Event evolution relationship analysis method and device

A technology of event evolution relationship and analysis method, which is applied in the field of event evolution relationship analysis method and device, and can solve the problems that cannot reflect the semantic correlation of events and cannot reflect the offset degree of event time, etc.

Active Publication Date: 2020-07-24
TSINGHUA UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Existing analysis methods only describe the static relationship within the event, and cannot reflect the degree of deviat...

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  • Event evolution relationship analysis method and device
  • Event evolution relationship analysis method and device
  • Event evolution relationship analysis method and device

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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] For ease of understanding, related concepts that may be involved in this embodiment and subsequent embodiments are first explained here. The present invention provides the definition of related concepts of event evolution, and formally describes the problem of event evolution:

[0023] An event is defined as something involving certai...

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Abstract

The embodiment of the invention provides an event evolution relationship analysis method and device, and the method comprises the steps: respectively carrying out the extraction of event elements of two inputted events, and generating respective event element sets of the two events; and based on the event element set, obtaining evolution characteristics used for analyzing an evolution relationshipbetween the two events, calculating a deviation degree of each evolution characteristic along with time change, and obtaining an evolution relationship analysis result of the two events. According tothe event evolution relationship analysis method and device, the evolution relationship of the event is analyzed by using event elements such as entities and keywords of the news event, the dynamic relation between the events is obtained, the problem that an existing analysis method only describes the static relation in the events is solved, a user can rapidly master global information and evolved veins of the events, and the method has important significance in judgment of the development trend of the events.

Description

technical field [0001] Embodiments of the present invention relate to the field of computer technology, and more specifically, to a method and device for analyzing event evolution relationship. Background technique [0002] Event evolution analysis is mainly based on the analysis of news reports within the event to find out the development context of the event and describe the development and evolution trend of the event. News events develop dynamically, and the gist of news events will shift over time. News analysis cannot isolate events and only focus on a certain event, but should pay attention to the overall development of the event. If news documents are only organized according to events, the dynamic relationship between news events cannot be reflected. For example, when the "Wenchuan Earthquake" occurred, the main focus was on the earthquake and casualties, and as time went by, the main focus was on the rescue situation and the living conditions of the people, and t...

Claims

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Application Information

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IPC IPC(8): G06F16/36G06F16/28
Inventor 李涓子张斌侯磊张鹏
Owner TSINGHUA UNIV
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