Power public opinion predicting method and device supporting risk assessment

Abstract

The invention discloses a power public opinion predicting method and device supporting risk assessment. The method comprises the steps that a universal resource locator URL, a website name and a search keyword of a website to be crawled are received, and the search keyword are expanded and updated; webpage crawling is carried out, and the webpage content is extracted from the crawled webpage; thewebpage link and the link anchor text are extracted; a pheromone-based webpage link selection method queues the priority of the webpage link, and a next webpage link is accessed according to the priority queue; the webpage contents of all webpages to be analyzed are acquired; according to the lexicon and word group of a dictionary, webpage content word segmentation is carried out; key words are extracted; the same key words are removed from the webpages; the corresponding key word popularity is provided according to the repetition degree of the key words among the webpages; based on an optimized BP neural network algorithm, a power service public opinion risk assessment model is built to realize public opinion risk assessment; and the result is pushed to a client to complete power information public opinion monitoring.

Description

technical field [0001] The invention relates to the technical field of intelligent power utilization, in particular to a method and device for predicting electric power public opinion supporting risk assessment. Background technique [0002] With the overall acceleration of the new electricity reform and the gradual liberalization of the electricity sales side, grid companies have received extensive attention from the public and the media in matters such as management, peer competition, and handling of external affairs. In particular, power grid enterprises are currently in a period of rapid development of smart grids, and their development and management methods are in a transition period. The transformation measures are "sensitive", and they are easily focused by the media or the public and become a hot spot for attack. In addition, the public opinion risks of power grid enterprises cover a wide range, such as electricity supply and consumption monitoring, industrial servi...

AI Technical Summary

Problems solved by technology

In addition, the public opinion risks of power grid enterprises cover a wide range, such as electricity supply and consumption monitoring, industrial services, commercial services, resident services, fault response, internal stability of enterprises, etc., while power users and power grid enterprises have little communication with each other, and most of them are relatively positive. The news gets less attention, and the public opinion with a little bit of negative news follows suit, which can easily cause misunderstandings, such as: third-party construction or man-made theft damages the transmission line and causes power outages; residents repeatedly resist the construction of transmission line corridors and substations; The problems left over from the reform of the system, etc., are likely to attract the attention and hype of all sectors of society and the public.

[0003] As of December 2015, the number of Chinese netizens has reached 688 million, and the Internet penetration rate has reached 50.3%. Half of the Chinese people have access to t

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