gateway a message containing data collected by the plurality of sensors, the message having a message descriptor; generating at the application gateway a message template based on the message descriptor; integrating context information into the generated message template; and outputting the message with the generated message template from the application gateway to a corresponding application in the data center for content-based processing.

Abstract: A method of message adaptation in the Internet of Things (IoT) including a data center having a plurality of applications, an application gateway, a wide area network, a network of access appliances and a plurality of sensing devices. The method includes receiving at the application gateway a message containing data collected by the plurality of sensors, the message having a message descriptor; parsing at the application gateway the message according to the message descriptor; generating at the application gateway a message template based on the parsed message descriptor; storing at the application gateway the generated message template in memory; integrating context information into the generated message template; and outputting the message with the generated message template from the application gateway to a corresponding application in the data center for content-based processing.

Abstract: A method and apparatus for implementing a virtual local area network. The method includes determining a global virtual local area network for transmitting a data frame in response to receiving the data frame at a first switch, encapsulating the data frame based at least in part on said determination and transmitting it to at least one second switch over the determined global virtual local area network. The data frame is received at the second switch and an identifier of the global virtual local area network is obtained according to the data frame. Based at least in part on the identifier of the global virtual local area network, it is determined that which local virtual local area network served by the second switch the de-capsulated data frame can be sent to.

Abstract: Techniques for parsing a message comprising at least one data field are provided. One computer-implemented method comprises: determining, by an electronic device operatively coupled to a processing unit, a first model from a first category of data processing models; and determining, by the electronic device, a second model from a second category of data processing models, the second category being different from the first category. The computer-implemented method also comprises comparing, by the electronic device, performance of a first combined model of first and second models with performance of the first model; and selecting, by the electronic device, a target model for processing data from the first combined model and the first model based on the comparing.

Abstract: A method and apparatus for implementing a virtual local area network. The method includes determining a global virtual local area network for transmitting a data frame in response to receiving the data frame at a first switch, encapsulating the data frame based at least in part on said determination and transmitting it to at least one second switch over the determined global virtual local area network. The data frame is received at the second switch and an identifier of the global virtual local area network is obtained according to the data frame. Based at least in part on the identifier of the global virtual local area network, it is determined that which local virtual local area network served by the second switch the de-capsulated data frame can be sent to.

Abstract: An optical transmission device includes: a frontend circuit, a converter, an equalizer, a recovery, spectrum detector a correction information generator, and a transmitter. The frontend circuit converts an optical signal received via an optical network into an electric signal. The converter converts an output signal of the frontend circuit into a digital signal. The equalizer equalizes the digital signal or a second digital signal that is generated based on the digital signal. The recovery recovers a symbol from an output signal of the equalizer. The spectrum detector detects a reception spectrum of the optical signal based on the digital signal or the second digital signal. The correction information generator generates, according to the reception spectrum, correction information for correcting a shape of a transmission spectrum of the optical signal. The transmitter transmits the correction information to the source device.

Abstract: A transmission system includes a first transponder including a first I/Q modulator, and a second transponder including a second I/Q modulator, and configured to communicate with the first transponder using a frequency modulation scheme, wherein the first transponder is configured to set a first phase rotation mode in a first state for first light signal output from the first I/Q modulator, and transmit, to the second transponder, a first command to specify a second phase rotation mode for second light signal output from the second I/Q modulator, and the second transponder is configured to set, in response to the first command, the second phase rotation mode in a state specified by the first command.

Abstract: A transmission device includes: a receiving unit that receives an optical signal; an acquiring unit that acquires spectrum information from the optical signal, the spectrum information relating to a spectrum of the optical signal; and a narrowing calculating unit that calculates an index value for narrowing of a band of the optical signal by calculating a sampling timing error in accordance with the spectrum information, the sampling timing error being an error when a clock signal is extracted from the optical signal.

