Method for immediately tracking random event evolution based on Internet mass information

A random event and massive information technology, applied in the field of information processing, can solve the problems of low tracking accuracy of non-deterministic event evolution, difficulty in event identification, and low timeliness of tracking, so as to improve timeliness, improve topicality, and realize dynamic The effect of refactoring

Inactive Publication Date: 2013-02-13
BEIHANG UNIV
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Problems solved by technology

[0007] The present invention aims at the existing problems such as the difficulty in event identification caused by information lag, the low accuracy of non-deterministic event evolutio

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  • Method for immediately tracking random event evolution based on Internet mass information
  • Method for immediately tracking random event evolution based on Internet mass information
  • Method for immediately tracking random event evolution based on Internet mass information

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Embodiment Construction

[0023] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.

[0024] The method of the invention forms the initial space vector of the event with the basic feature elements. In the tracking process, based on the initial space, the entropy value of Internet incremental information is calculated and counted, and this entropy value is used as the driving force for event evolution, and the evolutionary algorithm is used to determine the growth and structural changes of the event space feature vector. During the evolution process, the critical state of event splitting is determined according to the comparison of vector growth in event space. When the spatial structure deformity reaches a certain state, the comparison of incremental information entropy value statistics and event critical space vector is used to realize the stable cracking of new event space, and to realize the identification and tracking of derivative...

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Abstract

The invention provides a method for immediately tracking random event evolution based on Internet mass information. According to the method, an initial spatial vector of an event is constructed by using basic characteristic elements, in the tracking process, entropy values of frequently-used words of Internet increment information are computed and counted on the basis of the initial spatial vector, the growth and structural change of the initial spatial vector of the event are determined by taking the entropy values as event evolution power, and the stable fission of new event space is realized by the entropy value comparison of an increment information vector and an event critical space vector, so that the identification and tracking of a derivative/secondary event are realized. By the method, the entropy values of the increment information are taken as the power of the event evolution, so that the requirements of work such as tracking, pre-warning/predicting emergency events and random events can be effectively met; and meanwhile, the method is high in topicality, reliability and expandability, and the common phenomenon that the load of computational nodes and a network is heavy in a mass information processing activity is avoided.

Description

technical field [0001] The invention belongs to the field of information processing, and relates to an information extraction method, in particular to an instant tracking method for random event evolution based on Internet mass information, which realizes rapid extraction, analysis, and judgment of mass data. Background technique [0002] In recent years, many researchers have carried out in-depth research on the event evolution tracking method based on Internet text processing. Research on topic discovery and tracking technology is a hot spot in this field. On the one hand, topic research based on TDT (Topic Detection and Tracking) corpus is still going on, and on the other hand, topic research under the background of new applications has also been actively carried out. Literature Topic organization and discovery problems in ordinary web pages and web search results are discussed respectively. With the development and deepening of TDT research, some new research trends hav...

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Application Information

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IPC IPC(8): G06F17/30
Inventor 郭皓明武群惠张秀红刘允桢刘海梁峰
Owner BEIHANG UNIV
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