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47 results about "Information sensitivity" patented technology

Information sensitivity is the control of access to information or knowledge that might result in loss of an advantage or level of security if disclosed to others. Loss, misuse, modification, or unauthorized access to sensitive information can adversely affect the privacy or welfare of an individual, trade secrets of a business or even the security and international relations of a nation depending on the level of sensitivity and nature of the information.

Context-aware auxiliary display platform and applications

InactiveUS20050243019A1Digital data processing detailsProgram control using record carriers with instructionsDisplay deviceContext data
Described is a mechanism by which application programs (or plug-ins) and an auxiliary service adjust the output and / or data available for output on an auxiliary device based on changes detected in the current context of the auxiliary display. Context sensors detect and report changes in context, whereby some action is taken with respect to what information is displayed or can be displayed on the auxiliary display device. Examples of context data that can change include the physical location of the display, detected movement or motion data, presence of a particular user or others, power state, network connectivity status, privacy status and so forth. The auxiliary device can have context as to its position relative to the main display. Information sensitivity levels may be used to specify whether an application program's data can be displayed, based on the perceived sensitivity of the information and the user's current context.
Owner:MICROSOFT TECH LICENSING LLC

Device and method for analyzing reputation for objects by data mining

A device for analyzing reputation for objects by data mining is provided. The device includes a big data collector assembly collecting first information from a web page, a text preprocessor assembly analyzing morpheme information from an original text of the first information, an ontology dictionary extender assembly classifying the morpheme information according to each category and extracting an associated word, an object recognizer assembly measuring similarity between the associated word from the morpheme information to recognize a plurality of entity names associated with a first object, an information sensitivity classifier assembly classifying sensitivity of the first information based on a frequency of a sensitive word associated with the first object from the morpheme information, and a risk evaluation modeler assembly deriving a numeric risk value of the first information according to a numeric sensitivity value of the sensitive word and a weight value level for evaluating event importance.
Owner:INST FOR SUSTAINABLE DEV

Control device for motorized power steering device

The present invention provides an electric power steering apparatus for controlling a motor based on a current command value calculated from a steering assist command value calculated based on a steering torque generated in a steering shaft and from a current detection value of the motor which gives a steering mechanism a steering assist force. In order to realize ideal road information sensitivity and steering feeling in frequency region at the same time, the electric power steering apparatus comprises a torque filter for processing a torque signal, an SAT estimating function, and an SAT filter for signal-processing SAT information from the SAT estimating function, and the electric power steering apparatus also comprises a control system with two degree of freedom which is capable of independently designing frequency characteristics of steering feeling and road information sensitivity.
Owner:NSK LTD

Context-aware auxiliary display platform and applications

InactiveUS7511682B2Digital data processing detailsProgram control using record carriers with instructionsDisplay deviceContext data
Described is a mechanism by which application programs (or plug-ins) and an auxiliary service adjust the output and / or data available for output on an auxiliary device based on changes detected in the current context of the auxiliary display. Context sensors detect and report changes in context, whereby some action is taken with respect to what information is displayed or can be displayed on the auxiliary display device. Examples of context data that can change include the physical location of the display, detected movement or motion data, presence of a particular user or others, power state, network connectivity status, privacy status and so forth. The auxiliary device can have context as to its position relative to the main display. Information sensitivity levels may be used to specify whether an application program's data can be displayed, based on the perceived sensitivity of the information and the user's current context.
Owner:MICROSOFT TECH LICENSING LLC

Control device for motorized power steering device

The present invention provides an electric power steering apparatus for controlling a motor based on a current command value calculated from a steering assist command value calculated based on a steering torque generated in a steering shaft and from a current detection value of the motor which gives a steering mechanism a steering assist force. In order to realize ideal road information sensitivity and steering feeling in frequency region at the same time, the electric power steering apparatus comprises a torque filter for processing a torque signal, an SAT estimating function, and an SAT filter for signal-processing SAT information from the SAT estimating function, and the electric power steering apparatus also comprises a control system with two degree of freedom which is capable of independently designing frequency characteristics of steering feeling and road information sensitivity.
Owner:NSK LTD