Abstract: Facilitation of determination of detailed location of a source signal is provided. In one embodiment, a device comprises a memory that stores computer executable components; and a processor that executes computer executable components stored in the memory. The computer executable components can comprise: a low-resolution computation logic component that implements a coarse algorithm and determines an approximate direction of arrival (DOA) of a source signal of an input signal, wherein the coarse algorithm uses both a coarse spatial grid and input data received from the input signal to determine the approximate DOA; and an error estimation logic component that estimates an estimation error of the coarse algorithm, and wherein the error estimation logic component uses the estimation error and the approximate DOA to determine a spatial interval range.

Abstract: A computer-implemented method uses a predictive time-sequence model to adapt hardware configurations at run-time for an application including multiple stages of execution. At each stage a system monitor is started at the launch of a first task in a first run to collect performance data. The system monitor is stopped at the completion of a last task in the first run, then a predictive optimal configuration is computed and applied to the remaining runs in the stage.

Abstract: A method for controlling a pipeline-based processor. The method includes determining a change in a workload. The method also includes activating or shutting down, by at least one controller circuit, one or more of the plurality of enhanced pipeline stages based on at least one corresponding enhanced stage priority level of the one or more of the plurality of enhanced pipeline stages and requirements for performance of the workload. The method additionally includes activating or shutting down, by the at least one controller circuit, one or more of the plurality of enhanced modules of the particular pipeline stage based on at least one corresponding priority level of the one or more of the plurality of enhanced modules of the particular pipeline stage and the requirements for the performance of the workload.

Abstract: A system and method for patching an application running in a computing system, the method comprising: in response to that there is a need to patch a first content and the first content has been in the memory, distinguishing between a new content and an old content, the new content being the patched first content, the old content being the first content that has been in the memory; and in response to that the new content is loaded to the memory, mapping to the new content a new process that needs to apply the first content, wherein the new process comprises a process that is started after loading the new content to the memory. An apparatus for patching an application is further disclosed. With the apparatus provided, it is possible to perform dynamic patching to a virtual machine or a physical machine without stopping a running process.

Abstract: A transmission device includes: a receiving unit that receives an optical signal; an acquiring unit that acquires spectrum information from the optical signal, the spectrum information relating to a spectrum of the optical signal; and a narrowing calculating unit that calculates an index value for narrowing of a band of the optical signal by calculating a sampling timing error in accordance with the spectrum information, the sampling timing error being an error when a clock signal is extracted from the optical signal.

Abstract: A method of message adaptation in the Internet of Things (IoT) includes receiving a message containing data collected by the plurality of sensors, identifying a message type, looking up a message descriptor according to the message type, looking up a message template matching the message type and outputting the message with the matched message template for content-based processing. In one embodiment, the method includes identifying the message is a text message, parsing the message according to message type and message descriptor, and creating a sequence of key-value pairs for the text message. In one embodiment the method includes determining that there is no matched or valid matched message template and parsing the message according to the message descriptor to generate and store a message template including the message type, a message item list and a message item position list and attaching the message template to the message.

Abstract: A method and system for processing file storage is provided. The method includes receiving a file storage request and determining a file size of a file which is requested to be stored. In response to determining that the file is a small file, a request is sent to an HBase to store the file into the HBase. In response to determining that the file is a large file, a request is sent to a HDFS to store the file into the HDFS. Information associated with the file is stored in a record.

Abstract: A transmission system includes a first transponder including a first I/Q modulator, and a second transponder including a second I/Q modulator, and configured to communicate with the first transponder using a frequency modulation scheme, wherein the first transponder is configured to set a first phase rotation mode in a first state for first light signal output from the first I/Q modulator, and transmit, to the second transponder, a first command to specify a second phase rotation mode for second light signal output from the second I/Q modulator, and the second transponder is configured to set, in response to the first command, the second phase rotation mode in a state specified by the first command.

Abstract: A method of message adaptation in the Internet of Things (IoT) including a data center having a plurality of applications, an application gateway, a wide area network, a network of access appliances and a plurality of sensing devices. The method includes receiving at the application gateway a message containing data collected by the plurality of sensors, the message having a message descriptor; parsing at the application gateway the message according to the message descriptor; generating at the application gateway a message template based on the parsed message descriptor; storing at the application gateway the generated message template in memory; integrating context information into the generated message template; and outputting the message with the generated message template from the application gateway to a corresponding application in the data center for content-based processing.