Research Article

Network Public Opinion Monitoring System for Agriculture Products Based on Big Data

Table 3

Information extraction example.

ContentWith the large number of farmed freshwater fish on the market, the price of Shouguang freshwater fish in Shouguang City, Weifang City, and Shandong Province has dropped overall; among them, the price of carp has fallen sharply; in late August, the price has dropped from 25 yuan per kilogram to 18 yuan per kilogram, a 30% drop; the prices of crucian carp and silver carp also dropped slightly; according to the analysis of professionals, the main reasons for the decline in the price of freshwater fish are as follows: one is the excessively high prices of local freshwater fish in the early stage, and the other is that a large number of freshwater fish farmed in ponds have recently been put on the market; although the price of freshwater fish has dropped overall, it is still generally higher than the same period last year; as the Mid-Autumn Festival approaches, freshwater fish such as carp, grass carp, and silver carp may also experience price increases (source: Shouguang City, Ocean and Fishery Bureau, author: Nongbo Network)

Key wordsPrice, Freshwater fish, Shouguang City, Silver carp, Carp, Down, Whole, last year, The same period, Author, Pond, Price, Down, Moon Festival, Bureau of Fisheries, Source, Drop by, Approaching, Rise, Appear, analysis.

Key phraseThe price of freshwater fish

SummaryDespite the overall decline in freshwater fish prices, they are still generally higher than the same period last year; as the Mid-Autumn Festival approaches, the prices of carp, grass carp, silver carp, and other freshwater fish may also rise; Shouguang freshwater fish prices fell overall