46 results about "Event propagation" patented technology

The invention discloses an association analysis method and an association analysis system for massive logs to evaluate the current network security condition and describe the attack condition which is paid most attention currently according to the massive logs generated by an intrusion detecting device. The method comprises the following steps: acquiring the logs of the intrusion detecting device, and judging whether a large-scale network security event exists or not by calculating the distribution condition of source addresses and destination addresses of the logs of the intrusion detecting device; merging the logs of the intrusion detecting device according to the source addresses, the destination addresses and event types, and detecting and reporting abnormal addresses and hot events; counting and displaying a propagation process of the hot events in a specific time period through graphics; and associating output results, and giving comprehensive evaluation on the current network security condition. The system comprises an entropy module unit, a triple module unit, a hot event propagation display module unit, and a comprehensive association analysis module unit.

A computer hardware system for synchronization of data between a first data system and a second data system includes an event propagation processor. Both data systems are modeled as a collection of representation state transfer (REST) resources. The event propagation processor is configured to integrate data between the first and second data systems for events about data changes in the data systems. The processor includes an adaptation layer in the form of an HTTP (Hypertext Transfer Protocol) facade to represent REST resources. The adaptation layer includes a provider component configured to provide access to data resources in one of the data systems, and an initiator component configured to emit events corresponding to data changes in one of the data systems.

The invention provides an acquiring method for propagation indexes of internet public opinion events. The acquiring method comprises steps as follows: 1, inputting the public opinion events; 2, collecting related public opinion articles grabbing the public opinion events from each medium source and storing the public opinion articles in a public opinion event analysis library; 3, analyzing all the public opinion articles about the public opinion events, sorting all medium-sourced articles in the order of publishing time of the articles to form a public opinion event propagation track, and meanwhile, performing single-article propagation index calculation on each article; 4, extracting public opinion event propagation track key information by the aid of the article propagation indexes; 5, constructing a final model by use of the public opinion event propagation track key information. With the adoption of the method, a more precise model is adopted, and the development trend of the public opinion events in the whole life cycle from generation, development, outburst, peak, weakening to end can be better reflected.

A system and method are disclosed for analyzing security risks in a computer network. The system constructs asset relationships among a plurality of objects in the computer network and receives an event associated with a selected object, where the event has an event risk level. The system also propagates the event to objects related to the selected object if the event risk level exceeds a propagation threshold.

The invention discloses a network attack analysis method. Through the method, the current network attack condition can be evaluated and the attack situation deserving most attention currently can be described according to a huge amount of logs produced by an intrusion detection system. The method comprises the following steps: acquiring the logs of an intrusion detection system, and judging whether there is a large-scale network attack event by calculating the distribution of the source addresses and destination addresses of the logs of the intrusion detection system; merging the logs of the intrusion detection system according to three parameters, namely, source address, destination address and event type, and detecting and reporting abnormal addresses and hot events; making a statistical analysis of and displaying the propagation process of the hot events in a specified period of time; and associating the output results, and presenting a comprehensive evaluation of the current network attack condition. The system comprises an entropy module unit, a triple module unit, a hot event propagation display module unit, and a comprehensive association analysis module unit.

The invention discloses a social network rumor identification method based on feature aggregation, and the method comprises the steps: designing time sequence propagation mode features acceptable by adeep neural network and time sequence text features, constructing a rumor detection model by using a feature aggregation technology, and carrying out the final detection and early detection of a rumor. The problem that propagation mode characteristics of social network event propagation are difficult to serve as machine learning model input is solved, the propagation mode characteristics do not depend on characteristic engineering and field knowledge, the influence of various factors in the actual propagation process is comprehensively embodied, and the method can be effectively applied to different rumor identification scenes; The defect that the quality of feature data is reduced due to huge difference of the number of messages contained in different samples is avoided, the problem thata single model is difficult to deal with heterogeneous information in a traditional machine learning method is solved, and compared with an existing rumor identification method, the accuracy is obviously improved.

The invention provides a method for transferring data between modules of a flex application program, which comprises the steps of utilizing an event propagation mechanism of the flex to encapsulate the data into a customized event, and then transferring the event carrying the data from a source module to a target module and separating the data which is contained in the event from the target module for the target module to use, thereby achieving the purpose of transferring the data between the modules. The method has simple operation and easy maintenance, and eliminates the dependence between the modules. Because the event propagation mechanism of the flex is utilized by the method, the data transferring efficiency is high, and errors do not easily occur.

