100results about How to "Avoid data redundancy" patented technology

Methods, systems, and articles of manufacture consistent with the present invention eliminate data redundancies. A first data block identifier is obtained for a first data block, the first data block identifier being calculated based on data of the first data block. It is determined whether a second data block identifier matching the first data block identifier exists, the second data block identifier being calculated based on data of a second data block. When it is determined that the second data block identifier matching the first data block identifier exists, the first data block identifier is indicated as being is redundant.

Methods and apparatus, including computer program products, for sharing data. The technique includes creating at least one data object in a central system, the data object including a complete object definition, and dependencies to other objects, mapping at least one data object to other data objects in the central system, and distributing data objects from the central system to one or more client systems, where the one or more client systems.

The invention discloses a method for realizing data sharing between a power distribution main station system and a power distribution GIS (Geographic Information System). The method comprises the following steps of: establishing a pattern model: establishing a corresponding model scanning file and a figure scanning file for power equipment belonging to a power distribution grid in the GIS; exporting files: exporting the model scanning file and the figure scanning file into a model information file in the format of xml and a pattern information file in the format of SVG (Video Graphics Array) which follows the IEC 61970/IEC 6196I standard; transmitting files: transmitting the exported model information file and the pattern information file from the GIS to the main station system; and converting files: after the main station system receives the model information file and the pattern information file, converting the files into a model file and a pattern file of private formats of the main station system for saving respectively. The invention further discloses a system for realizing data sharing between a power distribution main station system and a power distribution GIS. By adopting the method and the system, system combination and data sharing inside a power grid information system can be realized effectively, and the investment and maintenance costs are lowered greatly.

The invention relates to a method and a device for increasing a retrieval speed in a database retrieval system and belongs to the technical field of database retrieval. The method comprises the following steps: establishing a data cache in an internal storage; after obtaining an index word, searching in the data cache; if a cache record of a corresponding index word is found in the data cache, generating and returning a retrieval result set according to the cache record and ending the retrieval at this time; if the cache record is not found in the data cache, retrieving the database and returning the retrieval result set; and if the retrieval result set is not empty, writing the index word and the retrieval result set into the data cache. The invention also discloses the device for increasing the retrieval speed in the database retrieval system. In the mode of caching after using, the device reduces the system resource consumed by establishing the cache and increases the use ratio of the cache. In the mode of caching the result set, the caching mechanism is more convenient and quick.

A method and device for monitoring an electrical network, including: a mechanism detecting electrical signals and additional signals produced in the electrical network, the additional signals being of a different physical nature to the electrical signals; a mechanism for processing the electrical signals to define a first time reference representing a detection time of the electrical signals emitted upon a fault event arising in the electrical network; a mechanism processing the additional signals to define a second time reference representing a detection time of the additional signals emitted upon the fault event arising in the electrical network; and a processor spatially locating the fault event in the electrical network according to the first and second time references.

The invention relates to a multi-time scale convolutional neural network soft measurement method based on an attention mechanism, and belongs to the technical field of soft measurement. The method comprises the following steps: 1, determining an auxiliary variable, carrying out data processing, selecting an easily-measured variable related to a difficult-to-measure parameter as the auxiliary variable of a soft measurement model, and collecting a time sequence of the auxiliary variable and the difficult-to-measure parameter; abnormal value elimination is carried out on the collected time sequence; 2, selecting an attention mechanism and an attention area, and dividing the attention area according to the time delay and the effective time scale of each auxiliary variable relative to the difficult-to-measure parameters; 3, constructing the input of a soft measurement model, forming a matrix by the time sequence of each auxiliary variable, and determining the input of the soft measurement model by combining the attention area of the attention mechanism; 4, establishing a time sequence convolutional neural network soft measurement model; 5, training a time sequence convolutional neural network soft measurement model; and 6, carrying out real-time estimation on unmeasured parameters by utilizing the time sequence convolutional neural network model trained in the step 5.

The invention provides an undersampled leaf apex timing vibration signal reconstruction method and a device thereof. The method comprises the steps of (1) acquiring the displacement sampling data of a non-uniform blade end based on a blade end timing vibration measurement system; (2) determining the vibration characteristics of a high-speed blade and the frequency band range of the high-speed blade; (3) based on the periodic non-uniform sampling theory, completing the interpolation reconstruction for the vibration signal of the blade. The vibration displacement is acquired by a first blade end timing sensor and a second blade end timing sensor, wherein the first blade end timing sensor and the second blade end timing sensor are arranged in a casing. Based on the method, reconstructed signals are agonic and non-biased. Meanwhile, only by means of two blade end timing sensors, corresponding data can be acquired. In this way, not only data can be acquired completely and accurately, but also the cost is effectively reduced.

