Remote supervision event extraction method and application thereof

A technology of event extraction and remote supervision, applied in special data processing applications, semantic analysis, instruments, etc., can solve problems such as difficulty in obtaining extraction results, unrealistic manual labeling, etc., to achieve accurate and efficient event extraction, high automation, and improved The effect of work efficiency

Active Publication Date: 2020-12-08
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the current event extraction technologies focus on the extraction of sentences, but in script information, an event is often distributed in a large chapter instead of a single sentence, so it is difficult to obtain ideal extraction through sentence extraction technology Effect
In addition, there is no event extraction data set for scripts in the existing technology, and a script has tens of thousands of words, and it is not realistic to manually label it

Method used

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  • Remote supervision event extraction method and application thereof
  • Remote supervision event extraction method and application thereof
  • Remote supervision event extraction method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0117] Embodiment 1 carries out event extraction to movie script

[0118] It includes:

[0119] Carry out the manual definition of possible types and a small number of events under a certain movie script, such as defining a possible type i of the script as "action", defining an event j under the type of "action" as "attack", and constructing one Group Core Trigger Words TW j is {hit, shoot, hit, bump, kick, kick}, where the trigger word "kick" has a score of 0.9 for the event "attack" under the "action" type.

[0120] Set the trigger weight ω of the event "Attack" under the movie type "Action" i，j =1.

[0121] Import the trained Word2vec model, the TW j All the words in are converted to word vectors, and the maximum pooling is performed on all word vectors to obtain the word kernel vector c of event type j j .

[0122] Calculate the word vector and word kernel vector c of all words obtained from the vocabulary of Word2vec j The cosine distance between . For example, th...

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PUM

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Abstract

The invention discloses a remote supervision event extraction method and an application thereof. The extraction method comprises the steps of constructing a trigger word forest of to-be-extracted information; constructing a knowledge base of the to-be-extracted information; constructing an event data set of the to-be-extracted information; and performing event extraction through a neural network model. The extraction method disclosed by the invention can be used for accurately and efficiently extracting discretized, fragmented and/or event information which cannot be directly extracted from sentences, and is particularly suitable for event extraction of script information.

Description

technical field [0001] The present invention relates to the technical field of event extraction methods. Background technique [0002] As a complete written form of dramatic art creation such as movies, scripts are written records of drama plots and events, and contain a lot of information, but these information are usually discrete and fragmented, making it difficult to extract information efficiently. If you can successfully extract information from the script, you can get concentrated and structured information, help the staff to make a quick and further understanding of the drama, and can also play an important role in related drama applications such as automated evaluation. . [0003] In information extraction, event extraction is an important part of it, while drama is composed of plots, and the finer-grained division of plots is events, so event extraction for scripts is an important part of realizing script information extraction. [0004] Most of the current event...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F40/211G06F40/284G06F40/30G06F16/33G06F16/35
CPCG06F40/211G06F40/284G06F40/30G06F16/3344G06F16/35
Inventor 许伟川张伟文王德培
Owner GUANGDONG UNIV OF TECH
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