The invention provides a data analysis method and apparatus. The data analysis method comprises the steps of collecting multi-channel original public sentiment events; according to a set data cleansing rule, cleansing the multi-channel original public sentiment events to generate to-be-clustered information; performing classification polymerization processing on the to-be-clustered information to generate a public sentiment event analysis result; generating the public sentiment event analysis result into graph data; and showing the graph data according to requirement of a user. By adoption of the data analysis method and apparatus disclosed by the invention, the polymerization efficiency of effective public sentiment events is greatly improved, and the problem of more abundant information and single analysis channel in the conventional public sentiment event analysis method is solved; in addition, the invention also provides a public sentiment event service for realizing all-around showing of the development process and trend of the public sentiment events to form a complete public sentiment event propagation path, so that a more accurate and more all-around public sentiment event analysis result is provided for the user; and therefore, social situation can be mastered in time, hidden dangers can be found, hidden risks can be recognized, and forceful data support is provided.

The invention discloses a key node selection method in network public opinion information propagation. The method comprises the following steps: 1) collecting public opinion event propagation flow data under a specific theme from a real social network; 2) modeling the propagation process of the single microblog message by adopting an infectious disease model and accurately estimating the propagation influence of the single microblog message; 3) in order to solve the problem of high algorithm time complexity due to excessive users, reducing the number of seeds by adopting a heuristic method from the perspective of network structure characteristics, introducing the concept of isolation efficiency, and selecting a node with the highest isolation efficiency in each simulation process by adopting a greedy algorithm to add into a key node set; 4) solving the problem of simulation randomness by adopting a depth-first algorithm in directed graph search, and obtaining a group of key node sets in an information propagation process. according to the invention, the structural characteristics of a network and dynamic characteristics of information propagation are comprehensively considered in akey node selection process in network public opinion information propagation, so the method is more suitable for an actual application scene.

The invention discloses a Weibo event information propagation continuous dynamic prediction method, and belongs to the data mining field. The method comprises the following steps: aiming at Sina Weibo, attempting to predict the weibo total quantity of the next phase on the basis of currently given propagation information; hourly dividing event propagation, using the propagation characteristics inthe time period from the event generation to the current moment to predict the event weibo propagation total quantity in the next hour according to a GBDT model, wherein the weibo propagation characteristics include weibo quantity, participation numbers and weibo emotions. The optimal time period length and weibo characteristics are combined in the prediction model, and selected through comprehensively considering each characteristic contribution degree and correlation, thus effectively improving the model prediction precision, enabling the average model precision to exceed 70%, reducing computing complexity, avoiding useless computing, and effectively supporting early warning and intervention measures aiming at the event.

The invention discloses a user mining method and device in an event propagation process, which can be used for mining important users during a hot event propagation process. The method includes: configuring an aimed hot event; establishing a keyword associated with the hot event according to the hot event; crawling information data including the keyword from a webpage information database according to the keyword; and saving the crawled information data in a local database corresponding to the hot event. In this way, the local database can be established from the webpage information database according to the hot event, the local database can establish a directed forward network, and an undirected forward network can be obtained through undirected treatment of the network; and the established undirected forward network is selected according to a certain hot event, and then the important users of hot event propagation can be determined through an importance sequence of nodes.

The invention discloses a propagation influence evaluation method for comprehensively calculating events, which comprises the following steps of: S1, event data acquisition: firstly, acquiring data related to a specific event in a social media website by using the website of social media and taking a keyword of the specific event as query content, and counting the acquired related data; the invention relates to the technical field of internet propagation. According to the propagation influence evaluation method for the comprehensive calculation event, the user data of which the like number andthe forwarding number exceed the threshold values are independently classified, the event data of which the historical like number and the historical forwarding number are calculated by utilizing theuser data of which the like number and the forwarding number exceed the threshold values, and statistical post-evaluation is carried out in cooperation with the user data; according to the method, malicious assessed user data can be effectively eliminated, the spreading influence of the event can be assessed by comprehensively calculating the event, the basis and reference of hotspot event assessment are provided, and the accuracy of the assessment method for comprehensively calculating the spreading influence of the event is greatly improved.