The invention provides an inhomogeneous undersampled blade end timing vibration signal reconstruction method and device, and the method comprises the following steps: 1), obtaining inhomogeneous blade end displacement sampling data through employing a blade end timing vibration measurement system; 2), determining the vibration characteristics and frequency band range of a high-speed blade; 3), achieving the interpolation reconstruction of a blade vibration signal based on a periodic inhomogeneous sampling principle. The method causes no deviation and aliasing during signal reconstruction.

The invention discloses a hyperspectral remote sensing image vector C-V model segmentation method based on wave band selection. Firstly, according to a spectral curve, wave bands high in contrast ratio between a target and the background are selected, further, according to relevant coefficients of the wave bands, the wave bands high in relevancy are removed so that a new wave band combination can be formed, and therefore according to the determined wave band assembly, a hyperspectral image vector matrix is established; on the basis, a vector C-V segmentation model based on the vector matrix is constructed, the edge guiding function based on gradient is introduced into the model, on the basis that a traditional C-V model is reserved to perform image segmentation based on area information, the capacity for capturing the target boundary in heterogeneous areas and under complex background conditions is enhanced through edge detail information of images, segmentation precision of the hyperspectral remote sensing images is improved, segmentation speed of the hyperspectral remote sensing images is increased.

The invention provides a data transmission method, data transmission equipment and a data transmission system. The method comprises the following steps of establishing a long connection between a second client and a long connection server by utilizing a network; receiving data which is forwarded by the long connection server and comes from a first client; sending the data to a first server by the first client, and forwarding to the long connection server by the first server. According to the data transmission method, the data transmission equipment and the data transmission system provided by the invention, the information sharing problem between the first client and the second client is solved, so that a user can synchronize information between the two clients in time, and therefore, the phenomenon that the user performs repeated and complicated operations on different clients is avoided, the user time is shortened, and the user experience is enhanced.

The invention relates to the field of data distribution, in particular to a data subscription and distribution method applicable to a delay-tolerant and disconnection-tolerant network. The method is achieved through the technical scheme. According to the technical scheme, the data subscription and distribution method applicable to the delay-tolerant and disconnection-tolerant network includes the steps that first, information source nodes perform data packet code issuing; second, relay nodes perform code forwarding; third, an information sink issues a theme subscription packet; fourth, the theme subscription packet is processed by the relay nodes; fifth, the relay nodes perform congestion control processing on a theme data issuing table and a theme information subscription table; sixth, information sink nodes perform data decoding; seventh, ACK data packets are processed by the relay nodes. Through the method, a network code transmission mechanism, a data subscription and distribution mechanism and functions such as a data congestion control function are fused, and the function of data distribution in a delay-tolerant and disconnection-tolerant network environment is achieved.

The invention discloses a configurable data processing method and system and a mobile platform. The mobile platform is provided with configuration information, and the method comprises the following steps: receiving a access request of mobile object, wherein the access request is generated by the mobile object through a mobile terminal; carrying out first processing on data information to be accessed in the access request according to interface configuration information corresponding to the access request on the mobile platform to obtain target access server information and target access directory information; sending the target access directory information to a target application server corresponding to the target access server information, obtaining target data corresponding to the target access directory information by the target application server, and carrying out second processing on the target data according to data structure configuration information on the mobile platform; receiving target data after the second processing and sent by the target application server; carrying out third processing on the target data after the second processing; and sending the target data after the third processing to the mobile terminal.

The invention discloses a method and a terminal for processing road data and interest point data in a map. During navigation, a rendered road sign corresponding to a navigation road sign is obtained,and then shape point data corresponding to the rendered road sign is obtained from an offline map tile to serve as shape point data corresponding to the navigation road sign. A terminal further downloads interest point data associated with a display level from a server and stores the interest point data, and the interest point data corresponding to the display level can be obtained from the locally stored interest point data during map interface display and offline search. The method is advantaged in that functions of navigation, interest point search and the like can be realized by using offline map data with small data volume, data redundancy is avoided, the data transmission quantity can be reduced, and the occupied storage space is small.