Intelligent terminal App permission privacy risk monitoring and evaluation system and method

The invention discloses an intelligent terminal App permission privacy risk monitoring and evaluation system and method. Aiming to solve the problem of privacy disclosure of a user caused by user permission abuse in the application process of an existing intelligent terminal App and solve the technical problems of large data acquisition amount, high calculation complexity, high implementation difficulty, easy misjudgment and the like in the prior art, the invention provides an intelligent terminal App permission privacy risk detection and evaluation method and a privacy disclosure blocking system, being characterized by collecting an App permission list and related information; calculating permission analysis of an App to be detected, an App of the same kind, an App of the same function and an App of the same developer and privacy information sensitivity of related permissions, so as to provide the privacy disclosure risk evaluation method for the intelligent terminal App permission, and providing an unloading prompt for blocking high-risk App permission or App according to permission privacy disclosure risk grading, so that efficient, convenient and accurate intelligent terminal App permission privacy disclosure risk evaluation and blocking are realized, and the privacy of a user is protected.
Owner:GUIZHOU UNIVERSITY OF FINANCE AND ECONOMICS

Intelligent power utilization terminal and Intelligent power utilization method based on real-time electricity price

The present application relates to the technical field of intelligent power utilization terminals, in particular to an intelligent power utilization terminal and an intelligent power utilization method based on real-time electricity price. Metering, storage, processing, analysis and information interaction functions of power utilization information of a user are integrated in a light, simple and plug-and-play smart terminal, so current electricity price and power consumption incentive policies of an electricity sales company are displayed to the user in real time, electricity charges of the user in the future are predicated on the basis of stored power utilization habits of the user, and a power utilization plan targeting the lowest electricity charges or the lowest power consumption is formulated for the client. In this way, the participation degree and information sensitivity of a terminal user in an electricity sales market and in an electricity price mechanism are improved and technical support is provided for future terminal users to participate in the demand response. Meanwhile, power utilization information of the user can be provided as feedback to the electricity sales company, and data support is provided for the electricity sales company to carry out research on user types and power utilization habits to formulate demand response plans and different electricity pricemechanisms.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

Sensitive data security compliance processing system and method

ActiveCN120316821ASemantic analysisDigital data protectionInformation sensitivityDatabase
The invention provides a sensitive data security compliance processing system and method. The sensitive data security compliance processing method comprises the steps of obtaining sensitive data to be accessed; setting a plurality of sensitivity levels through semantic relevance; determining the information sensitivity of each piece of text information in each sensitivity level, and extracting a privacy risk value when a user accesses the text information in different sensitivity levels through all the information sensitivity; acquiring a historical access record, generating a behavior deviation mode of a user through the historical access record, and determining behavior credibility when the user accesses text information in different sensitivity levels according to the behavior deviation mode; and performing dynamic risk assessment according to all the behavior credibility and all the privacy risk values to obtain a plurality of risk situation values, and adjusting a security processing strategy when the user accesses the sensitive data in real time through all the risk situation values. By adopting the scheme of the invention, the sensitive data can be dynamically processed based on the behavior analysis of the user.
Owner:GUANGZHOU E23 COMPUTER CO LTD

Device and method for analyzing reputation for objects by data mining

A device for analyzing reputation for objects by data mining is provided. The device includes a big data collector assembly collecting first information from a web page, a text preprocessor assembly analyzing morpheme information from an original text of the first information, an ontology dictionary extender assembly classifying the morpheme information according to each category and extracting an associated word, an object recognizer assembly measuring similarity between the associated word from the morpheme information to recognize a plurality of entity names associated with a first object, an information sensitivity classifier assembly classifying sensitivity of the first information based on a frequency of a sensitive word associated with the first object from the morpheme information, and a risk evaluation modeler assembly deriving a numeric risk value of the first information according to a numeric sensitivity value of the sensitive word and a weight value level for evaluating event importance.
Owner:INST FOR SUSTAINABLE DEV