A method for reconciling a source data graph with a target data graph, the source graph and the target graph each comprising: and a interconnections, the interconnections each connecting two vertices from and representing a relationship between the connected vertices. The method comprises: generating target event propagation information representing the propagation pattern of executions of each of a set of processing events in the target graph; receiving a request to reconcile the source and graph, and in response to the request, triggering the executions of each of the set in the source graph; generating source event propagation information representing the pattern of each of the executions triggered in the source graph; and using the target event propagation information and the source event propagation information to assess the similarity of pairs of vertices comprising one vertex from each of the source graph and the target graph.

The invention relates to an internet public opinion event automatic early warning system based on event propagation characteristics, which comprises a data acquisition module, a data preprocessing module, an event forming module, a characteristic capturing module and a decision making module which are connected in sequence, the data acquisition module obtains news message data of all media platforms of the whole network through a crawler system, carries out primary processing and outputs a basic data result to the data preprocessing module, and the data preprocessing module cleans disordered data in various formats from the whole network. The event forming module obtains information from the data preprocessing module, carries out event forming processing, carries out feature collection on a formed event and outputs features describing event attributes to the decision making module; and the decision-making module carries out decision-making processing according to the characteristics describing the event attributes and finds the most suitable decision-making module parameters through multiple experiments, so that the automatic public opinion event early warning function is completed in real time with the maximum accuracy.

The invention discloses an asynchronous Byzantine consensus method and system based on DAG, and the method comprises the steps: assigning N nodes which are used for forming a participation consensus in an asynchronous network, selecting other nodes for propagation according to a weight probability for a baseline event created by a source node, and in the event propagation process, each node generating a DAG locally based on the propagated event and the communication process; n nodes participating in consensus performing voting submission: each node divides a local DAG into different rounds, by taking visibility and strong visibility of witness events in continuous rounds as a voting basis, well-known witnesses are determined, if all or most of well-known witnesses are visible to baseline events, the current baseline event reaches a final confirmation state, and the state is submitted to a chain. The method has the advantages of high expandability, high security, high decentration degree and the like, and can effectively reduce the network communication overhead, improve the expandability of the existing algorithm, improve the system throughput and reduce the confirmation delay.

The invention discloses a network attack analysis system, which comprises an entropy module unit, a triple module unit, a hot event propagation display module unit and a comprehensive association analysis module unit, wherein the entropy module unit reads logs of an intrusion detection system, computes entropy distribution values of source addresses and destination addresses, judges whether a large-scale network security event exists or not and outputs a judging result to the comprehensive association analysis module unit; and the triple module unit reads the logs of the intrusion detection system, merges the logs of the intrusion detection system, and detects and reports abnormal addresses or hot events. According to the analysis system disclosed by the invention, through computing the entropy distribution values of the source addresses and the destination addresses of the logs of the intrusion detection system, the large-scale network security event capable of causing the abnormal address distribution, such as network scanning and distributed denial of service attacks, can be detected.

The invention provides a simulation method, device and equipment for network event propagation, and relates to the technical field of computers, and the method comprises the steps: obtaining a networkevent and the attribute of the network event; Wherein the attributes at least comprise one of the following attributes: time, type or theme; Obtaining the node attribute of the current node, and calculating emotion attitude information according to the attribute and the node attribute of the network event and the historical emotion attitude information of the previous node; Determining emotionalbias information of the current node to the network event according to the emotional attitude information; Wherein the emotion deviation information is any one of the following information: support, anti-alignment or neutrality; If the emotion deviation information is supported or inversely aligned, the network event is propagated to an adjacent node; And if the emotion deviation information is neutral, ending the propagation of the network event at the current node. According to the method, the emotional attitude information is calculated, so that the accuracy of information propagation process simulation is improved, and the method is more suitable for practical application.

The invention discloses a method and a device for monitoring a kol account and a storage medium. The method comprises: determining a kol user needing to be monitored, and the kol user being an authoritative user of each industry; acquiring forwarding information of the kol user, wherein the forwarding information comprises a forwarding path and forwarding data; and monitoring the kol user according to the forwarding path and the forwarding data. The technical problems that in the prior art, a means for monitoring propagation of a kol user is lacked, the event propagation effect pre-judging capacity is affected, and then public opinion events cannot be found in time are solved.