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Heterogeneous Data Normalization and Integration of Network Security Situational Awareness

Author: SunMingShuai
Tutor: WangHuiQiang
School: Harbin Engineering University
Course: Applied Computer Technology
Keywords: Network security situational awareness Naive Bayes Heterogeneous data Data normalization Data Integration
CLC: TP393.08
Type: Master's thesis
Year: 2010
Downloads: 24
Quote: 0
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Abstract


From the military sector, the concept of situational awareness in spaceflight are widely used for the assessment of the situation in the research, military battlefield, nuclear reactor control and medical scheduling. Situational awareness of network security situational awareness technology a network application. Network security situational awareness (Network Security Situational Awareness, NSSA) from macro-level look at the overall network security and the form of status, the real-time flow of data through the network, flow waveform diagram, key quantitative indicators, terminal node log information and sensor service data on the status of the network system analysis to make a timely assessment of existing or potential threats and abnormal. Existing relational data model as a global data model lack of scalability, and integration efficiency is low. XML for integration of heterogeneous data sources provides a simple and effective way, it has nothing to do with the platform and language, flexibility self descriptive data exchange capabilities, and scalability advantages, makes XML ideal with different data types combined treatment. Thesis data normalization process, the perception module with the XML to a different data type conversion unified XML document format, and thus achieve the standardization of heterogeneous data through XML. Data integration process, the use of the the upper weights based on the naive Bayes classification bearer of the integration of heterogeneous data XML document, its goal is to provide situational awareness sensor, that is more high-level applications to provide users with a unified format data. The main problem to be solved in the heterogeneous data standardization and integration process: heterogeneous data sources, data semantic conflicts and look for more efficient integration methods. The paper combines the actual project, focusing on the establishment of the standard model of situational information matches the establishment of the relationship between the heterogeneous data sources with the standard model, dynamically generated XML document integration work study. After verification shows that the different sensor data normalization and sensor integration of heterogeneous data sources to complete. Integrated data submitted to the upper user upper user can fully understand the meaning of the data submitted, completed the goal, to meet the requirements of the project, a guiding role for heterogeneous data standardization and integration work.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer Network Security
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