Intelligent fitness equipment

The invention provides intelligent fitness equipment which comprises a body and an intelligent system. The intelligent system is arranged on the body and comprises a control chip, a sensor module andan output module, and the sensor module and the output module are both connected with the control chip; in the intelligent system, the sensor module detects user's fitness action parameters, and the control chip controls the output module to give feedback on whether the fitness action is standard or not to the user and output standard fitness action guidance information. The intelligent fitness equipment has a complete human-machine interaction function system, by combining the advantages of information collection and guided fitness, the fitness process can be more scientifically detected andguided, and the user's fitness condition is automatically checked to provide a scientific reference for the next fitness process and make a personal scientific fitness plan. Besides, the intelligent fitness equipment is guided fitness equipment which does not need to be connected to a mobile phone, and is high in information sensitivity and higher in user-friendliness, convenience and intelligentization.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

Method for measuring insecurity psychology under interaction effect of construction site multiple information factors by means of behavior data platform

The invention discloses a method for measuring insecurity psychology under the interaction effect of construction site multiple information factors by means of a behavior data platform, and relates to the field of human behavior safety science. Firstly, the data statistical material of psychological changes of construction site operating personnel under the interaction effect of multiple information factors is acquired, by means of the interaction of four systems comprising an eye movement tracking system, a video behavior system, a physiology detection and analysis system and an external data acquisition and analysis system, multiple information sensitive factors in the construction site are measured, after many kinds of information is processed and analyzed, a psychological change rule curve is drafted, the threshold of the generation of insecurity psychology of the operating personnel under the interaction effect of construction site multiple information factors is worked out, an early warning boundary region is found out, and finally a computer simulation technology is employed to demonstrate and verify the scientificity and accuracy of the above method. The method for measuring insecurity psychology under the interaction effect of construction site multiple information factors by means of the behavior data platform is characterized by being high in detection efficiency and authenticity.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Clinical gene-disease risk dynamic prediction method and application thereof

The invention discloses a clinical-oriented gene-disease risk dynamic prediction method and application thereof, relates to the technical field of data prediction updating, is used for solving the problems that user information query is not timely and operation data query is low in flexibility, and analyzes user permission by collecting medical operation information data and user data and utilizing the user data to obtain a medical operation risk dynamic prediction result. And classifying the users according to the user permissions. The medical operation data importance is analyzed according to the medical operation information data, different labels are marked on different medical operation data according to the medical operation data importance, the label updating time is calculated, and the medical operation data marked by the different labels are matched with users with different permissions. And the matching feedback data and the information sensitivity change data are collected, and the label updating time and the user permission are adjusted by integrating the matching feedback data and the information sensitivity change data, so that the medical operation data query flexibility is improved.
Owner:BEIJING KANGXU MEDICAL LAB CO LTD

Wireless communication adaptive security protection method and system based on edge computing

The invention relates to the technical field of wireless communication protection, in particular to a wireless communication self-adaptive safety protection method and system based on edge computing. Capturing physical layer channel state information when the Internet of Things terminal equipment accesses the network gateway for the first time, a functional area semantic identifier of the network gateway and a current timestamp, and generating an anonymous session voucher; tracking operation track data of the anonymous session voucher, and constructing a track operation fragment; obtaining a privacy risk assessment value based on trajectory uniqueness, spatial information sensitivity and behavior association analysis of the trajectory operation fragment; when the privacy risk assessment value exceeds a preset risk threshold value, triggering a track link breaking mechanism; obtaining privacy enhanced trajectory data based on privacy protection processing and a trajectory broken link mechanism; training a virtual data generation model through the privacy enhancement trajectory data; and after the virtual data generation model converges, driving a virtual data generator in the virtual data generation model to generate a virtual operation and maintenance data stream so as to realize self-adaptive protection of wireless communication data.
Owner:SUZHOU GUANGCHI INFORMATION TECHNOLOGY CO LTD

