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299 results about "Complex event processing" patented technology

Event processing is a method of tracking and analyzing (processing) streams of information (data) about things that happen (events), and deriving a conclusion from them. Complex event processing, or CEP, consists of a set of concepts and techniques developed in the early 1990's for processing real-time events and extracting information from event streams as they arrive. The goal of complex event processing is to identify meaningful events (such as opportunities or threats) in real-time situations and respond to them as quickly as possible.

System for providing services of event-driven service-oriented internet of things and working method thereof

The invention provides a system for providing services of an event-driven service-oriented internet of things and a working method of the system. The system is composed of a plurality of parts of an internet of things service system, an access agent, a unified message distribution network based on a publish-subscribe mechanism, a complex event processing engine, a resource descriptive model base and a sensor system. The system and the working method solve the problems that an existing system for providing the services of the internet of things can not process large-scale sensing information in a distributed mode, events in a physical world can not be processed, effective cross-business-domain and cross-organization coordination is difficult to achieve by different enterprise business processes. According to the system, sensing information is effectively distributed in the open and distributed computing environment, various pieces of sensing information can be conveniently and quickly distributed as required among different internet of things heterogeneous service systems, event-driven cross-business-domain and cross-organization service dynamic coordination is achieved, time, space and control flow uncoupled network services are provided, and quick response to change of the physical world can be flexibly and dynamically achieved in real time.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Real-time security early warning method based on complex event processing

The invention discloses a real-time security early warning method based on complex event processing. The method specifically comprises the following steps: step (1), using a formalized engine to perform log field segmentation on collected security data, performing normalization on fields according to field requirements, and associating knowledge base information according to the fields that are expected to be outputted; step (2), using a data flow semantic analysis engine to perform data context analysis according to a complex event instance to be modeled as a scene, and analyzing mapping stream data based on a standardized analysis field template; and step (3), using a security analysis model calculation engine, in an analysis rule calculation module, analyzing according to scenes based on a point event, an edge event and an interval event, and generating an early warning event. The real-time security early warning method based on the complex event processing provided by the invention realizes the multi-angle association analysis of original log data through a configurable normalization rule, a semantic recognition rule and a security analysis rule, and discovers unknown threats and carries out early warning timely.
Owner:STATE GRID CORP OF CHINA +3
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