The invention discloses a multi-terminal cooperative bullet screen message blocking method, a storage medium, equipment and a system, and relates to the technical field of internet mobile terminal application development. The method comprises the steps that an anchor end sends sensitive words added by the anchor to a server for storage, and obtains a sensitive word library from the server for storage; a user end obtains a corresponding sensitive word library when the user enters a live broadcast room; when the user is about to send a bullet screen message, the bullet screen message is comparedwith the sensitive word library, and if the bullet screen message contains sensitive words, the user is forbidden from sending the bullet screen message; each time the anchor end receives one bulletscreen message, the bullet screen message is compared with a locally stored sensitive word library, and if the bullet screen message contains sensitive words, the bullet screen message can be blocked.According to the method and device, the blocking process of the sensitive word bullet screen messages can be transmitted to the user end and the anchor end for cooperative processing, so that the pressure of the server is greatly reduced, the service quality of the server is high, and the user experience is good.

The invention discloses a data inquiry method and system. The method comprises the following steps: adding an interface module into a database server; setting a static protocol base for storing static inquiry protocols, wherein the static inquiry protocols correspond to data in the database server; sending a first inquiry request to the database server by a client server, wherein the first inquiry request carries a first inquiry protocol; inquiring whether the static inquiry protocol matched with the first inquiry protocol is stored in the static protocol base or not by the interface module; if so, acquiring data corresponding to the static inquiry protocol matched with the first inquiry protocol and transmitting the data to the client server; otherwise, rejecting the first inquiry request. By adopting the data inquiry method and system, the disadvantages in the prior art that data redundancy and blocked transmission channels are caused when a client and a target source server are in interface butt joint are overcome; and an interface model and a customer server are matched and the aim of data slimming by utilizing the static inquiry protocols and dynamic inquiry protocols is realized, so that the data transmission efficiency is improved.

The embodiment of the invention provides an instance deployment method and system. The method is applied to a cluster management system. The cluster management system comprises a container gateway forsetting a unique entry address for a plurality of clusters. The method comprises the following steps that: an application deployment instruction sent by a user after logging in the container gatewaythrough logging in the unique entry address is received, the application deployment instruction comprises a target cluster ID; the application deployment instruction is sent to Kubeapps correspondingto the target cluster ID, so that the chartsvc of the Kubeapps obtains chart packet configuration information from a chart warehouse, and the tiler-proxy of the Kubeapps downloads a chart packet fromthe chart warehouse, so that a chart instance corresponding to the chart packet is deployed in the target cluster according to the chart packet configuration information. Therefore, the deployment ofthe chart instances in the plurality of clusters can be realized through the container gateway provided with the unique entry address, and a front end is not needed to be deployed for the clusters; and therefore, cluster resources are saved, and data redundancy is avoided.

The invention discloses a network resource collection processing method and a server. The network resource collection processing method comprises the following steps: receiving a collection request sent by a terminal account, and generating a file identifier according to network resources corresponding to the collection request; looking up whether or not network resources corresponding to the file identifier exist in a content buffer; when the network resources corresponding to the file identifier exist in the content buffer, stopping storing the network resources; and newly building an index entry in an index table corresponding to the terminal account in an index buffer, and storing the file identifier in the newly-built index entry in the index buffer. Indexes and the network resources are stored separately, and the network resources are not stored repeatedly when the network resources are already stored in the content buffer, so that data redundancy caused by repeated storage is avoided; the storage space occupied by the network resources is reduced; and the waste of the storage space is avoided.

The embodiment of the invention provides a soil moisture data collection method and device, and relates to the technical field of environment monitoring, and the method comprises the steps: controlling the sampling frequency of soil moisture data to be a sampling frequency corresponding to a time period according to the time period of a current moment; if the sudden weather event is monitored within the time period, the sampling frequency of the soil moisture data is increased to be the sampling frequency corresponding to the sudden weather event; and recovering the sampling frequency of the soil moisture data as the sampling frequency corresponding to the time period of the current moment when the sudden weather event is finished. According to the scheme, when weather changes, the sampling frequency can be expanded in time, then complete soil moisture data can be collected, the sampling frequency can be recovered at other times, and therefore data redundancy is avoided, and energy consumption of data collection is reduced.

The invention provides a data management method and a data management device. The data management method includes the steps: determining characteristics of data of component levels in a BIM (building information modeling) item; using identifications corresponding to the characteristics to divide and organize the data. According to the technical scheme, a large amount of data redundancies can be avoided, so that high storage cost is avoided, and the access performance of the data is ensured.