Efficient and accurate internal post recommendation process system

PendingCN114764474AMake up for lack of experienceHighly consistent taxonomySemantic analysisOffice automationFeature extractionData modeling
The invention provides an efficient and accurate internal post recommendation process system. The efficient and accurate internal post recommendation process system comprises the following steps: S1, creating a customized QBSAI model, and constructing artificial intelligence data modeling suitable for a company by inputting two parameters of typical post description and post hierarchy list of each post type of the company; and S2, recommending positions through the constructed QBSAI model. According to the efficient and accurate internal post recommendation process system provided by the invention, the QBS system analyzes post information feature extraction by performing semantic analysis and understanding on each post description, so that effective classification of post information is realized, the accuracy is higher and more reliable, the QBS uses a function information division list of internal human resources of a company and current post information of employees, and the post recommendation efficiency is improved. The problem that the resume cannot be used due to unwilling to upload, unwilling to update, personal information sensitivity and the like is effectively solved.
Owner:汇丰软件开发(广东)有限公司

Image salient object detection method based on multi-scale low-rank decomposition and sensitive to structural information

InactiveCN103700091BImprove separabilityComplete detectionImage enhancementImage analysisGraphicsDiffusion
The invention discloses an image significance object detection method based on multiscale low-rank decomposition and with sensitive structural information. The method comprises the following steps of: a three-dimensional volume data generation stage: performing superpixel decomposition and DT (Delaunay Triangulation) on a two-dimensional image to form three-dimensional volume data corresponding to the two-dimensional image, a Biharmonic distribution calculation stage: obtaining a Biharmonic diffusion result of each superpixel point, a subgeneration description stage: performing histogram statistics on L2 distances between sampling points on Biharmonic isolines of the superpixel points to form shape description of the isolines, and a multiscale low-rank decomposition stage: obtaining a final significance object detection result by differencing sparse matrixes obtained by the low-rank decomposition under different scales and performing residual error matrix summation based on the shape description of the Biharmonic isoline of each superpixel point. The method is based on GPU (Graphics Processing) parallel implementation, can detect one or more significance objects in the image, and has the characteristics of high detection precision of the significance object, complete detection of the significance object, good noise resistance and the like.
Owner:BEIHANG UNIV

Information display method and device

The invention discloses an information display method and device, and belongs to the technical field of communication. The method comprises the steps of obtaining an environment trust level of a current environment under the condition that to-be-displayed information is determined to be private information; determining an information processing mode corresponding to the to-be-displayed informationaccording to the environment trust level and the information sensitivity level corresponding to the to-be-displayed information; and processing the to-be-displayed information according to the information processing mode, and displaying the processed to-be-displayed information. The information processing mode is determined by combining the environment trust level and the information sensitivitylevel of the environment where the user is located to process the to-be-displayed information, a screen protection film does not need to be additionally installed, privacy information of the user canbe prevented from being leaked on the basis of reducing expenditure of the user, and user experience is improved.
Owner:VIVO MOBILE COMM CO LTD

Track data acquisition system and method based on privacy perception

The invention discloses a track data acquisition system based on privacy perception, which comprises a user acquisition module, a track generation module, a privacy perception module and a track fuzzyprotection module. The invention also discloses a track data acquisition method based on privacy perception. Through acquiring system user personal information, position information of the user completing personal information acquisition is acquired, the position information is identified, whether the position information is normal position track information or not is judged, features are extracted according to the normal position information, clustering analysis is conducted on the extracted position features, a user track model is generated, perception analysis on user privacy is carried out, a user movement track diagram is generated according to privacy information sensitivity in combination with a user track model, fuzzy processing on a user movement track is carried out according toprivacy perception analysis, and a dynamic track is converted into static data for storage, thereby providing a data acquisition method with high safety and high operability, and providing a good reference basis.
Owner:钱才英

Non-contact conversation confidence rate test system and method

The embodiment of the invention discloses a non-contact conversation confidence rate test system and method. The system comprises an image collection module which is used for continuously collecting the vibration of tiny muscles of the face, neck and other parts of the body of a to-be-tested person and the overall change of the body, and then obtaining video image information; an image analysis module is used for obtaining vibration parameters of the to-be-tested person according to the pixel point vibration frequencies and amplitudes of the multiple frames of images continuously collected by the image collection module; a storage module is used for storing standard parameters reflecting psychological and physiological states and emotion changes; a comparison and judgment module is used for comparing the vibration parameters of the to-be-tested person with standard parameters to obtain a physiological reaction change index of the to-be-tested person and further obtain a lie index reflecting the credibility of the statement content of the to-be-tested person. The embodiment of the invention provides the non-contact conversation confidence rate test system and the non-contact conversation confidence rate test method, which are used for solving the problem of poor sensitivity and reliability of non-contact equipment or psychophysiological information lack in the prior art.
Owner:金纪高科智能科技(北京)有限公司

Application layer data encryption method and system based on SM4 algorithm and abstract verification

The invention relates to the technical field of data encryption, in particular to an application layer data encryption method and system based on an SM4 algorithm and abstract verification, and the method comprises the steps: obtaining to-be-encrypted text data in an application layer, and dividing the to-be-encrypted text data into a plurality of plaintext blocks; calculating the information repetition degree, the semantic association degree, the information sensitivity and the adjustment coefficient of each plaintext block; the method comprises the steps of adjusting control parameters of a chaotic mapping algorithm to obtain corresponding adjusted control parameters of each plaintext block, encrypting each plaintext block by combining the chaotic mapping algorithm and an SM4 algorithm to obtain ciphertext data, and verifying the integrity of the ciphertext data in a communication transmission process through a digital digest technology. According to the method, the S box and the round key are dynamically generated by adjusting the control parameters of the chaotic mapping algorithm, the static mode of fixing the S box and the key in the traditional SM4 algorithm is broken, the attack resistance of the plaintext block is enhanced, the risk that the plaintext block is leaked is reduced, and the encryption effect on application layer data is improved.
Owner:HANGZHOU ZHONGZHUO INFORMATION TECH CO LTD

Data sharing and opening method and system for preventing sensitive information from being leaked

PendingCN113626865ANot to be leakedDigital data protectionOriginal dataEngineering
The invention discloses a data sharing and opening method and system for preventing sensitive information from being leaked. The system comprises an original data storage library, a metadata storage library, a data calibration module, a task management module, a data processing module, a data sharing website and a data opening website. The method comprises the following steps: identifying and calibrating information sensitivity contained in original data; generating a data processing rule according to the calibration result; generating a data processing task according to the data processing rule; executing a processing task to process sensitive information contained in the original data; and providing data sharing and open services to the outside based on the processed data. According to the method and the system, the sensitive information in the data can be effectively identified, and the converted data can be automatically extracted to the physically isolated shared library and open library to provide data service externally or provide data sharing open service externally in the form of a data service interface, so that the sensitive information can be effectively prevented from being leaked, and the treatment efficiency is extremely high.
Owner:NANJING LES CYBERSECURITY & INFORMATION TECH RES INST CO LTD

Commodity information adjusting method and device, server and medium

PendingCN111563780AGood modification effectImprove modification efficiencyMarket predictionsBuying/selling/leasing transactionsE-commerceData mining
The invention discloses a commodity information adjustment method, which comprises the steps of performing accounting processing according to acquired commodity data to obtain commodity reference information; establishing an information sensitivity coefficient library according to the type information of the commodity and the user characteristic data; and receiving a request of the client for obtaining the commodity information, modifying the commodity reference information according to the information sensitivity coefficient of the user corresponding to the client to obtain target commodity information, and sending the target commodity information to the client. The commodity reference information is modified through the established information sensitivity coefficient library, so that anautomatic modification mode is realized, the commodity information modification efficiency is improved, and the transmission efficiency and real-time performance of the commodity information in the e-commerce network are kept. The invention further discloses a commodity information adjusting device, a server and a computer readable storage medium, which have the above beneficial effects.
Owner:LAUNCH TECH CO LTD

Application layer data encryption method and system based on SM4 algorithm and digest verification

The present application relates to the field of data encryption technology, and specifically to an application layer data encryption method and system based on the SM4 algorithm and digest verification. The method comprises: obtaining text data to be encrypted in the application layer and dividing it into multiple plaintext blocks; calculating the information duplication, semantic relevance, information sensitivity, and adjustment coefficient of each plaintext block; adjusting the control parameters of the chaotic mapping algorithm to obtain the adjusted control parameters corresponding to each plaintext block, combining the chaotic mapping algorithm and the SM4 algorithm to encrypt each plaintext block to obtain ciphertext data, and verifying the integrity of the ciphertext data during the communication transmission process through digital digest technology. The present application breaks the static mode of the traditional SM4 algorithm that fixes the S-box and key by adjusting the control parameters of the chaotic mapping algorithm to dynamically generate S-boxes and round keys, thereby enhancing the anti-attack capability of the plaintext block, reducing the risk of the plaintext block being leaked, and improving the encryption effect of the application layer data.
Owner:HANGZHOU ZHONGZHUO INFORMATION TECH CO LTD

O2O medical operation data privacy protection system and method

The invention discloses an O2O medical operation data privacy protection system and method, relates to the technical field of information security, and is used for solving the problems that user information query is not timely and operation data query flexibility is low when data sensitivity and user requirements are changed. Medical operation information data and user data are collected, user permission is analyzed by using the user data, and users are classified according to the user permission. The medical operation data importance is analyzed according to the medical operation information data, different labels are marked on different medical operation data according to the medical operation data importance, the label updating time is calculated, and the medical operation data marked by the different labels are matched with users with different permissions. And the matching feedback data and the information sensitivity change data are collected, and the label updating time and the user permission are adjusted by integrating the matching feedback data and the information sensitivity change data, so that the medical operation data query flexibility is improved.
Owner:BEIJING YIJIA LAO XIAO TECH CO LTD

A method of measuring unsafe psychology under the interaction of multiple information factors at the construction site using a behavioral data platform

InactiveCN105054950BInstant chain reactionPsychotechnic devicesHuman behaviorInformation processing
The invention discloses a method for measuring unsafe psychology under the interaction of multiple information factors at a construction site by using a behavioral data platform, which relates to the field of human behavior safety science, and first collects the psychological changes of relevant construction site workers under the interaction of multiple information factors The statistical data of the data, using the interaction between the four systems of eye movement tracking system, video behavior system, physiological detection and analysis system, and external data collection and analysis system, is used to measure the multi-information sensitive factors in the construction site, and the multi-category After the information is processed and analyzed, the psychological change curve is drawn, the threshold value of unsafe psychology produced by the operators under the interaction of multiple information on the construction site is calculated, and the warning boundary area is found, and finally the scientificity of the method is verified by computer simulation technology drills. sex and accuracy. The method has the characteristics of high detection efficiency and strong authenticity.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Sensitive long-term and short-term memory method based on output variation differentiation

The invention discloses a sensitive long-term and short-term memory method based on output variation differentiation. The objective of the invention is to improve the response capability of a traditional LSTM neural network to short-time information. According to the method, the neural unit of the long-term and short-term memory network with increased information sensitivity is added, so that theresponse capability of the network to short-term information can be well improved. The application real-time performance of the network is improved. More perfect real-time analysis can be carried out.Micro-actions and other contents can be further analyzed. The application value is improved.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Sensitive long-term and short-term memory method based on input variation differentiation

The invention discloses a sensitive long-term and short-term memory method based on input variation differentiation. In order to improve the response capability of a traditional LSTM neural network toshort-time information, the neural unit of the long-term and short-term memory network with information sensitivity is added, so that the response capability of the network to short-term informationcan be well improved, the application real-time performance of the network is improved, more perfect real-time analysis can be carried out, micro-actions and other contents can be further analyzed, and the application value is improved.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Method and device for protecting safety of neural network model

ActiveCN112948836AGuaranteed uptime performance and efficiencyReduce resource consumptionPlatform integrity maintainanceResourcesEngineeringNetwork model
The embodiment of the invention provides a method for protecting the safety of a neural network model, and the method comprises the steps: obtaining a neural network model which comprises a plurality of network layers obtained through training of training data; for any first network layer, under the condition that parameters of other network layers are fixed, performing first parameter adjustment on the first network layer by using the training data to obtain a first fine adjustment model; determining a first index value of a preset performance index corresponding to the first fine tuning model, wherein the index value of the preset performance index depends on the relative size of the corresponding model, the test loss on the test data and the training loss on the training data; similarly, performing second parameter adjustment on the first network layer by using the training data and the test data to obtain a second fine adjustment model, and determining a second index value; and based on the relative size of the first index value and the second index value, determining the information sensitivity corresponding to the first network layer, and when the information sensitivity is greater than a predetermined threshold, performing security processing on the first network layer.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD

Power sensitive information adaptive security routing method for information sensitivity perception

ActiveCN114024892AReduce security risksSecure transmissionTransmissionHigh level techniquesPathPingSecure by design
The invention discloses a power sensitive information adaptive security routing method for information sensitivity perception, relates to the field of power communication network security routing, and aims to reduce security risks existing in a transmission process of sensitive data of smart grid service application. According to the technical scheme, the method is characterized by comprising the following steps of: constructing a node next-hop wave surface according to the shortest path hop count from each node to a current node; according to the node next-hop wave surface, generating a feasible next-hop node set; calculating a node priority selection probability in the feasible next-hop node set; constructing a sensitive information virtual transmission path; and constructing a physical transmission path corresponding to the virtual transmission path according to a shortest path method. According to the method, a secure transmission guarantee scheme can be specifically designed for sensitive data in different service scenes, and the security risk of the sensitive information of the intelligent power grid service in the transmission process is reduced.
Owner:STATE GRID SICHUAN ECONOMIC RES INST

Dynamic evaluation method and system for information sensitivity of smart power grid

The invention discloses a dynamic evaluation method and system for the information sensitivity of a smart power grid, and the method mainly comprises the following steps: firstly, considering the influence of a data objective information factor I, a power business operation environment C and business participant experience P on the information sensitivity of the smart power grid, and constructing a multi-dimensional measurement system for the business information sensitivity of the smart power grid; secondly, analyzing a multi-factor association mapping relationship among I, C and P, and proposing an information sensitivity dynamic measurement system under the influence of multiple factors of a power business scene; and finally, proposing a power business scene self-learning data sensitivity dynamic evaluation method, and adopting a dynamic feedback mechanism based on deep reinforcement learning to realize dynamic optimization of an information sensitivity evaluation model based on scene self-adaption. The invention has the beneficial effects that the evaluation of the information sensitivity is more universal and targeted, and the dynamic evaluation of the information sensitivity based on scene self-adaption is realized, so that the accuracy of the calculation of the information sensitivity of the intelligent power grid is improved.
Owner:STATE GRID SICHUAN ECONOMIC RES INST

Beidou Satellite-Based Oilfield Data Transmission Method and System

The present invention relates to the technical field of data transmission, and discloses an oilfield data transmission method and system based on Beidou satellites. The method includes: obtaining oilfield on-site data and data emergency levels, performing feature detection operations based on the oilfield on-site data to obtain information types corresponding to the oilfield on-site data, extracting feature values from the information types to obtain type feature values, performing deviation calculation operations on the type feature values and preset normal values to obtain deviation values, performing probability conversion operations based on the deviation values to obtain information sensitivity levels, encrypting and compressing the oilfield on-site data according to the information sensitivity levels and the data emergency levels to obtain data packets to be sent, and performing encrypted transmission on the data packets to be sent. When using Beidou satellites to transmit oilfield wellhead information, this method improves the reliability and security of data transmission, and at the same time ensures the efficiency of data transmission.
Owner:SHENZHEN ZHONGBING KANGJIA TECH CO LTD